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2-甲基-1,4-丁二醇

2-甲基-1,4-丁二醇名称

[ CAS 号 ]:
2938-98-9

[ 中文名 ]:
2-甲基-1,4-丁二醇

[ 英文名 ]:
1,4-Butanediol,2-methyl-

[英文别名 ]:

3-methyl-1,4-butanediol
2-methyl-butane-1,4-diol
2-methyl-1,4-dihydroxybutane
2-methyl-4-butanediol

2-甲基-1,4-丁二醇物理化学性质

[ 密度 ]:
0.978g/cm3

[ 沸点 ]:
212.2ºC at 760 mmHg

[ 熔点 ]:
50.86 °C

[ 分子式 ]:
C₅H₁₂O₂

[ 分子量 ]:
104.14800

[ 闪点 ]:
98.9ºC

[ 精确质量 ]:
104.08400

[ PSA ]:
40.46000

[ 蒸汽压 ]:
0.0392mmHg at 25°C

[ 折射率 ]:
1.443

[ 储存条件 ]:
2-8℃

2-甲基-1,4-丁二醇毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EK2275000

CHEMICAL NAME :: 1,4-Butanediol, 2-methyl-

CAS REGISTRY NUMBER :: 2938-98-9

BEILSTEIN REFERENCE NO. :: 1719165

LAST UPDATED :: 199806

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H12-O2

MOLECULAR WEIGHT :: 104.17

WISWESSER LINE NOTATION :: Q2Y1&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 :: 5460 mg/kg

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

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 2620 uL/kg

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

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 4,119,1951

2-甲基-1,4-丁二醇安全信息

[ 危害码 (欧洲) ]:
Xn

[ 海关编码 ]:
2905399090

2-甲基-1,4-丁二醇上下游产品

2-甲基-1,4-丁二醇上游产品

2-甲基-1,4-丁二醇下游产品

2-甲基-1,4-丁二醇海关

[ 海关编码 ]: 2905399090

[ 中文概述 ]:
2905399090 其他二元醇。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:5.5%。普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 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 ]:
2905399090 other diols。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:5.5%。general tariff:30.0%