硫脲嘧啶

外观与性状：

白色至淡黄色结晶粉末

密度：

1.46g/cm3

熔点：

>300 °C(lit.)

沸点：

337.2ºC at 760mmHg

闪点：

157.7ºC

水溶解性：

0.5 g/L

折射率：

1.677

蒸汽压：

5.45E-05mmHg at 25°C

存储条件/存储方法：

密封避光保存。

稳定性相关：

常温常压下稳定。

其它信息：

一、物性数据：

 1.性状：白色或浅黄色松软结晶或结晶性粉末

 2.熔点（℃）：340

 3.水溶性（g/L）：0.5

4.溶解性：微溶于水，溶于碱液。

海关代码：

29335995

WGK_Germany：

3
德国有关水污染物质的分类清单

危险类别码：

R40

安全说明：

S36/37

RTECS号：

YR1575000

安全标志：

:

危险标志：

Xn:Harmful

CHEMICAL IDENTIFICATION

RTECS NUMBER :

YR1575000

CHEMICAL NAME :

Uracil, 2-thio-

CAS REGISTRY NUMBER :

141-90-2

LAST UPDATED :

199701

DATA ITEMS CITED :

17

MOLECULAR FORMULA :

C4-H4-N2-O-S

MOLECULAR WEIGHT :

128.16

WISWESSER LINE NOTATION :

T6MYMVJ BUS

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1500 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

3900 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2100 mg/kg/4W-C

TOXIC EFFECTS :

Endocrine - changes in thyroid weight

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10 gm/kg/14W-C

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Endocrine - thyroid weight (goiter) Tumorigenic - increased incidence of tumors in susceptible strains

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

184 gm/kg/73W-C

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Liver - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Unreported

DOSE :

484 mg/kg

SEX/DURATION :

female 1-26 week(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - endocrine system

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Unreported

DOSE :

924 mg/kg

SEX/DURATION :

female 26-41 week(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

1600 mg/kg

SEX/DURATION :

female 1-16 day(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

22750 mg/kg

SEX/DURATION :

female 91 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - endocrine system Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

MUTATION DATA

TYPE OF TEST :

Phage inhibition capacity

TEST SYSTEM :

Bacteria - Escherichia coli

DOSE/DURATION :

100 mmol/L

REFERENCE :

MDMIAZ Medycyna Doswiadczalna i Mikrobiologia. For English translation, see EXMMAV. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.1- 1949- Volume(issue)/page/year: 31,11,1979 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 7,85,1974 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 7,85,1974 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW ADVPA3 Advances in Pharmacology. (New York, NY) V.1-6, 1962-68. For publisher information, see AVPCAQ. Volume(issue)/page/year: 4,263,1966 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - E0277 No. of Facilities: 6 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 1776 (estimated) No. of Female Employees: 634 (estimated)

毒理学数据：

二、毒理学数据：

1、急性毒性：大鼠腹腔LDLo：1500 mg/kg；

             小鼠经口LD50：3900 mg/kg；

2、   慢性毒性/致癌性

大鼠经口TDLo：10 mg/kg/14W-C；

小鼠经口TDLo：184 mg/kg/73W-C；

3、   生殖毒性

大鼠经口TDLo：1600 mg/kg；

大鼠经口TDLo：22750 mg/kg；

生态数据：

三、生态学数据：

1、其它有害作用：该物质对环境可能有危害，对水体应给予特别注意。

分子结构数据

 五、分子性质数据：

1、  摩尔折射率：32.95

2、  摩尔体积（cm³/mol）：87.4

3、  等张比容（90.2K）：73.9

4、  表面张力（dyne/cm）：70.9

5、  极化率（10^-24cm³）：13.06