3,4,5-Trimethoxybenzaldehyde

3,4,5-三甲氧基苯甲醛

Also known as: 3,4,5-trimethoxy-benzaldehyde, Benzaldehyde, 3,4,5-trimethoxy-, 3,4,5-(OMe)3-C6H2CHO, 3,4,5-tri-MeO-C6H2CHO, tri-o-methylgallaldehyde

CAS No.
86-81-7
Jingsj CID
J-45286-5
Molecular Formula
C10H12O4
Chinese Name
3,4,5-三甲氧基苯甲醛
Molecular Weight
196.200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point72-74 °C(lit.)
Boiling Point311.4±37.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point136.8±26.5 °C

Frequently Asked Questions

What is the CAS number of 3,4,5-Trimethoxybenzaldehyde?

86-81-7

What are the molecular formula and molecular weight of 3,4,5-Trimethoxybenzaldehyde?

C10H12O4, molecular weight 196.200 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026