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Mustard gas

Also known as: bis(2-chloroethyl) sulfide, bis(2-chloroethyl) sulphide, sulfur mustard, sulphur mustard, dichlorodiethyl sulfide, 2,2'-dichloroethyl sulfide, yperite, senfgas, HD, 1-chloro-2-[(2-chloroethyl)sulfanyl]ethane

Mustard gas (CAS 505-60-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H8Cl2S and a molecular weight of 159.07700 g/mol. Key properties include a melting point of 14.4ºC, a boiling point of 216ºC at 760mmHg, a density of 1.211g/cm3 and a flash point of 89.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
505-60-2
Jingsj CID
J-1317232-9
Molecular Formula
C4H8Cl2S
Molecular Weight
159.07700 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point14.4ºC
Boiling Point216ºC at 760mmHg
Density1.211g/cm3
Flash Point89.4ºC
Exact Mass157.97200
PSA25.30000
LogP2.19720
Refractive Index1.494

Customs & Trade Information

HS Code2930909014
Summary2930909014 bis(2-chloroethyl)sulfane。supervision conditions:3(export license for dual-use item and technologies)2(export license for dual-use item and technologies,import license for dual-use item and technologies)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Mustard gas?

The CAS number of Mustard gas is 505-60-2.

What are the molecular formula and molecular weight of Mustard gas?

Mustard gas has molecular formula C4H8Cl2S and molecular weight 159.07700 g/mol.

What are the upstream and downstream products of Mustard gas?

For Mustard gas, Upstream Products: Thiodiglycol, Vinyl chloride, Acetyl chloride; Downstream Products: Bis(2-mercaptoethyl) sulfide, Thiodiglycol, 1,4-Dithiane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Mustard gas (CAS 505-60-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1317232-9 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.