聚氨酯

Name: 聚氨酯
Brand: 济南圣和化工有限公司

CAS 51-79-6C3H7NO2MW 89.09

聚氨酯，CAS 登记号 51-79-6，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号51-79-6

分子式C3H7NO2

分子量89.09

熔点118 to 122 °F (NTP, 1992)

沸点360 to 363 °F at 760 mmHg (NTP, 1992)

LogP-0.2

纯度按批次COA提供(不公开发布)

包装按订单/批次确认(不公开发布)

应用领域有机化学品

类别有机化学品

用途与场景

有机化学品

包装与供货

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到聚氨酯的 CAS 号？

本页已列出聚氨酯的 CAS 号：51-79-6，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

聚氨酯一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

Urethane · CAS 51-79-6 · C3H7NO2. UNII 3IN71E75Z5. Boiling Point: 360 to 363 °F at 760 mmHg (NTP, 1992); Boiling Point: 185; Boiling Point: 185 °C.

Identification

CAS Registry Number	51-79-6
PubChem CID	5641
Molecular formula	C3H7NO2
IUPAC name	ethyl carbamate
UNII (FDA)	3IN71E75Z5

Computed Descriptors

Molecular Weight	89.09
XLogP3	-0.2
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	89.047678466
Monoisotopic Mass	89.047678466
Topological Polar Surface Area	52.3
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	360 to 363 °F at 760 mmHg (NTP, 1992)
Boiling Point	185
Boiling Point	185 °C
Boiling Point	185.00 °C. @ 760.00 mm Hg
Melting Point	118 to 122 °F (NTP, 1992)
Melting Point	49
Melting Point	49 °C
Melting Point	48.5 - 50 °C
Flash Point	198 °F (NTP, 1992)
Flash Point	92 °C c.c.

Physical description & handling notes

Urethane appears as odorless colorless crystals or white powder. Sublimes readily at 217 °F and 54 mmHg. Cooling saline taste.
Water-soluble crystals or white powder; [CAMEO]
Solid
ODOURLESS COLOURLESS CRYSTALS. PELLETS OR WHITE GRANULAR POWDER.
Colorless, columnar crystals or white, granular powder
Prisms from benzene and toluene

Regulatory Status

Regulatory & Food Contact	CONTAMINANT: Food Contaminant TRS 930-JECFA 64/31 FAS 55-JECFA 64/205

GHS Hazard Classification

Reported hazard statements	H350, H302 (27.1%), H312, H336, H341, H361, H373, H340

H350: May cause cancer [Danger Carcinogenicity]

P203, P280, P318, P405, and P501 (click each P-code to see the statement)

Documented Uses

Used as an antineoplastic agent, veterinary anesthetic, and chemical intermediate; [ChemIDplus] Used as an intermediate, amino resin modifier, solvent, and animal anesthetic; Occurs naturally in fermented wines and foods; [Merck Index]
SOLUBILIZER & CO-SOLVENT FOR COSMETICS.
AS CHEMICAL INTERMEDIATE, PRIMARILY FOR REACTION WITH FORMALDEHYDE TO PRODUCE N-HYDROXYMETHYL DERIVATIVES, WHICH ARE USEFUL AS CROSS LINKING AGENTS IN TEXTILE TREATMENTS DESIGNED TO IMPART WASH AND WEAR PROPERTIES TO FABRICS.
For more Uses (Complete) data for ETHYL CARBAMATE (6 total), please visit the HSDB record page.
Small quantities of ethyl carbamate are still used in laboratories as an anesthetic for animals. Ethyl carbamate is found in many alcoholic beverages, especially distilled spirits.
Food Contaminant -> CONTAMINANT -> JECFA Functional Classes

Synonyms

urethane; ETHYL CARBAMATE; 51-79-6; Carbamic acid, ethyl ester; Leucethane; Pracarbamine; Carbamic acid ethyl ester; Ethyl urethane; Ethylcarbamate; Ethylurethane; O-Ethylurethane; Pracarbamin; Ethyl urethan; Leucothane; U-Compound; Aethylcarbamat

Frequently Asked Questions

What are the CAS number and molecular formula of Urethane?

CAS 51-79-6; molecular formula C3H7NO2; molecular weight — g/mol.

What other names is Urethane known by?

urethane, ETHYL CARBAMATE, 51-79-6, Carbamic acid, ethyl ester, Leucethane, Pracarbamine.

What is the regulatory status of Urethane?

Documented regulatory listings: CONTAMINANT: Food Contaminant; TRS 930-JECFA 64/31; FAS 55-JECFA 64/205.

Is Urethane classified as hazardous?

Hazard statements reported: H350, H302, H312, H336, H341.

What are the key physical properties of Urethane?

Boiling Point: 360 to 363 °F at 760 mmHg (NTP, 1992); Boiling Point: 185; Boiling Point: 185 °C; Boiling Point: 185.00 °C. @ 760.00 mm Hg.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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