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
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:河北省雞澤縣城東2公里處永河公路南側(cè), Zip: 057350
  • Contact:
  • Tel:0310-7525181 13363101666
  • 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:
Storefront Language: English Chinese English
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 元朗区| 资源县| 贵定县| 内黄县| 天等县| 潜山县| 卫辉市| 东台市| 依安县| 巴彦淖尔市| 西畴县| 得荣县| 永丰县| 华亭县| 深水埗区| 安达市| 武平县| 策勒县| 长岛县| 东平县| 沙河市| 武清区| 黔西| 无极县| 汤阴县| 若羌县| 凤城市| 杭锦后旗| 德庆县| 贵港市| 伊川县| 衡阳市| 高要市| 西畴县| 聂荣县| 赫章县| 营口市| 沿河| 岳池县| 奈曼旗| 旺苍县|