CAS No.531-91-9 N,N'-Diphenylbenzidine Manufacturer/High quality/Best price/In stock

Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by sea or by air Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff. 

Min. Order:1Kilogram

Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [ China (Mainland)]

Assessed
Supplier

Tel:+86-571-88938639

Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99% Appearance:White or off-white Solid Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:OLED Intermediate 

Min. Order:1Metric Ton

Supplier:Henan Allgreen Chemical Co.,Ltd [ China (Mainland)]

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Tel:+86-0371-87507775

Address:No 260 Dongming Road,Jinshui District

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99%min Appearance:White Powder Package:1KG/Bag or Bottle,25KG per Box or Drum ,180KG,213KG Drum or Customized Storage:Store in dry, dark and ventilated place and keep sealed when not in use . Transportation:By DHL /Fedex /TNT /EMS /Air /Sea etc. Application:As Pharmaceutical Intermediates 

Min. Order:1Gram

Supplier:Shanghai Siwei Chemical Co., Ltd [ China (Mainland)]

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CAS No.531-91-9 N,N'-Diphenylbenzidine 99% high purity CAS NO. 531-91-9

Assay:99% Appearance:White powder Package:25kg/bag 50kg/bag Storage:Sealed in dark dry place Transportation:By?Sea or by Air(DHL/UPS/TNT/FEDEX/EMS) Application:Used as organic synthesis 

Min. Order:25Kilogram

Supplier:Xi'an SENYI New Material Technology Co., Ltd [ China (Mainland)]

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CAS No.531-91-9 N,N'-Diphenylbenzidine CAS No:531-91-9

Assay:99% Appearance:White solid  Package:25kg/drum Storage:keep in cool and dry place Transportation:by sea  Application:Used as a reagent for testing vanadium, zinc, and nitrite, and a redox indicator. Suitable for redox titration, such as dichromate or cerium sulfate. 

Min. Order:1Kilogram

Supplier:HUBEI RISON CHEMICAL CO.,LTD. [ China (Mainland)]

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CAS No.531-91-9 made in China N,N-Diphenylbenzidine

Assay:99% Appearance:off-white powder  Package:100g/bottle; 500g/bottle 1 kg/bottle;25 kg/Drums or according to customer requirements Storage:Keep container tightly closed in a dry and well-ventilated place. Transportation:By Courier or Air and Sea Application: pharmaceutical and research 

Min. Order:100Gram

Supplier:Puyang Huicheng Electronic Material Co., Ltd [ China (Mainland)]

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Supplier

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CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99% Appearance:White fine powder Package:according to the clients requirement Storage:Store in dry dark and ventilated place Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:It is an important raw material. 

Min. Order:0

Supplier:Shandong Hanjiang Chemical Co., Ltd. [ China (Mainland)]

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Address:95A, Xingyuan East Road, Zhangdian District

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99.00% Application:Organic intermediates 

Min. Order:100Gram

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Supplier

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CAS No.531-91-9 N,N'-Diphenylbenzidine/high quality/best price

Assay:99% Appearance:White crystalline powder Package:25kg/paper drum or basis user request Storage:Store in dry, dark and ventilated place Transportation:EMS銆乀NT銆丏HL銆乁PS銆丗EDEX銆丼F銆乄uhan Port銆丼hanghai Port銆乀ianjin Port銆丟uangzhou Port  Application:Pharmaceutical Intermediates  

Min. Order:10Kilogram

Supplier:Hubei Jusheng Technology Co., Ltd., [ China (Mainland)]

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Supplier

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CAS No.531-91-9 Top grade N,N'-Diphenylbenzidine cas 531-91-9

Assay:99.9%min Appearance:White powder Package:in foil bag or customized Storage:Sealed,light and oxygen resistant Transportation:shipping锛孡and transportation锛孉ir freight Application:Pharmaceutical intermediates/Food additive 

Min. Order:1Metric Ton

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CAS No.531-91-9 N,N'-diphenylbenzidine

Assay:99% Appearance:detailed see specifications Package:100g/bag,1kg/bag,25kg/drum,according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by air or by ocean shipping Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals 

Min. Order:1Gram

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Supplier

Tel:0086-571-86976032

Address:Kangkang Gu 1010, Chun xiao road 61,Binjiang District 310052,Hangzhou city , China

CAS No.531-91-9 N,N'-Diphenylbenzidine Manufacturer/High quality/Best price/In stock

Assay:99% Appearance:White or off-white Solid Package:According to the customer's requestment Storage:Store in dry, dark and ventilated plac... Transportation:By air, sea and express Application:OLED Intermediate 

Min. Order:1Kilogram

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CAS No.531-91-9 N,N'-Diphenylbenzidine 531-91-9

Assay:98%,99% Appearance:Powder Package:100g/pack,1kg/pack,25kg/drum Storage:Storage in a dry, ventilated place under normal temperature Transportation:By Air,EMS,FEDEX,UPS and Special Line Application:Used in Pharmaceutical, health food, cosmetics industry 

Min. Order:1Kilogram

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CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:98% Appearance:pale white powder Package:according to the clients requirement Storage:Store in dry, dark and ventilated place Transportation:as per your request Application: OLED intermediate 

Min. Order:1Kilogram

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Min. Order:2Kilogram

Supplier:Career Henan Chemical Co [ China (Mainland)]

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Supplier

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CAS No.531-91-9 TIANFUCHEM--High purity N,N'-Diphenylbenzidine factory price

Assay:99.5% Min  Appearance:white powder Package:normal packing Storage:stored in a cool, dry and ventilated place Transportation:Shipped as Dangerous powder by Sea . Application:Raw materils for OLED ,Pharmaceutical intermediates  

Min. Order:100Metric Ton

Supplier:Henan Tianfu Chemical Co., Ltd. [ China (Mainland)]

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Supplier

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Address:Zhengzhou International Trade New Territory,Jinshui District,Zhengzhou ,China

CAS No.531-91-9 N,N'-Diphenylbenzidine CAS 531-91-9

Assay:98% Appearance:White crystal powder Package:25kgs/drum Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate 

Min. Order:1Metric Ton

Supplier:Antimex Chemical Limied [ China (Mainland)]

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Supplier

Tel:0086-21-50563169

Address:Room1027,No.Jinyu Road,Pudong

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:98%min Appearance:white or light yellow crystalline powder Package:As customer request Storage:Store in a cool,dry place and keep away from direct strong light Transportation:By Sea/Air/Courier Application:Used for research and industrial manufacture. 

Min. Order:100Gram

Supplier:Triumph International Development Limilted [ China (Mainland)]

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Supplier

Tel:+86-536-7971999

Address:Yinhai Road,Shouguang

CAS No.531-91-9 Top quality best price N,N'-Diphenylbenzidine 531-91-9 global trader

Assay:98.0%min. Appearance:White crystalline powder Package:25kg/fibre drum Storage:Store in dry and cool place with good seal Transportation:by courier,by Air,by Sea ... Application:by courier,by Air,by Sea ... 

Min. Order:10Gram

Supplier:Wuhan Kemi-Works Chemical Co., Ltd [ China (Mainland)]

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Supplier

Tel:86-27-85736489

Address:Rm. 1503, No. 164, Jianghan North Rd., Wuhan, 430022 China

CAS No.531-91-9 N4,N4'-diphenyl-[1,1'-Biphenyl]-4,4'-diamine

Assay:99% Appearance:white powder Package:aluminous bag Storage:Shading, sealed, dry place. Transportation:SEA OR AIR Application:API 

Min. Order:1Gram

Supplier:Zhejiang J&C Biological Technology Co.,Limited [ China (Mainland)]

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Supplier

Tel:0570-4045877

Address:46# zhongshan road, quzhou zhejiang

CAS No.531-91-9 Factory Supply N,N-Diphenylbenzidine

Assay:99.9% Appearance:Refer to COA Package:drum Storage:keep in cool and dry place Transportation:by sea or by air Application:Intermediates and materials 

Min. Order:1

Supplier:Ality Chemical Corporation [ China (Mainland)]

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Supplier

Tel:0513-87616220

Address:Fine chemical industry park, Nantong,Jiangsu

CAS No.531-91-9 BLOOM TECH Advanced API/Technology support N4,N4'-Diphenyl-[1,1'-biphenyl]-4,4'-diamine CAS 531-91-9

Assay:Enterprise standard Appearance:Enterprise standard Package:Enterprise standard or as your request Storage:2-8 degree is better Transportation:1.Express(FEDEX,DHL,UPS,TNT,EMS etc.) 2.Air transport(Air freighter), including customs clearance service, professional service of Dangerous Chemicals Goods. 3.By sea/land/train etc.(e.g CN-RU) Application:Active pharmaceutical ingredient(API), for science researching 

Min. Order:1Gram

Supplier:Shaanxi BLOOM TECH Co.,Ltd [ China (Mainland)]

Assessed
Supplier

Tel:+86-29-86470566

Address:Block A of Central Mansion, No.113 of Weiyang Rd, ETDZ, Xi'an, Shaanxi 710016, China

CAS No.531-91-9 Featured products N,N'-Diphenylbenzidine

Assay:98% Appearance:Off-white to white powder Package:according to the clients requirement Storage:Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Transportation:by sea or by air Application:intermediate 

Min. Order:100Gram

Supplier:Chemlyte Solutions [ China (Mainland)]

Assessed
Supplier

Tel:+86-189 8945 5137

Address:Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000

CAS No.531-91-9 High quality N,N-Diphenylbenzidine supplier in China

Assay:99% Appearance:white-off powder or granule ( referto COA) Package:25kgs/fiber drum Storage:Keep in a cool & dry place Transportation:by sea or by air Application:Organic intermediates 

Min. Order:0Metric Ton

Supplier:Simagchem Corporation [ China (Mainland)]

Assessed
Supplier

Tel:+86-592-2680277

Address:21/F Hualong Office Building,No.6 Hubin East Road, Xiamen,China

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:98% Appearance:Powder Package:As required Storage:keep sealed and keep from direct light Transportation:By Sea/Air/FedEx Application:Scientific research 

Min. Order:1Gram

Supplier:Shanghai BetterBioChem Co., Ltd. [ China (Mainland)]

Assessed
Supplier

Tel:+86-18013506594

Address:No. 8 Building, 18 nong, Xi Yingnan Road, Pudong, Shanghai,China

CAS No.531-91-9 N,N'-Diphenylbenzidine-

Assay:99% min  Appearance:GREY TO BROWNISH FINE CRYSTALLINE POWDER Package:25kg/drum, with inner PE bag; or as per your request. Storage:Stored in cool, dry and ventilation place; Away from fire and heat Transportation:BY AIR Application:Used as Pharmaceutical Intermediates 

Min. Order:10Kilogram

Supplier:HANGZHOU YUNUO CHEMICAL CO.,LTD [ China (Mainland)]

Assessed
Supplier

Tel:0571-83715115

Address:hangzhou

CAS No.531-91-9 N,N'-Diphenylbenzidine supplier

Assay:99% Appearance:Off white powder Package:According to client's requirements Storage:keep sealed and keep from direct light Transportation:by sea/by air/by express Application:OLED intermediate 

Min. Order:1Gram

Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [ China (Mainland)]

Assessed
Supplier

Tel:+86-571-82512721

Address:No 317,Jingling Road,Guali Town,Xiaoshan District

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:95%, 99% Appearance:Look at the detailed information Package:according to the clients requirement Storage:According to the characteristics of the corresponding storage Transportation:by sea or air Application:intermediates 

Min. Order:100Gram

Supplier:JINHUA HUAYI CHEMICAL CO., LTD. [ China (Mainland)]

Assessed
Supplier

Tel:86-579-82660891

Address:47-204 No.288, Shida St., Wuchem Dist., Jinhua,Zhejiang, 321004 China

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99% Haccp,,Halal,SC US FDA GMP ISO14001 Appearance:As per Certificate of analysis and our TDS, MSDS Package:Export standard and according to the clients requirement Storage:Store in dry, dark and ventilated place;ISO / Kosher /GMP licence commercial bulk capacity factory in China Transportation:By AIR or by SEA GMP licence / US-FDA,South Korea-KFDA Application:It is an important raw material and intermediate for chemical industry. 

Min. Order:0

Supplier:Chemwill Asia Co., Ltd. [ China (Mainland)]

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Supplier

Tel:021-51086038

Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:>99% Appearance:White solid Package:1kg/Aluminum foil package, 25Kg/Drum Storage:Normal temperature Transportation:FEDEX,DHL,EMS,Special line guarantee delivery Application:pharmaceutical intermediates 

Min. Order:0

Supplier:shanghai Longyu biotechnology Co.,Ltd [ China (Mainland)]

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Supplier

Tel:86-15821988213

Address:Dalian Rd 950th

CAS No.531-91-9 High Quality 99% 531-91-9 N,N-Diphenylbenzidine Manufacturer

Assay:99.0%min Appearance:Powder Package:25kgs/Drum or according to clients requirement Storage:Sealed dry storage Transportation:Transportation by express, air, sea Application:Synthetic intermediates, OLED intermediates 

Min. Order:0

Supplier:Xi'an Xszo Chem Co., Ltd. [ China (Mainland)]

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Supplier

Tel:+86-029-88698540

Address:No.16,Jingqin Rd. JingWei Industrial park,Shaanxi,China,710200

CAS No.531-91-9 High Purity N,N-Diphenylbenzidine

Assay:99% Appearance:white-off solid or colorless liquid ( referto COA) Package:805kgs/fiber drum Storage:Keep undercool, dry and well ventilated warehouses, guard against fire Transportation:by sea or by air Application:Organic intermediates 

Min. Order:1Kilogram

Supplier:Xiamen BaiFuchem Co.,Ltd [ China (Mainland)]

Assessed
Supplier

Tel:+86 592 605 6448

Address:No.31 Pingshan Nanli, Haicang Industrial Park, Xiamen, China

CAS No.531-91-9 High Purity N,N-Diphenylbenzidine 531-91-9

Assay:99% Appearance:white-off solid or colorless liquid ( referto COA) Package:805kgs/fiber drum Storage:Keep in a cool and dry place Transportation:by sea or by air Application:Organic intermediates 

Min. Order:0

Supplier:Lonwin Chemical Group Limited [ China (Mainland)]

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Supplier

Tel:Tel: 86-21-59858395

Address:No#966,Huaxu Road,Shanghai 201702,P.R.China

CAS No.531-91-9 N,N'-DIPHENYLBENZIDINE

Assay:98%+ Appearance:COA mentioned Package:Standard or custom package Storage:COA mentioned Transportation:sea/air /courier Application:pharmaceutical raw materails 

Min. Order:0

Supplier:Afine Chemicals Limited [ China (Mainland)]

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Supplier

Tel:+86-571-85134551

Address:No. 206 Zhen Hua Road, Hangzhou 310030, Zhejiang, China

CAS No.531-91-9 N,N-Diphenylbenzidine

Assay:98%,99% Appearance:refer to COA Package:According to the clients requirement Storage:Store in dry, cool and ventilated place Transportation:By sea or by air or by courier Application:Liquid crystal intermediate 

Min. Order:0

Supplier:Hangzhou Ocean Chemical Co., Ltd. [ China (Mainland)]

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Supplier

Tel:+86-571-88025872, 28272092, 28272096

Address:Room 623 ,Building No 1 , COFCO Radius Commercial Center Xiwen Road, Xiacheng District, Hangzhou, Zhejiang Province, China

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99.90% Appearance:solid or liquid Package:drum and bag Storage:in sealed air resistant place Transportation:by sea or air Application:for pharma use 

Min. Order:0

Supplier:Kono Chem Co.,Ltd [ China (Mainland)]

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Supplier

Tel:86-29-86107037-8015

Address:No.11 Daqing Road,Lianhu District,Xi鈥檃n 710082,China

CAS No.531-91-9 N,N-Diphenylbenzidine

Assay:98%min Appearance:high quality Package:5kg 25kg According to clients' requirement Storage:Store in dry, dark and ventilated place Application:Intermediate and Industrial use 

Min. Order:0

Supplier:Hangzhou Keyingchem Co.,Ltd [ China (Mainland)]

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Supplier

Tel:+86-571-85378921

Address:Jintong international Building, No.113,Huayuangang Street, Gong shu District, Hangzhou,Zhejiang, China.

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:98%min Package:25kg/drum,or as per customers'demand Transportation:air,sea,courier Application:API,or Intermediates,fine chemicals 

Min. Order:0

Supplier:GIHI CHEMICALS CO.,LIMITED [ China (Mainland)]

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Supplier

Tel:+86-571-86217390

Address:No.567 Dengcai Street,Sandun,Westlake District,Hangzhou310030,Zhejiang,China.

CAS No.531-91-9 N,N-Diphenylbenzidine

Assay:98%min Package:20mg Application:The refence standard products, for lab use, also we could produce bigger quantity on yr requirement. 

Min. Order:0

Supplier:Hangzhou Dingyan Chem Co., Ltd [ China (Mainland)]

Assessed
Supplier

Tel:86-571-87157530-8007

Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004

CAS No.531-91-9 Monad Supply N,N'-Diphenylbenzidine Cas No: 531-91-9

Assay:99% Appearance:Powder Package:As your request Storage:Dry and Cool Transportation:By sea or air Application:Medical 

Min. Order:10Gram

Supplier:Wuhan Monad Medicine Tech Co.,LTD [ China (Mainland)]

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Tel:+8615871419939

Address:Guanggu Road

CAS No.531-91-9 N,N'-Diphenylbenzidine supplier in China CAS NO.531-91-9

Assay:99% Appearance:White or off-white Solid Package:According to the demand of customer Storage:store in cool, dry, ventilated place 20鈩?nbsp;Transportation:by Sea, air and express  Application:OLED Intermediate 

Min. Order:10Gram

Supplier:Changchun Artel lmport and Export trade company [ China (Mainland)]

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Tel:+86-0431-80543058

Address:Dianshi Plazza,Chaoyang District

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:98%min Appearance:Off-white to light yellow powder Package:According to the clients requirement. Storage:Keep in cool place. Application:Pharmaceutical intermediates 

Min. Order:0

Supplier:Hangzhou J&H Chemical Co., Ltd. [ China (Mainland)]

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Tel:+86-571-87396432

Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

CAS No.531-91-9 N,N'-Diphenylbenzidine 531-91-9

Assay:99% Appearance:GREY TO BROWNISH FINE CRYSTALLINE POWDER Package:drums Storage:Store below +30掳C. Transportation:sea,air,courier Application:intermediates 

Min. Order:1Kilogram

Supplier:Shanghai Minstar Chemical Co., Ltd [ China (Mainland)]

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Tel:0086-21-18019205509

Address:BUILDING 8, NO.1098, CHUANSHA ROAD, SHANGHAI, CHINA

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99.8% Appearance:Pale yellow powder Package:180 kg drum packaging, specifications.Pay attention to seal airtight, stored in a cool ventilated place, avoid direct sunlight.Stay away from the fire source.According to the flammable transport of da Storage:Dry and cold condition Transportation:180 kg drum packaging, specifications.Pay attention to seal airtight, stored in a cool ventilated place, avoid direct sunlight.Stay away from the fire source.According to the flammable transport of da Application:Used for collodion, nitrocellulose, varnish, artificial leather, pharmaceutical, plastics and spices industry. It is a good organic solvent, can dissolve resin, poly vinyl acetate, polyacrylate, polyv 

Min. Order:10Kilogram

Supplier:Hebei yanxi chemical co.,LTD. [ China (Mainland)]

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Address:Zhang zhe, guangzong county, xingtai city, hebei province

CAS No.531-91-9 N,N'-Diphenylbenzidine CAS NO.531-91-9 JSY Trade

Assay:99% Appearance:White or off-white Solid Package:According to the demand of customer Storage:store in cool, dry, ventilated place 20鈩?nbsp;Transportation:by Sea, air and express  Application:OLED Intermediate 

Min. Order:10Gram

Supplier:Changchun JuShengyuan Import and Export Trading Co.,Ltd [ China (Mainland)]

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Tel:0431-80744189

Address:Kuanchengqu Huanghelu Guanghuiyuan B16

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99% Appearance:White or off-white Solid Package:as your request Storage:Sealed, dry, microtherm , avoid light and smell Transportation:by sea by air by international express Application:OLED Intermediate 

Min. Order:1Kilogram

Supplier:Hebei Zhuangkai Biotechnology Co.,Ltd [ China (Mainland)]

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Tel:+86-0311-89278944

Address:hebei

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:98% Package:according to the clients requirement Storage:Store in dry, dark and ventilated place Transportation:air, express, ocean Application:Organic Chemicals 

Min. Order:1Gram

Supplier:BAYNOE CHEM CO.,LTD [ China (Mainland)]

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Tel:+86-21-34783353

Address:307 ,Building 2, xinjunhuan Road

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99% Appearance:detailed see specifications Package:25kg/drum;200kg/drum Storage:Keep away of light, cool place Transportation:Sea/air/courier Application:Chemical synthesis 

Min. Order:0

Supplier:Xiamen Hisunny Chemical Co.,Ltd [ China (Mainland)]

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Tel:86-592-3327115

Address:Unit 603,No.879,Xiahe Road,Meixin Building,Xiamen,China

CAS No.531-91-9 N,N'-Diphenylbenzidine

Assay:99%+ Appearance:White power Package:1g, 1kg, 25kg, according to customer requirements Storage:Sealed, long-term storage temperature -20鈩?nbsp;Transportation:By express, by air, by sea Application:Used as intermediates of medicine, organic and materials 

Min. Order:1Milligram

Supplier:Xiamen Jenny Chemical Technology Co., Ltd. [ China (Mainland)]

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Address:Room 402, No. 216, Nanshan Road, Huli District, Xiamen City

CAS No.531-91-9 N,N'-Diphenylbenzidine CAS NO.531-91-9 CAS NO.531-91-9

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CAS No.531-91-9 N,N'-Diphenylbenzidine

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CAS No.531-91-9 N,N'-Diphenyl benzidine

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CAS No.531-91-9 N,N'-Diphenylbenzidine CAS No.531-91-9

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CAS No.531-91-9 N,N'-Diphenylbenzidine, 98% 531-91-9

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CAS No.531-91-9 N,N-Diphenylbenzidine

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CAS No.531-91-9 N,N'-Diphenylbenzidine 531-91-9

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CAS No.531-91-9 N,N'-Diphenylbenzidine

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CAS No.531-91-9 N,N-Diphenylbenzidine

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