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丁炔二酸二甲酯

丁炔二酸二甲酯用途

用于有机合成。

丁炔二酸二甲酯名称

[ CAS 号 ]:
762-42-5

[ 中文名 ]:
丁炔二酸二甲酯

[ 英文名 ]:
Dimethyl but-2-ynedioate

[中文别名 ]:

[英文别名 ]:

Acetylenedicarboxylic acid, dimethyl ester (8CI)
Dimethylbut-2-indioat
2-Butynedioic acid, dimethyl ester
EINECS 212-098-4
Dimethyl 2-butynedioate
dimethyl but-2-ynedioate
acetylenedicarboxylate
MFCD00008456

丁炔二酸二甲酯物理化学性质

[ 密度 ]:
1.2±0.1 g/cm3

[ 沸点 ]:
204.3±0.0 °C at 760 mmHg

[ 熔点 ]:
-18 °C

[ 分子式 ]:
C₆H₆O₄

[ 分子量 ]:
142.109

[ 闪点 ]:
86.1±0.0 °C

[ 精确质量 ]:
142.026611

[ PSA ]:
52.60000

[ LogP ]:
1.50

[ 外观性状 ]:
透明无色至淡黄色液体

[ 蒸汽压 ]:
0.3±0.4 mmHg at 25°C

[ 折射率 ]:
1.446

[ 储存条件 ]:
室温，避光

丁炔二酸二甲酯MSDS

丁炔二酸二甲酯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ES0175000

CHEMICAL NAME :: 2-Butynedioic acid, dimethyl ester

CAS REGISTRY NUMBER :: 762-42-5

BEILSTEIN REFERENCE NO. :: 0607063

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H6-O4

MOLECULAR WEIGHT :: 142.12

WISWESSER LINE NOTATION :: 1OV1UU1VO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,13,1953

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 550 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - ataxia Behavioral - coma

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 28(6),55,1984

丁炔二酸二甲酯安全信息

[ 符号 ]:

GHS05, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H302-H314

[ 警示性声明 ]:
P280-P305 + P351 + P338-P310

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

[ 危害码 (欧洲) ]:
C:Corrosive

[ 风险声明 (欧洲) ]:
R22;R34

[ 安全声明 (欧洲) ]:
S23-S26-S27-S36/37/39-S45

[ 危险品运输编码 ]:
UN 3265 8/PG 2

[ WGK德国 ]:
3

[ RTECS号 ]:
ES0175000

[ 包装等级 ]:
III

[ 危险类别 ]:
8

[ 海关编码 ]:
2917190090

丁炔二酸二甲酯合成路线

丁炔二酸二甲酯上下游产品

丁炔二酸二甲酯上游产品

丁炔二酸二甲酯下游产品

丁炔二酸二甲酯制备

丁炔二甲酸钾与甲醇在浓硫酸存在下室温反应4d，以72-88%的收率生成丁炔二酸二甲酯。

丁炔二酸二甲酯海关

[ 海关编码 ]: 2917190090

[ 中文概述 ]:
2917190090 其他无环多元羧酸. 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, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分

[ Summary ]:
2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

丁炔二酸二甲酯文献

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N-carbamoyl nitrones represent an important class of reagents for the synthesis of a variety of natural and biologically active compounds. These compounds are generally converted into valuable 4-isoxa...

A Mechanochromic Luminescent Dye Exhibiting On/Off Switching by Crystalline-Amorphous Transitions.

Chem. Asian J. 10 , 1698-702, (2015)

A mechanochromic luminescent dye based on a simple aminomaleimide skeleton was readily synthesized in a one-pot process. It exhibited an on/off mechanochromic luminescent switching property dependent ...

Development of a gold-multifaceted catalysis approach to the synthesis of highly substituted pyrroles: mechanistic insights via Huisgen cycloaddition studies.

J. Org. Chem. 78(3) , 920-34, (2013)

A novel gold-catalyzed method for the regioselective synthesis of highly substituted pyrroles directly from oximes and alkynes was developed via independent optimization of two key steps of the proces...

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