氯乙酸酐
氯乙酸酐用途
碱性溶液中氨基酸的N-乙酰化反应,制备氯乙酸纤维素。
氯乙酸酐名称
[ CAS 号 ]:
541-88-8
[ 中文名 ]:
氯乙酸酐
[ 英文名 ]:
Chloroacetic anhydride
[中文别名 ]:
[英文别名 ]:
- Butanoic acid, 3-chloro-4-fluoro-, methyl ester
- (2-chloroacetyl) 2-chloroacetate
- Chloroacetic anhydride
- EINECS 208-794-2
- Methyl 3-chloro-4-fluorobutanoate
- MFCD00000929
氯乙酸酐物理化学性质
[ 密度 ]:
1.2±0.1 g/cm3
[ 沸点 ]:
159.0±20.0 °C at 760 mmHg
[ 熔点 ]:
51 °C
[ 分子式 ]:
C5H8ClFO2
[ 分子量 ]:
154.567
[ 闪点 ]:
63.0±10.9 °C
[ 精确质量 ]:
154.019684
[ PSA ]:
43.37000
[ LogP ]:
0.91
[ 外观性状 ]:
褐色半透明晶体
[ 蒸汽压 ]:
2.6±0.3 mmHg at 25°C
[ 折射率 ]:
1.400
[ 储存条件 ]:
室温,干燥,密封
氯乙酸酐MSDS
氯乙酸酐安全信息
[ 符号 ]:
GHS05, GHS06
[ 信号词 ]:
Danger
[ 危害声明 ]:
H301-H314-H317
[ 警示性声明 ]:
P280-P301 + P310-P305 + P351 + P338-P310
[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ 危害码 (欧洲) ]:
T:Toxic;
[ 风险声明 (欧洲) ]:
R23/24/25;R35
[ 安全声明 (欧洲) ]:
S26-S28-S36/37/39-S45-S27
[ 危险品运输编码 ]:
UN 3261 8/PG 2
[ WGK德国 ]:
3
[ 包装等级 ]:
II
[ 危险类别 ]:
8
[ 海关编码 ]:
2915900090
氯乙酸酐合成路线
氯乙酸酐海关
[ 海关编码 ]: 2915900090
[ 中文概述 ]:
2915900090. 其他饱和无环一元羧酸及其酸酐(酰卤、过氧)化物、过氧酸及其卤化、硝化、磺化、亚硝化衍生物. 增值税率:17.0%. 退税率:9.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:5.5%. 普通关税:30.0%
[ 申报要素 ]: 品名, 成分含量, 用途
[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单
[ 检验检疫 ]: R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验
[ Summary ]:
2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%
氯乙酸酐文献
Nat. Protoc. 2(2) , 251-8, (2007)
This protocol describes a procedure for the synthesis of 3,3'-bis(sulfonato)-4,4'-bis(chloroacetamido)azobenzene (BSBCA), a water-soluble, thiol-reactive, photo-switchable cross-linker. In addition, a...
Preparation of enantiomerically pure L-7-azatryptophan by an enzymatic method and its application to the development of a fluorimetric activity assay for tryptophanyl-tRNA synthetase.Anal. Biochem. 252(2) , 260-70, (1997)
The reaction of D,L-7-azatryptophan (D,L-7AW) with tryptophanyl-tRNA synthetase (TrpRS), adenosine triphosphate (ATP), and Mg2+ in the presence of inorganic pyrophosphatase results in the formation of...
A facile synthesis of 2-methyl-[3,4-di-O-acetyl-6-O-(chloroacetyl)-1,2-dideoxy-alpha-D-glucopyrano]-[2',1':4,5]-2-oxazoline.Carbohydr. Res. 51(2) , 215-22, (1976)
The use of the chloroacetyl group as a protecting group has been studied for a 2-methylglyco-[2',1':4,5]-2-oxazoline. The reaction of chloroacetyl chloride or chloroacetic anhydride with 2-acetamido-1...
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相关化合物
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