中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

China Direct Black 19 - China Supplier

Direct Black 19

Price:Negotiable
Industry Category: Chemicals/Dyes/Organic Dyes
Product Category:
CAS NO: 6428-31-5
Brand:
Spec:


Contact Info
  • Add:浙江省建德市新安東路新安財(cái)富城 6幢803室, Zip: 311600
  • Contact: 王建武
  • Tel:0571-64701316
  • Email:[email protected]

Other Products

Description
Additional Information

CAS NO:6428-31-5

EC NO:229-208-1

Molecular Formula:C34H27N13Na2S2O7

Molecular Weight:839.77

Synonyms:;C.I. 35255;C.I. Direct Black 19;C.I. Direct Black 19 (VAN);C.I. Direct Black 19, disodium salt;Direct Fast Black G;C.I.Direct Black 19;disodium (3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate;(3E)-5-amino-6-[(E)-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]-3-(2-{4-[(E)-(2,4-diaminophenyl)diazenyl]phenyl}hydrazinylidene)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid;Direct Black G;

Molecular Structure:直接黑19 6428-31-5

Industry Category Chemicals/Dyes/Organic Dyes
Product Category
Brand:
Spec:
Stock:
Origin:
About Toocle.com -  Toocle Partnership -  Toocle Services -  Toocle Agents
Copyright ? Toocle.com. All Rights Reserved.
(浙)-經(jīng)營(yíng)性-2023-0192
ChatGlobal Chat Now