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方酸二甲酯

方酸二甲酯名称

[ CAS 号 ]:
5222-73-1

[ 中文名 ]:
3,4-二甲氧基-3-环丁烯-1,2-二酮

[ 英文名 ]:
Dimethyl squarate

[中文别名 ]:

[英文别名 ]:

Dimethyl squarate
EINECS 220-761-4
3,4-dimethoxycyclobut-3-ene-1,2-dione
3-Cyclobutene-1,2-dione, 3,4-dimethoxy-
MFCD00101316
3,4-Dimethoxy-3-cyclobutene-1,2-dione
Squaric acid dimethyl ester

方酸二甲酯物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
286.1±50.0 °C at 760 mmHg

[ 熔点 ]:
55-57 °C(lit.)

[ 分子式 ]:
C₆H₆O₄

[ 分子量 ]:
142.109

[ 闪点 ]:
128.0±30.2 °C

[ 精确质量 ]:
142.026611

[ PSA ]:
52.60000

[ LogP ]:
-1.21

[ 外观性状 ]:
白色结晶粉末

[ 蒸汽压 ]:
0.0±0.6 mmHg at 25°C

[ 折射率 ]:
1.478

[ 储存条件 ]:
0-6°C

方酸二甲酯MSDS

方酸二甲酯安全信息

[ 符号 ]:

GHS08

[ 信号词 ]:
Danger

[ 危害声明 ]:
H317-H334

[ 警示性声明 ]:
P261-P280-P342 + P311

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
R42/43

[ 安全声明 (欧洲) ]:
S22-S24/25-S26-S36/37/39

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ 海关编码 ]:
2914509090

方酸二甲酯合成路线

方酸二甲酯上下游产品

方酸二甲酯上游产品

方酸二甲酯下游产品

方酸二甲酯海关

[ 海关编码 ]: 2914509090

[ 中文概述 ]:
2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:5.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 丙酮报明包装

[ Summary ]:
HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

方酸二甲酯文献

A Cholera Conjugate Vaccine Containing O-specific Polysaccharide (OSP) of V. cholerae O1 Inaba and Recombinant Fragment of Tetanus Toxin Heavy Chain (OSP:rTTHc) Induces Serum, Memory and Lamina Proprial Responses against OSP and Is Protective in Mice.

PLoS Negl. Trop. Dis. 9 , e0003881, (2015)

Vibrio cholerae is the cause of cholera, a severe watery diarrhea. Protection against cholera is serogroup specific. Serogroup specificity is defined by the O-specific polysaccharide (OSP) component o...

Squaric acid-based peptidic inhibitors of matrix metalloprotease-1.

J. Org. Chem. 70(26) , 10792-802, (2005)

[structure: see text] A series of squaric acid-peptide conjugates were synthesized and evaluated as inhibitors of MMP-1. The cyclobut-3-enedione core was substituted at the 3-position with several fun...

Tetrahedron Lett. 34 , 6177, (1993)

更多文献

方酸二甲酯

方酸二甲酯名称

方酸二甲酯物理化学性质

方酸二甲酯MSDS

详细MSDS(安全技术说明书)

方酸二甲酯安全信息

方酸二甲酯合成路线

详细合成路线

方酸二甲酯上下游产品

方酸二甲酯上游产品

方酸二甲酯下游产品

方酸二甲酯海关

方酸二甲酯文献

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