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1,2-丁二醇

1,2-丁二醇用途

主要用于溶剂和中间体。1,2-丁二醇具有典型的二元醇特性，容易与醛或酮生成醛或缩酮。与二元羧酸或酸酐反应生成聚酯，与二异氰酸酯反应生成聚氨酯。用硝酸氧化生成羟基乙酸、二羟基乙酸。

1,2-丁二醇名称

[ CAS 号 ]:
584-03-2

[ 中文名 ]:
1,2-丁二醇

[ 英文名 ]:
1,2-butanediol

[中文别名 ]:

[英文别名 ]:

1,2-Dihydroxybutane
EINECS 209-527-2
Butanediol, 1,2-
1,2-(Dihydroxy)butane
MFCD00004570
±-1,2-Butanediol
1,2-butanediol
1,2-butylene glycol
1,2-Butanediol, (±)-
butane-1,2-diol

1,2-丁二醇物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
190.3±8.0 °C at 760 mmHg

[ 熔点 ]:
-50 °C

[ 分子式 ]:
C₄H₁₀O₂

[ 分子量 ]:
90.121

[ 闪点 ]:
93.3±0.0 °C

[ 精确质量 ]:
90.068077

[ PSA ]:
40.46000

[ LogP ]:
-0.81

[ 外观性状 ]:
液体;Colorless to Light yellow clear liquid

[ 蒸汽压 ]:
0.1±0.8 mmHg at 25°C

[ 折射率 ]:
1.438

[ 储存条件 ]:
库房通风低温干燥,防火.

1,2-丁二醇MSDS

1,2-丁二醇毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EK0380000

CHEMICAL NAME :: 1,2-Butanediol

CAS REGISTRY NUMBER :: 584-03-2

BEILSTEIN REFERENCE NO. :: 0969169

LAST UPDATED :: 199709

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C4-H10-O2

MOLECULAR WEIGHT :: 90.14

WISWESSER LINE NOTATION :: QY2&1Q

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 16 gm/kg

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

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,207,1986

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4192 mg/kg

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

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 49,385,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7923 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (estimated)

1,2-丁二醇安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)

[ 危害码 (欧洲) ]:
Xi

[ 安全声明 (欧洲) ]:
S24/25

[ WGK德国 ]:
2

[ RTECS号 ]:
EK0380000

1,2-丁二醇合成路线

1,2-丁二醇上下游产品

1,2-丁二醇上游产品

1,2-丁二醇下游产品

1,2-丁二醇制备

由环氧丁烷水合而得。将0.1%硫酸水溶液加热至60℃，于1h内滴加1，2-环氧丁烷，在60-70℃保温反应0.5h，用40%液碱中和至pH7-7.5，减压蒸去水后，再经精馏，收集110℃（3.72kPa）馏分而得成品，收率80%以上。

1,2-丁二醇文献

Analysis of eight glycols in serum using LC-ESI-MS-MS.

J. Anal. Toxicol. 38(9) , 676-80, (2014)

A liquid chromatography coupled with electrospray tandem mass spectrometry method was developed for the analysis of ethylene glycol, diethylene glycol, triethylene glycol, 1,4-butanediol, 1,2-butanedi...

Efficient conversion of 1,2-butanediol to (R)-2-hydroxybutyric acid using whole cells of Gluconobacter oxydans.

Bioresour. Technol. 115 , 75-8, (2012)

(R)-2-Hydroxybutyric acid ((R)-2-HBA) is an important building block for azinothricin family of antitumour antibiotics and biodegradable poly(2-hydroxybutyric acid). However, optically active (R)-2-HB...

Simultaneous extraction of flavonoids from Chamaecyparis obtusa using deep eutectic solvents as additives of conventional extractions solvents.

J. Chromatogr. Sci. 53 , 836-40, (2015)

Three flavones (quercetin, myricetin and amentoflavone) were extracted from Chamaecyparis obtusa leaves using deep eutectic solvents (DESs) as additives to conventional extractions solvents. Sixteen D...

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