乙硫醚

Name: 乙硫醚
Brand: 济南圣和化工有限公司

CAS 420-12-2C2H4SMW 60.12

乙硫醚，CAS 登记号 420-12-2，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420-12-2

分子式C2H4S

分子量60.12

熔点-109 °C

沸点decomposes at 57 °C

LogP0.6

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

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储存条件密封、阴凉干燥处保存

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主要涉及有机化学品。

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PubChem 公开数据

Description

Ethylene sulfide · CAS 420-12-2 · C2H4S. UNII A2W5165740. Boiling Point: decomposes at 57 °C; Melting Point: -109 °C; Density: 1.0130 g/cu cm at 20 °C.

Identification

CAS Registry Number	420-12-2
PubChem CID	9865
Molecular formula	C2H4S
IUPAC name	thiirane
UNII (FDA)	A2W5165740

Computed Descriptors

Molecular Weight	60.12
XLogP3	0.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	60.00337130
Monoisotopic Mass	60.00337130
Topological Polar Surface Area	25.3
Heavy Atom Count	3
Formal Charge	0

Physical & Chemical Properties

Boiling Point	decomposes at 57 °C
Melting Point	-109 °C
Density	1.0130 g/cu cm at 20 °C
Vapor Pressure	250.0 [mmHg]
Vapor Pressure	250 mm Hg at 25 °C

Physical description & handling notes

Colorless liquid; [HSDB]
Colorless liquid
Slightly soluble in ethanol and ether; soluble in acetone and chloroform
Polymerizes gradually.
Index of refraction: 1.4935 at 20 °C
Heat of formation = 51.6 kJ/mol (liq); 82.0 kJ/mol (gas). Gibbs free energy = 96.8 kJ/mol (gas). Entropy = 255.2 J/molK (gas)

GHS Hazard Classification

Reported hazard statements	H225 (100%), H301 (100%), H318 (97.6%), H331 (97.6%), H320, H370

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]

Documented Uses

Used as a chemical intermediate; [HSDB]
...SYNTHESIZED BY REACTION OF 2-HALOETHYLTHIOCYANATES WITH SODIUM SULFIDE. OTHER METHODS...INCL...(1) REACTION OF ETHYLENE CARBONATE WITH SODIUM OR POTASSIUM THIOCYANATE; (2) REACTION OF ETHYLENE MONOTHIOCARBONATE WITH SODIUM CARBONATE... ...METHODS OF SYNTHESIS INCL...(3) REACTION OF ETHYLENE OXIDE WITH THIOUREA, INORGANIC THIOCYANATES OR CARBONYL SULFIDE.
PROBABLY BY REACTION OF ETHYLENE OXIDE WITH POTASSIUM THIOCYANATE OR THIOUREA IN AQUEOUS SOLUTION
(1979) NO EVIDENCE OF COMMERCIAL PRODN IN U.S.
(1981) NO EVIDENCE OF COMMERCIAL PRODN IN U.S.

Synonyms

Thiirane; ETHYLENE SULFIDE; 420-12-2; Thiacyclopropane; Ethylene sulphide; 2,3-Dihydrothiirene; Sulfurane; Thiiran; Ethylene episulfide; Ethylene episulphide; Aethylensulfid; Thiirene, 2,3-dihydro-; DTXSID3049411; A2W5165740; NSC-89690; DTXCID2029371

Frequently Asked Questions

What are the CAS number and molecular formula of Ethylene sulfide?

CAS 420-12-2; molecular formula C2H4S; molecular weight — g/mol.

What other names is Ethylene sulfide known by?

Thiirane, ETHYLENE SULFIDE, 420-12-2, Thiacyclopropane, Ethylene sulphide, 2,3-Dihydrothiirene.

Is Ethylene sulfide classified as hazardous?

Hazard statements reported: H225, H301, H318, H331, H320.

What are the key physical properties of Ethylene sulfide?

Boiling Point: decomposes at 57 °C; Melting Point: -109 °C; Density: 1.0130 g/cu cm at 20 °C; Vapor Pressure: 250.0 [mmHg].

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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