1,2,3,4-Butanetetracarboxylic 1,2:3,4-dianhydride
[CAS# 4534-73-0]

Identification

• Name: 1,2,3,4-Butanetetracarboxylic 1,2:3,4-dianhydride
• Synonyms: 1,2,3,4-Butanetetracarboxylic acid dianhydride
• Molecular Formula: C₈H₆O₆
• Molecular Weight: 198.13
• CAS Registry Number: 4534-73-0
• EC Number: 224-877-6

Properties

• Solubility: Insoluble (3.2E^-3 g/L) (25 °C), Calc.^*
• Density: 1.662±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 242-243.5 °C^**

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

^** Tomilov, A. P.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
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