潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Home > Offer to Sell > Dyestuffs and Pigments > Acid Dyes > Direct Black 19

Direct Black 19

Inquiry
  Post Date: Apr 26,2025
  Expiry Date: Oct 23,2025
  Detailed Description: Cas No. :6428-31-5 We're specialized in producing
acid dyes, direct dyes, liquid
dyes, salt free dyes, etc.

  CAS Registry Number:

6428-31-5

  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 Formula: C34H27N13Na2S2O7
  Molecular Weight: 839.77
  Molecular Structure: 6428-31-5 Direct Black 19

  Company: jinhua shuanghong chemical co., ltd.     [ China ]          
  Contact: Rujie Zhou
  Tel: +86-579-82781136-812
  Fax: +86-579-82781188
  Email: wm02@shuanghongchem.com
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.
主站蜘蛛池模板: 长海县| 贞丰县| 台山市| 禹城市| 房产| 张家港市| 东光县| 泰安市| 自贡市| 孟村| 霞浦县| 江门市| 南丹县| 米易县| 乌兰县| 玉门市| 马边| 城步| 顺平县| 河间市| 西盟| 泸定县| 苍溪县| 甘洛县| 建始县| 方城县| 新乡市| 金寨县| 临安市| 吐鲁番市| 卢龙县| 双柏县| 资中县| 黑河市| 泗阳县| 沙田区| 谢通门县| 铅山县| 宁波市| 六枝特区| 绵竹市|