8.22002
Crotonic anhydride
(mixture of cis and trans isomers) for synthesis
别名:
Crotonic anhydride, 2-Butenoic anhydride
登录 查看组织和合同定价。
选择尺寸
关于此项目
线性分子式:
(CH3CH=CHCO)2O
化学文摘社编号:
分子量:
154.16
MDL number:
UNSPSC Code:
12352106
EC Index Number:
210-807-1
NACRES:
NA.22
SMILES string
O(C(=O)\C=C\C)C(=O)\C=C\C
InChI
1S/C8H10O3/c1-3-5-7(9)11-8(10)6-4-2/h3-6H,1-2H3/b5-3+,6-4+
InChI key
VJDDQSBNUHLBTD-GGWOSOGESA-N
vapor pressure
1 hPa ( 25 °C)
form
liquid
autoignition temp.
290 °C
potency
2061 mg/kg LD50, oral (Rat)
bp
250 °C
mp
-20 °C
transition temp
flash point 113 °C
density
1.04 g/cm3 at 20 °C
storage temp.
2-30°C
Quality Level
General description
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.
Analysis Note
Assay isomers (GC, area%): ≥ 95.5 % (a/a)
Density (d 20 °C/ 4 °C): 1.038 - 1.040
Identity (IR): passes test
Density (d 20 °C/ 4 °C): 1.038 - 1.040
Identity (IR): passes test
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Eye Dam. 1 - Skin Corr. 1B
存储类别
8A - Combustible, corrosive hazardous materials
wgk
WGK 3
flash_point_f
235.4 °F
flash_point_c
113 °C
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系客户支持