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
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
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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