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N,N-二甲基脲

N,N-二甲基脲名称

[ CAS 号 ]:
598-94-7

[ 中文名 ]:
N,N-二甲基脲

[ 英文名 ]:
1,1-DIMETHYLUREA

[中文别名 ]:

[英文别名 ]:

1,1-dimethylurea
EINECS 202-498-7
MFCD00007959

N,N-二甲基脲物理化学性质

[ 密度 ]:
1.023g/cm3

[ 沸点 ]:
130.4ºC at 760 mmHg

[ 熔点 ]:
178-183 °C(lit.)

[ 分子式 ]:
C₃H₈N₂O

[ 分子量 ]:
88.10840

[ 闪点 ]:
32.7ºC

[ 精确质量 ]:
88.06370

[ PSA ]:
46.33000

[ LogP ]:
0.32700

[ 外观性状 ]:
白色至灰白色结晶粉末

[ 折射率 ]:
1.452

[ 储存条件 ]:
室温，密封，干燥

[ 水溶解性 ]:
可溶

N,N-二甲基脲MSDS

N,N-二甲基脲毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YS9867985

CHEMICAL NAME :: Urea, 1,1-dimethyl-

CAS REGISTRY NUMBER :: 598-94-7

BEILSTEIN REFERENCE NO. :: 1740666

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C3-H8-N2-O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/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: 19,1073,1969

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 6610 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - tremor Lungs, Thorax, or Respiration - cyanosis

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 54,188,1935

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N,N-二甲基脲安全信息

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
YS9867985

[ 海关编码 ]:
2924199090

N,N-二甲基脲合成路线

N,N-二甲基脲海关

[ 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%

N,N-二甲基脲文献

A synthesis of phosphorylated dioxohexahydropyrimidines from N,N'-dimethylurea, activated acetylenes, and trialkyl phosphites.

Mol. Divers. 14(4) , 617-20, (2010)

An efficient synthesis of alkyl 5-(dialkoxy- phosphoryl)-1,3-dimethyl-2, 6-dioxo-hexahydropyrimidine-4-carboxylates is described. This involves the reaction of N,N'-dimethylurea and dialkyl acetylendi...

Utilization of wheat straw for the preparation of coated controlled-release fertilizer with the function of water retention.

J. Agric. Food Chem. 60(28) , 6921-8, (2012)

With the aim of improving fertilizer use efficiency and minimizing the negative impact on the environment, a new coated controlled-release fertilizer with the function of water retention was prepared....

Denaturation behavior of alpha-chymotrypsinogen A in urea and alkylurea solutions: fluorescence studies.

J. Protein Chem. 13(3) , 323-31, (1994)

The solvent denaturation of alpha-chymotrypsinogen (alpha-ctg A) in aqueous solution of urea, methyl-, N,N'-dimethyl-, ethyl-, propyl- and butylurea was studied by fluorescence measurements. Data were...

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