Thiolan-2-one
[CAS# 1003-10-7]

Identification

• Name: Thiolan-2-one
• Synonyms: NSC 54087; Tetrahydro-2-thiophenone; Tetrahydrothiophene-2-one; Thiacyclopentan-2-one; Thiacyclopentanone-2; Thiobutyrolactone
• Molecular Formula: C₄H₆OS
• Molecular Weight: 102.15
• CAS Registry Number: 1003-10-7
• EC Number: 213-700-8

Properties

• Solubility: Slightly soluble (4.2 g/L) (25 ºC), Calc.^*
• Density: 1.1778 g/cm³ (20 ºC)^**
• Melting point: 138 ºC (ethyl acetate )^***
• Boiling point: 110.5 ºC (52 Torr)^****
• Refractive index: 1.5242 (589.3 nm 20 ºC)^**
• Flash point: 87.6±12.3 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Holmberg, Bror; Arkiv foer Kemi, Mineralogi och Geologi 1940, V14A(No. 7), P22 pp..

^*** Larsson, Erik; Svensk Kemisk Tidskrift 1954, V66, P114-16.

^**** Yur'ev, Yu. K.; Zhurnal Obshchei Khimii 1952, V22, P509-13.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2A	H319
Acute toxicity	Acute Tox.	4	H332
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312
Skin irritation	Skin Irrit.	2	H315