[登录] [免费注册]
试剂仪器网
位置:首页 > 资料中心 > 化工字典 > 239075-02-6
关键词:       仅模糊查询
CAS: 239075-02-6
分子式: C20H28B2O4S2
分子量: 418.19
熔点: 208-212 ℃(lit.)
英文名称: 
2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol)ester
推荐供应商
货号品牌产品名称规格包装、参考价格
B870437MACKLIN5,5'-双(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)-2,2'-bithiophene98%310元/1g;   1360元/5g;   咨询
储存:室温
状态:白色到灰色到棕色粉末到晶体
B3363TCI5,5'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,2'-bithiophene>98.0%(T)3310元/5G;   咨询

基本信息

纯度/分析方法>98.0%(T)
分子式/分子量C20H28B2O4S2 = 418.18
外观与形状(20℃)固体
Reaxys-RN9287556
PubChem物质ID87560900
MDL编号MFCD06798112

技术规格

AppearanceWhite to Gray to Brown powder to crystal
Purity(Neutralization titration)min. 98.0 %
Melting point204.0 to 210.0 ℃

物性(参考值)

熔点207 ℃
溶解性(可溶于)丙酮
647020Sigma-Aldrich2,2′-Bithiophene-5,5′-diboronic acid bis(pinacol) ester97%970.67元/1 G;   4301.99元/5 G;   咨询

基本信息

经验(实验)分子式C20H28B2O4S2
分子量418.19
MDL编号MFCD06798112
PubChem化学物质编号24883504
NACRESNA.22

产品性质

质量水平100
测定97%
mp208-212 ℃ (lit.)
SMILES stringCC1(C)OB(OC1(C)C)c2ccc(s2)-c3ccc(s3)B4OC(C)(C)C(C)(C)O4
InChI1S/C20H28B2O4S2/c1-17(2)18(3,4)24-21(23-17)15-11-9-13(27-15)14-10-12-16(28-14)22-25-19(5,6)20(7,8)26-22/h9-12H,1-8H3
InChI keyXWWXVHGWYCXJCJ-UHFFFAOYSA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备Eyeshields, Gloves, type N95 (US)
047636Fluorochem2,2'-Bithiophene-5,5'-diboronic acid bis(pinacol)95%968元/1g;   3806元/5g;   15202元/25g;   咨询

基本信息

CAS Number239075-02-6
MDL NumberMFCD06798112
Melting Point208 - 212 ℃

安全信息

图形或危害标志
危险性说明 H315: Causes skin irritation.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
防范说明 P233: Keep container tightly closed.
P260: Do not breathe .
P261: Avoid breathing .
P264: Wash hands thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing..
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P312: Call a POISON CENTER or doctor/physician if you feel unwell.
P321: Specific treatment (see relevant procedures. on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P362: Take off contaminated clothing and wash before reuse.
P403: Store in a well-ventilated place.
P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
P501: Dispose of contents/container to in accordance with local regulation .
CAS号首数字顺序排列: 1 2 3 4 5 6 7 8 9