1,2,4-Benzenetricarboxylic acid
[CAS# 528-44-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Aromatic acid
• Name: 1,2,4-Benzenetricarboxylic acid
• Synonyms: Trimellitic acid; Benzene-1,2,4-tricarboxylic acid
• Molecular Formula: C₉H₆O₆
• Molecular Weight: 210.14
• CAS Registry Number: 528-44-9
• EC Number: 208-432-3

Properties

• Melting point: 229-231 ºC
• Water solubility: 2.1 g/100 mL (25 ºC)

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Respiratory sensitization	Resp. Sens.	1	H334
Serious eye damage	Eye Dam.	1	H318
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302