1,3,4,6-Tetrathiapentalene-2,5-dione
[CAS# 64394-45-2]

Identification

• Name: 1,3,4,6-Tetrathiapentalene-2,5-dione
• Synonyms: [1,3]Dithiolo[4,5-d]-1,3-dithioledione; Thiapendione
• Molecular Formula: C₄O₂S₄
• Molecular Weight: 208.31
• CAS Registry Number: 64394-45-2
• EC Number: 622-328-9

Properties

• Solubility: Very slightly soluble (0.13 g/L) (25 °C), Calc.^*
• Density: 2.05±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 179-181 °C (chloroform )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Schumaker, R. R.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin sensitization	Skin Sens.	1	H317
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H312
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Respiratory sensitization	Resp. Sens.	1	H334