制备方法

由丙酮氰醇与碳酸铵水溶液在50-80℃进行反应而得。

合成制备方法

由丙酮氰醇与碳酸铵水溶液在50-80℃进行反应而得。

用途简介

可用于氨基酸的合成，也可用作杀菌消毒剂，环氧树脂等。

用途

用于氨基酸合成，还可作为特种环氧树脂和水溶性树脂、杀菌剂、防腐剂等。其衍生物如1,3-二氯-5,5-二甲基乙内酰脲可用作氯化剂、消毒杀菌剂，3-羟甲基-5,5-二甲基乙内酰脲可用作甲醛化剂、防腐剂等。

海关代码：

2933990090

危险类别码：

R36/37/38

安全说明：

S24/25

安全标志：

S22:不要吸入粉尘。
S24/25:防止皮肤和眼睛接触。

危险标志：

Xi

CHEMICAL IDENTIFICATION

RTECS NUMBER :

MU0977000

CHEMICAL NAME :

Hydantoin, 5,5-dimethyl-

CAS REGISTRY NUMBER :

77-71-4

BEILSTEIN REFERENCE NO. :

0002827

LAST UPDATED :

199701

DATA ITEMS CITED :

10

MOLECULAR FORMULA :

C5-H8-N2-O2

MOLECULAR WEIGHT :

128.15

WISWESSER LINE NOTATION :

T5MVMV EHJ E1 E1

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 :

7800 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Lungs, Thorax, or Respiration - dyspnea

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 47(6),76,1982

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

2800 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 4,723,1954

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

10 gm/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

12660 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - rigidity (including catalepsy) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 47(6),76,1982

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

8430 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - withdrawal Lungs, Thorax, or Respiration - dyspnea

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 47(6),76,1982

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

5600 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

15950 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2464 mg/kg/22W-I

TOXIC EFFECTS :

Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - catalases

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 46(5),69,1981 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1156 No. of Facilities: 230 (estimated) No. of Industries: 3 No. of Occupations: 8 No. of Employees: 1125 (estimated)

毒理学数据：

1、急性毒性

大鼠口径LD50:7800mg/kg；小鼠皮下LD50: 2800mg/kg；

小鼠LD50: 10mg/kg；

兔子口径LD50: 12660mg/kg；

猪口径LD50: 8430mg/kg；猪LD50: 5600g；

哺育动物LD50: 15950g；

2、其他多剂量毒性数据

大鼠口径LD50: 2464 mg/kg/22W-I

中国海关编码：2933990090

概述：

2933990090. 其他仅含氮杂原子的杂环化合物. 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:20.0%

申报要素：

品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期

摘要/Summary：

2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

分子结构数据

      1、   摩尔折射率：30.11

2、   摩尔体积（cm³/mol）：112.1

3、   等张比容（90.2K）：263.7

4、   表面张力（dyne/cm）：30.5

5、   极化率（10^-24cm³）：11.93

计算化学数据

1.疏水参数计算参考值（XlogP）:无

2.氢键供体数量:2

3.氢键受体数量:2

4.可旋转化学键数量:0

5.互变异构体数量:5

6.拓扑分子极性表面积58.2

7.重原子数量:9

8.表面电荷:0

9.复杂度:174

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

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  5
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  5-二甲基海因红外图谱(IR2)
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  5
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  5-二甲基海因质谱(MS)
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  5