N-乙基脲

Ethylurea

HCID 12254CAS 625-52-5
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基本信息

标准SMILES
CCNC(N)=O
InChIKey
RYECOJGRJDOGPP-UHFFFAOYSA-N
分子式
C3H8N2O
平均分子量
88.11 g/mol
单同位素质量
88.06366288

概述

See also: Polyurethane (annotation moved to).

名称与标识

首选名称
Ethylurea
IUPAC
ethylurea
中文名
N-乙基脲
英文名
Ethylurea
分子式
C3H8N2O
分子量
88.11

名称与别名

EthylureaN-ETHYLUREA625-52-51-EthylureaUrea, ethyl-7K14B03X18NSC-53556DTXSID20873854RefChem:921324DTXCID3011929210-898-8Urea, 1-ethyl-
展开更多名称
乙脲乙基脲乙基尿素N-乙基脲乙基脲,97%乙基尿素,98%ethyl-ureethvlureaETHANOLUREA1-ethyl-ureurea,ethyl-Ethylurea>monoethylurea
Urea, N-ethyl-ethyl urea9009-54-5EINECS 210-898-8MFCD00007953NSC 53556UNII-7K14B03X18AI3-52220

数据库标识

CAS
625-52-5、9009-54-5
PubChem CID
12254
DTXSID
DTXSID20873854
UNII
7K14B03X18
EC Number
210-898-8、618-449-1
Nikkaji
J3.010D

性质

结构计算性质

XLogP
-0.7
极性表面积
55.1 Ų
氢键供体
2
氢键受体
1
可旋转键
1
重原子
6

实验与物化性质

PolymersPlastics & Rubber -> Polymers
SpringerMaterials Properties15N nuclear magnetic resonance spectrum
PesticidesEnvironmental transformation -> Pesticide transformation products (metabolite, successor)
LogP-0.74
Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR
Physical DescriptionSolid; [Elite Foam MSDS]

物理化学性质

熔点
87 · 87-90 °C (lit.)
沸点
163.08 °C · 163.08°C (rough estimate)
密度
1.213 · 1.2130
折射率
1.4715 · 1.4715 (estimate)
闪点
93 °C · 93 °C
储存条件
Sealed in dry,Room Temperature

化学性质

乙基脲纯品为白色结晶，m.p.92℃，工业品为白色鳞片状固体，易吸潮，在水中溶解度很大。

安全与法规

GHS分类

GHS Classification · 6 条

This chemical does not meet GHS hazard criteria for 33.3% (1 of 3) of reports.

Warning

H315 (66.7%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 3 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

This chemical does not meet GHS hazard criteria for 100% (3 of 3) of all reports.

危害信息

Regulatory Information · 2 条

Chemical: Urea, ethyl-

Urea, ethyl-: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryHuman inhalation of 12 mg/m3 for 11 weeks causes visual field changes; [RTECS] Dust may cause mechanical irritation; [Elite Foam MSDS] See DIISOCYANATES.
Hazard Classes and Categories · 2 条

Skin Irrit. 2 (66.7%)

Not Classified

安全与防护

Protective Action Criteria (PAC) · 3 条

120 [mg/m3]

1300 [mg/m3]

7900 [mg/m3]

毒理信息

Carcinogen Classification · 6 条

Polyurethane foams

Group 3: Not classifiable as to its carcinogenicity to humans

Volume 19: (1979) Some Monomers, Plastics and Synthetic Elastomers, and Acrolein

1987

1987

NB This CAS No. has been deleted.

安全数据

wgk
3
tsca
TSCA listed
RTECS号
YT2335000
包装类别
III
存储类别
11 - Combustible Solids
安全说明
22-24/25

化学与工业

用途与制造

UsesWidely used foam insulation. [ChemIDplus] Polyurethane refers to a group of similar polymers with applications including furniture, household products, and biological products; [REPROTOX]
Use ClassificationEnvironmental transformation -> Pesticide transformation products (metabolite, successor)
General Manufacturing InformationUrea, N-ethyl-: ACTIVE

应用领域

用途乙基脲是杀菌剂霜脲氰的中间体。

用途用于医药、农药合成的中间体

制备方法

生产方法其制备方法是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。

上下游产品信息

试剂价格

B24040 · 100g
乙基尿素, 98%Ethylurea, 98% — 1829元
E0192 · 25G
乙基脲Ethylurea — 130元

供应商39 家

Shandong chuangyingchemical Co., Ltd.18853181302 · [email protected]
武汉吉业升化工有限公司027-83360216 18040558719 · [email protected]
Hebei Yanxi Chemical Co., Ltd.+86-17531190177 · [email protected]
武汉吉业升化工有限公司15387013945 · [email protected]
武汉吉业升化工有限公司13545274181 · [email protected]

相关反应

14 条
新建反应记录

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