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巴豆酸

巴豆酸用途

反式丁烯酸主要用于制合成树脂、增塑剂、药物，也用于其他有机合成。

巴豆酸名称

[ CAS 号 ]:
3724-65-0

[ 中文名 ]:
巴豆酸

[ 英文名 ]:
Crotonic acid

[中文别名 ]:

[英文别名 ]:

Crotonic acid
MFCD00002701
But-2-enoic acid
EINECS 203-533-9

巴豆酸物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
177.0±9.0 °C at 760 mmHg

[ 熔点 ]:
70-72 °C(lit.)

[ 分子式 ]:
C₄H₆O₂

[ 分子量 ]:
86.089

[ 闪点 ]:
87.8±0.0 °C

[ 精确质量 ]:
86.036781

[ PSA ]:
37.30000

[ LogP ]:
0.80

[ 外观性状 ]:
一种白色结晶固体，可以作为固体或液体运送

[ 蒸汽密度 ]:
2.97 (vs air)

[ 蒸汽压 ]:
0.5±0.7 mmHg at 25°C

[ 折射率 ]:
1.449

[ 储存条件 ]:
库房通风低温干燥,与氧化剂、碱分开存放

[ 水溶解性 ]:
soluble

巴豆酸MSDS

巴豆酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GQ2800000

CHEMICAL NAME :: Crotonic acid

CAS REGISTRY NUMBER :: 3724-65-0

LAST UPDATED :: 199701

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C4-H6-O2

MOLECULAR WEIGHT :: 86.10

WISWESSER LINE NOTATION :: QV1U2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 26,269,1944 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1 gm/kg

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

REFERENCE :: JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 26,269,1944

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4800 mg/kg

TOXIC EFFECTS :: Tumorigenic - active as anti-cancer agent

REFERENCE :: BIJOAK Biochemical Journal. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1906- Volume(issue)/page/year: 34,1196,1940

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 25 mg/kg

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

REFERENCE :: 38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4953,1982

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3590 mg/kg

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

REFERENCE :: JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 21,85,1969

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 600 mg/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: -,309,1986

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 200 mg/kg

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

REFERENCE :: 38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4953,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84287 No. of Facilities: 234 (estimated) No. of Industries: 7 No. of Occupations: 9 No. of Employees: 2460 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84287 No. of Facilities: 303 (estimated) No. of Industries: 6 No. of Occupations: 7 No. of Employees: 5343 (estimated) No. of Female Employees: 209 (estimated)

巴豆酸安全信息

[ 危害码 (欧洲) ]:
C:Corrosive;

[ 风险声明 (欧洲) ]:
R21/22;R34

[ 安全声明 (欧洲) ]:
S26-S36/37/39-S45

[ 危险品运输编码 ]:
UN 2823 8/PG 3

[ WGK德国 ]:
3

[ RTECS号 ]:
GQ2900000

[ 包装等级 ]:
III

[ 海关编码 ]:
2916190090

巴豆酸合成路线

巴豆酸上下游产品

巴豆酸上游产品

巴豆酸下游产品

巴豆酸制备

1.以巴豆醛为原料，在催化剂乙酸铜-乙酸钴的混合物存在下经空气或氧气氧化即可制得。

2.此外，由木材干馏可得小量丁烯酸，实验中由乙醛与丙二酸缩合也可制备。

3. 从水和石油醚中得单斜针晶。

4. 烟草：OR，44；OR，49；OR，26；FC，9， 18；FC，BU，OR，40。

巴豆酸海关

[ 海关编码 ]: 2916190090

[ 中文概述 ]:
2916190090 其他不饱和无环一元羧酸（包括其酸酐、酰卤化物，过氧化物和过氧酸以及它们的衍生物）。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。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, 丙烯酸、丙烯酸盐或酯应报明包装

[ 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 ]:
2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

巴豆酸