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2-氯乙酰乙酸甲酯

2-氯乙酰乙酸甲酯名称

[ CAS 号 ]:
4755-81-1

[ 中文名 ]:
2-氯乙酰乙酸甲酯

[ 英文名 ]:
Methyl 2-chloroacetoacetate

[中文别名 ]:

甲基2-氯乙酰

[英文别名 ]:

2-Chloroacetoacetic Acid Methyl Ester
MFCD00008757
Methyl 2-Chloroacetoacetate
methyl 2-chloro-3-oxobutanoate
EINECS 225-286-6

2-氯乙酰乙酸甲酯物理化学性质

[ 密度 ]:
1.236 g/mL at 25 °C(lit.)

[ 沸点 ]:
137 °C(lit.)

[ 熔点 ]:
−33-−32.7 °C(lit.)

[ 分子式 ]:
C₅H₇ClO₃

[ 分子量 ]:
150.56000

[ 闪点 ]:
161 °F

[ 精确质量 ]:
150.00800

[ PSA ]:
43.37000

[ LogP ]:
0.35580

[ 外观性状 ]:
无色液体

[ 折射率 ]:
n20/D 1.446(lit.)

[ 储存条件 ]:
2~8°C

[ 水溶解性 ]:
50 g/L (20 ºC)

2-氯乙酰乙酸甲酯MSDS

2-氯乙酰乙酸甲酯安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302 + H312 + H332-H315-H319-H335

[ 警示性声明 ]:
P261-P280-P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xn: Harmful;

[ 风险声明 (欧洲) ]:
R22;R36/37/38

[ 安全声明 (欧洲) ]:
S26-S27-S28-S36/37/39-S37/39

[ 危险品运输编码 ]:
UN 2810 6.1/PG 3

[ WGK德国 ]:
3

[ 包装等级 ]:
III

[ 危险类别 ]:
8

[ 海关编码 ]:
29183000

2-氯乙酰乙酸甲酯合成路线

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2-氯乙酰乙酸甲酯海关

[ 海关编码 ]: 2918300090

[ 中文概述 ]:
2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

2-氯乙酰乙酸甲酯文献

Chemoselective arylamidine cyclizations: mild formation of 2-arylimidazole-4-carboxylic acids.

Org. Lett. 7(17) , 3801-3, (2005)

A versatile, one-pot synthesis of 2-arylimidazole-4-carboxylic acids from arylamidines and methyl-2-chloroacetoacetate is described. The transformation is chemoselective, and reaction conditions are m...

'One-flask'synthesis to 3, 5-disubstituted 1, 2, 4-triazoles from aldehydes with hydrazonoyl hydrochlorides via 1, 3-dipolar cycloaddition. Tseng W-C, et al.

Tetrahedron 67(29) , 5339-45, (2011)

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