3,4,5-Trimethoxybenzoic anhydride
[CAS# 1719-88-6]

Identification

• Name: 3,4,5-Trimethoxybenzoic anhydride
• Synonyms: NSC 40557
• Molecular Formula: C₂₀H₂₂O₉
• Molecular Weight: 406.38
• CAS Registry Number: 1719-88-6 (29970-22-7)
• EC Number: 217-010-8

Properties

• Solubility: Practically insoluble (0.061 g/L) (25 ºC), Calc.^*
• Density: 1.228±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 159.5-160 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Cabre-Castellvi, J.; Synthesis 1981, (8), P616-20.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315