<生产厂家价格>

乙基脲

乙基脲用途

【用途一】
用于医药、农药合成的中间体
【用途二】
乙基脲是杀菌剂霜脲氰的中间体。

乙基脲名称

[ CAS 号 ]:
625-52-5

[ 中文名 ]:
乙基脲

[ 英文名 ]:
Ethylurea

[中文别名 ]:

[英文别名 ]:

urea,ethyl
monoethylurea
MFCD00007953
N-ETHYLUREA
EINECS 210-898-8
ethyl-ure
ETHANOLUREA
1-ethyl-ure
ethvlurea

乙基脲物理化学性质

[ 密度 ]:
1.005 g/cm3

[ 沸点 ]:
136.3ºC at 760 mmHg

[ 熔点 ]:
87-90 °C(lit.)

[ 分子式 ]:
C₃H₈N₂O

[ 分子量 ]:
88.10840

[ 闪点 ]:
93 °C

[ 精确质量 ]:
88.06370

[ PSA ]:
55.12000

[ LogP ]:
0.76580

[ 外观性状 ]:
米色至白色固体

[ 储存条件 ]:
室温

[ 水溶解性 ]:
soluble

乙基脲MSDS

乙基脲毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YT2335000

CHEMICAL NAME :: Urea, ethyl-

CAS REGISTRY NUMBER :: 625-52-5

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C3-H8-N2-O

MOLECULAR WEIGHT :: 88.13

WISWESSER LINE NOTATION :: ZVM2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >250 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 6610 mg/kg

TOXIC EFFECTS :: Behavioral - general anesthetic Behavioral - somnolence (general depressed activity)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2 gm/kg

SEX/DURATION :: female 10 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Protozoa - Chlamydomonas reinhardi

DOSE/DURATION :: 400 mmol/L

REFERENCE :: FOMIAZ Folia Microbiologica (Prague). (Academia, Vodickova 40, 112 29 Prague 1, Czechoslavakia) V.4- 1959- Volume(issue)/page/year: 20,452,1975

乙基脲安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xn: Harmful;

[ 风险声明 (欧洲) ]:
R68

[ 安全声明 (欧洲) ]:
S22-S24/25

[ 危险品运输编码 ]:
1325

[ WGK德国 ]:
3

[ RTECS号 ]:
YT2335000

[ 包装等级 ]:
III

[ 海关编码 ]:
2924199090

乙基脲合成路线

乙基脲上下游产品

乙基脲上游产品

乙基脲下游产品

乙基脲制备

在甲苯存在下，尿素与乙胺反应制得。在反应釜中加入甲苯、尿素，加盖密封，搅拌加热到一定温度，随后通入定量的乙胺，通毕继续搅拌0.5h，冷至40～50℃，将物料放至结晶锅，继续冷至0～5℃，过滤，干燥，得白色鳞片状结晶为成品。

乙基脲海关

[ 海关编码 ]: 2924199090

[ 中文概述 ]:
2924199090. 其他无环酰胺（包括无环氨基甲酸酯)(包括其衍生物及盐）. 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, 包装

[ Summary ]:
2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

乙基脲文献

Solvation of human serum albumin in aqueous alkylurea solutions.

Int. J. Pept. Protein Res. 42(4) , 320-5, (1993)

Solvation of human serum albumin in aqueous solutions of urea, methyl-, N,N'-dimethyl-, and ethylurea was studied by density measurements. From the densities at constant molality and constant chemical...

Inhibition of HIV-1 infection by alkylureas.

AIDS 5(12) , 1447-52, (1991)

The risk of infection by HIV-1 through transfusion of contaminated blood products has been markedly decreased but not eliminated by serological screening of donors. Methods are required to further min...

Neoplasia induced in male rats fed lead acetate, ethyl urea, and sodium nitrite.

Toxicol. Pathol. 13(1) , 50-7, (1985)

Sprague-Dawley rats were exposed to 0, 26, or 2600 ppm lead as lead acetate in drinking water for 76 weeks. At 28 weeks of lead exposure, a portion of each group was exposed simultaneously to 6.36 g/k...

更多文献

乙基脲