CAS 86-81-7 | 3,4,5-Trimethoxybenzaldehyde

Properties:

White to slightly yellow needle shaped crystals.

Melting point: 74-75 ℃.

Density 1.2166
Boiling point 163-165 ° C
Flash point 163-165 ° C
Slightly soluble in water

 

Application:

Used as an intermediate for sulfonamide and antibacterial enhancers TMP.

Field	Main Uses
Pharmaceutical Intermediates	•Intermediate for Trimethoprim (TMP), a major antibacterial API • Synthesis of trimazosin (antihypertensive) • Synthesis of tretoquinol (trimethoquinol) (bronchodilator) • Intermediate for HDAC inhibitors (anticancer agents)• Building block for anti‑Parkinson's drug derivatives
Fragrance & Flavor	• Sweet, woody aroma; used as a vanillin substitute in perfumes • Food flavor additive (EFSA approved, FL No. 05.151)
Organic Synthesis	• Versatile building block for pyrimidines, phenethylamines, and liquid crystals • Monomer for functional polymers and 3D‑printing resins
Agrochemicals	• Intermediate for fungicides and plant growth regulators

 

Upstream raw materials:

vanillin, potassium ferrocyanide with p-hydroxybenzaldehyde
Downstream products:

Mustard acid, Syriac aldehyde, 3- (3,4,5-trimethoxyphenyl) propionic acid, 3,4,5-trimethoxybenzoic acid, 3,4,5-trimethoxyphenol, 3,4,5-trimethoxytoluene

 

Synonyms:

TMBA
AI3-36673
Trimetazidine Impurity 9
3,4,5-tiMethoxybenzaldehyde
3,4,5-Trimethoxybenzaldehyde
Benzaldehyde, 3,4,5-trimethoxy-
Three, four, five - preparation benzaldehyde

 

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