Crotonic Anhydride

Dangerous Goods

CAS number：623-68-7 molecular formula：C8H10O3

overview

Specs

numbering system

physicochemical properties

Safety information

Production methods and uses

MSDS

overview

compound introduction

Crotonic anhydride is also known as 2-butenoic anhydride is commonly used as a precursor in the synthesis of polymers. Its reactive anhydride group makes it an effective acylating agent in esterification reactions, facilitating the formation of esters by reacting with alcohols.

Specs

Chinese alias	丁烯酸酐
English alias	(E)-but-2-enoic acid [(E)-but-2-enoyl] ester \| Anhydrid kyseliny krotonove [Czech] \| Tungsten Standard: W @ 10000 microg/mL in H2O \| Crotonic acid anhydride \| Anhydrid kyseliny krotonove \| CROTONIC ANHYDRIDE \| 2-Butenoic acid, 1,1'-anhydride \| AKOS0159127
CAS number	623-68-7	molecular formula	C8H10O3
molecular weight	154.17 g/mol	Exact mass	≥95%
PSA	43.400 Å²	logp	1.500

numbering system

No numbering system information yet

physicochemical properties

No physical and chemical property information yet

Safety information

pictogram：

GHS09 , GHS05 , GHS07

Signal word：

Danger

Hazard Statement：

H315: 引起皮肤刺激 H335: 可能引起呼吸道刺激 H318: 造成严重的眼睛损伤 H400: 对水生生物有剧毒

Statement of Preventive Measures：

P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P273: 避免释放到环境中。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P302+P352: 如皮肤沾染：用水充分清洗。 P321: 特殊处理（请参阅此标签上的...）。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P271: 仅在室外或通风良好的地方使用。 P304+P340: 如误吸入：将人转移到空气新鲜处，保持呼吸舒适体位。 P403+P233: 存放在通风良好的地方。保持容器