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 > Intermediates > Synthesis material intermediates > CBDA,

CBDA,

Inquiry
  Post Date: Sep 04,2019
  Expiry Date: Sep 03,2020
  Detailed Description: Cas No. :4415-87-6 Quantity: 50Kilograms
Specs:99.0%
Cyclobutane-1,2,3,4-tetracarboxylic dianhydride
Synonyms: CBDA
CAS NO.: 4415-87-6
EINECS: 224-577-5
MF: C8H4O6
MW: 196.11
MP: >300 oC
Appearance: white powder
Assay: >99%
Polyimide,High-performance material monomers,Colorless polyimide film

  CAS Registry Number:

4415-87-6

  Synonyms: ;Tetrahydrocyclobuta(1,2-c:3,4-c')difuran-1,3,4,6-tetraone;tetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone;Cyclobutane-1,2,3,4-tetracarboxylic dianhydride;CBDA;1,2,3,4-cyclobutanetetra-carboxylic acid dianhydride;Cyclobutane-1,2,3,4-tetracarboxylic acid dianhydride;cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6(3aH,3bH,6aH,6bH)-tetraone;
  Molecular Formula: C8H4O6
  Molecular Weight: 196.1138
  Molecular Structure: 4415-87-6 tetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetraone
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S36:;

  Company: Shenzhen Feiming Science and Technology Co., Ltd.     [ China ]          
  Contact: Sale
  Tel: +86-755-85232577
  Fax: +86-755-84594577
  Email: sale@fmect.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: 临夏市| 绵竹市| 保亭| 张家川| 丰县| 南城县| 宁蒗| 社旗县| 瓮安县| 九龙坡区| 连平县| 黔西| 平南县| 明星| 盈江县| 永顺县| 太和县| 曲麻莱县| 蒲城县| 河曲县| 嘉兴市| 惠东县| 抚松县| 府谷县| 平阳县| 枣庄市| 弥勒县| 社会| 建昌县| 松桃| 浏阳市| 遵义市| 葵青区| 连城县| 沙洋县| 大足县| 筠连县| 吴旗县| 绥江县| 台东市| 锡林郭勒盟|