Thiodiglycol

Description

Thiodiglycol · CAS 111-48-8 · C4H10O2S. UNII 9BW5T43J04. Boiling Point: 282 °C; Boiling Point: 282.00 °C. @ 760.00 mm Hg; Melting Point: -10.2 °C.

Identification

CAS Registry Number	111-48-8
PubChem CID	5447
Molecular formula	C4H10O2S
IUPAC name	2-(2-hydroxyethylsulfanyl)ethanol
UNII (FDA)	9BW5T43J04

Computed Descriptors

Molecular Weight	122.19
XLogP3	-0.6
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	4
Exact Mass	122.04015073
Monoisotopic Mass	122.04015073
Topological Polar Surface Area	65.8
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	282 °C
Boiling Point	282.00 °C. @ 760.00 mm Hg
Melting Point	-10.2 °C
Melting Point	-18 - -10 °C
Melting Point	-16 °C
Flash Point	113 °C (235 °F) - closed cup
Flash Point	320 °F (160 °C) (Closed cup)
Flash Point	160 °C o.c.
Solubility	1000 mg/mL at 20 °C
Density	1.1793 g/cu cm at 25 °C

Physical description & handling notes

• This material has many uses, including as a precursor to the sulfur mustard family of chemical weapons. It is chemically similar to thioglycol and is expected to react in a similar way to this material. See the chemical datasheet for thioglycol for more information.
• Liquid
• Colorless viscous liquid; [ICSC] Colorless to yellowish liquid with an unpleasant odor; [Reference #1] Colorless or pale yellow liquid with a stench; [Alfa Aesar MSDS]
• COLOURLESS VISCOUS LIQUID WITH CHARACTERISTIC ODOUR.
• Syrupy, colorless, liquid
• Characteristic odor

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Antioxidant

GHS Hazard Classification

Reported hazard statements	H319, H335

Documented Uses

• Manufacture and export strictly controlled under the International Chemical Weapons Convention (can be used to make sulfur mustard); [OECD SIDS: Thiodiglycol - 2004]
• Pulp and Paper Processing [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Intermediate for elastomers and antioxidants; solvent for dyes in textile printing.
• Thiodiglycol is used as a precursor for sulfur mustard ... It is also an important primary metabolite of sulfur mustard formed by simple hydrolysis.

Synonyms

thiodiglycol; 2,2'-Thiodiethanol; 111-48-8; Thiodiethylene glycol; Thiodiethanol; Tedegyl; Kromfax solvent; Bis(2-hydroxyethyl) sulfide; 2,2'-THIOBISETHANOL; Bis(2-hydroxyethyl)sulfide; 2-(2-hydroxyethylsulfanyl)ethanol; Ethanol, 2,2'-thiobis-; Glyecine A; 2,2'-Thiodiglycol; Tiodiglicol; Di(2-hydroxyethyl) sulfide

Frequently Asked Questions

What are the CAS number and molecular formula of Thiodiglycol?

CAS 111-48-8; molecular formula C4H10O2S; molecular weight — g/mol.

What other names is Thiodiglycol known by?

thiodiglycol, 2,2'-Thiodiethanol, 111-48-8, Thiodiethylene glycol, Thiodiethanol, Tedegyl.

What is the regulatory status of Thiodiglycol?

Documented regulatory listings: CIR / INCI: Antioxidant.

Is Thiodiglycol classified as hazardous?

Hazard statements reported: H319, H335.

What are the key physical properties of Thiodiglycol?

Boiling Point: 282 °C; Boiling Point: 282.00 °C. @ 760.00 mm Hg; Melting Point: -10.2 °C; Melting Point: -18 - -10 °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.