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巯基乙酸甲酯

巯基乙酸甲酯用途

【用途一】
巯基乙酸甲酯是除草剂噻吩磺隆的原料。
【用途二】
医药及农药中间体。

巯基乙酸甲酯名称

[ CAS 号 ]:
2365-48-2

[ 中文名 ]:
巯基乙酸甲酯

[ 英文名 ]:
Methyl thioglycolate

[中文别名 ]:

[英文别名 ]:

methylthioglycolic ester
Acetic acid, 2-mercapto-, methyl ester
mercapto acetic acid methylester
2-mercaptoacetic acid methyl ester
USAF EK-7119
Methyl Thioglycolate
methyl mercaptoglycolate
methyl 2-mercaptoacetate
Methyl sulfanylacetate
EINECS 219-121-7

巯基乙酸甲酯物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
151.9±0.0 °C at 760 mmHg

[ 熔点 ]:
-24 °C

[ 分子式 ]:
C₃H₆O₂S

[ 分子量 ]:
106.144

[ 闪点 ]:
35.0±7.8 °C

[ 精确质量 ]:
106.008850

[ PSA ]:
65.10000

[ LogP ]:
0.65

[ 外观性状 ]:
无色或灰白的绿色液体

[ 蒸汽压 ]:
3.6±0.2 mmHg at 25°C

[ 折射率 ]:
1.449

[ 储存条件 ]:
存放于惰性气体之中;避免空气,湿气 (分解)

[ 水溶解性 ]:
40 g/L (20 ºC)

巯基乙酸甲酯MSDS

巯基乙酸甲酯毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AI7350000

CHEMICAL NAME :: Acetic acid, mercapto-, methyl ester

CAS REGISTRY NUMBER :: 2365-48-2

BEILSTEIN REFERENCE NO. :: 0506259

LAST UPDATED :: 199710

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C3-H6-O2-S

MOLECULAR WEIGHT :: 106.15

WISWESSER LINE NOTATION :: SH1VO1

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 :: 84 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - tremor Skin and Appendages - hair

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570921

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 252 mg/kg

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

REFERENCE :: ZHYGAM Zeitschrift fuer die Gesamte Hygiene und Ihre Grenzgebiete. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1955- Volume(issue)/page/year: 20,575,1974

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1100 mg/kg/15D-I

TOXIC EFFECTS :: Behavioral - food intake (animal) Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0570921

巯基乙酸甲酯安全信息

[ 符号 ]:

GHS02, GHS06

[ 信号词 ]:
Danger

[ 危害声明 ]:
H226-H301-H315-H319-H332-H335

[ 警示性声明 ]:
P261-P301 + P310-P305 + P351 + P338

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

[ 危害码 (欧洲) ]:
T:Toxic;Xn:Harmful;

[ 风险声明 (欧洲) ]:
R10;R20/22;R25;R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36/37-S45-S36/37/39-S28A

[ 危险品运输编码 ]:
UN 1992 3/PG 3

[ WGK德国 ]:
1

[ RTECS号 ]:
AI7350000

[ 包装等级 ]:
III

[ 危险类别 ]:
3

[ 海关编码 ]:
29309070

巯基乙酸甲酯合成路线

巯基乙酸甲酯上下游产品

巯基乙酸甲酯上游产品

巯基乙酸甲酯下游产品

巯基乙酸甲酯制备

其制备方法是在反应釜内加入巯基乙酸和甲醇，搅拌，滴加少量浓硫酸为催化剂，滴完，回流反应12h，反应结束后，加入水洗涤至中性，分水，得成品。
HSCH₂COOH+CH₃OH[H₂SO₄]→HSCH₂COOCH₃+H₂O

巯基乙酸甲酯海关

[ 海关编码 ]: 2930909090

[ 中文概述 ]:
2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 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

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

巯基乙酸甲酯文献

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Rapid Commun. Mass Spectrom. 13(5) , 350-3, (1999)

A gas chromatography/mass spectrometry (GC/MS) method has been developed to determine two methylated arsenic species in human urine samples. The yield of derivatization for dimethylarsinic acid (DMA) ...

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