Diethyl Disulfide

Description

Ethyl disulfide · CAS 110-81-6 · C4H10S2. UNII X2SFL51MH0. Boiling Point: 152.00 °C. @ 760.00 mm Hg; Boiling Point: 151-152 °C; Melting Point: -101.5 °C.

Identification

CAS Registry Number	110-81-6
PubChem CID	8077
Molecular formula	C4H10S2
IUPAC name	(ethyldisulfanyl)ethane
UNII (FDA)	X2SFL51MH0
FEMA number	4093
JECFA number	1699

Computed Descriptors

Molecular Weight	122.3
XLogP3	1.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	3
Exact Mass	122.02239267
Monoisotopic Mass	122.02239267
Topological Polar Surface Area	50.6
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	152.00 °C. @ 760.00 mm Hg
Boiling Point	151-152 °C
Melting Point	-101.5 °C
Solubility	0.3 mg/mL at 25 °C
Density	0.990-0.996
Vapor Pressure	4.28 [mmHg]
Refractive Index	1.502-1.508

Physical description & handling notes

• Light yellow liquid with a stench; [Sigma-Aldrich MSDS]
• Liquid
• Colourless to yellowish liquid; Onion/cabbage odour
• Practically insoluble to insoluble in water
• Soluble (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Cabbage, Carbide, Roasted Onion, Rubber, Sulfur No safety concern at current levels of intake when used as a flavouring agent

GHS Hazard Classification

Reported hazard statements	H226 (100%), H315 (54.3%), H319 (56.7%), H335 (55.5%)

Documented Uses

• Used as a flavoring agent; [FDA]
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index

Synonyms

DIETHYL DISULFIDE; 110-81-6; Ethyl disulfide; Disulfide, diethyl; (ethyldisulfanyl)ethane; Diethyl disulphide; Ethyldithioethane; 3,4-Dithiahexane; Ethyl disulphide; Diethyldisulfid; Diethyldisulfid [Czech]; NSC 8839; 1,1'-dithiodiethane; EINECS 203-805-7; X2SFL51MH0; AI3-32579

Frequently Asked Questions

What are the CAS number and molecular formula of Ethyl disulfide?

CAS 110-81-6; molecular formula C4H10S2; molecular weight — g/mol.

What other names is Ethyl disulfide known by?

DIETHYL DISULFIDE, 110-81-6, Ethyl disulfide, Disulfide, diethyl, (ethyldisulfanyl)ethane, Diethyl disulphide.

What is the regulatory status of Ethyl disulfide?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is Ethyl disulfide classified as hazardous?

Hazard statements reported: H226, H315, H319, H335.

What are the key physical properties of Ethyl disulfide?

Boiling Point: 152.00 °C. @ 760.00 mm Hg; Boiling Point: 151-152 °C; Melting Point: -101.5 °C; Solubility: 0.3 mg/mL at 25 °C.

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.