Vanillin

CAS Number: 121-33-5

Molecular Formula: C8H8O3

About Vanillin

4-Hydroxy-3-methoxybenzaldehyde (CAS 121-33-5) remains a cornerstone of the North American aromachemicals market, where domestic bulk chemical suppliers are increasingly prioritizing high purity fine chemicals to meet stringent FDA and GRAS requirements for premium food and beverage applications. Methylprotocatechuic a...

Synonyms

4-hydroxy-3-methoxybenzaldehyde
5-bromovanillin
5-chlorovanillin
vanillaldehyde
vanillin

View all

Vanillin Specifications

CAS Number

121-33-5

Molecular Formula

C8H8O3

Molecular Weight

152.15 g/mol

IUPAC Name

4-hydroxy-3-methoxybenzaldehyde

Canonical SMILES

COC1=C(C=CC(=C1)C=O)O

InChI Key

MWOOGOJBHIARFG-UHFFFAOYSA-N

InChI

InChI=1S/C8H8O3/c1-11-8-4-6(5-9)2-3-7(8)10/h2-5,10H,1H3

CAS Number

121-33-5

Molecular Formula

C8H8O3

Molecular Weight

152.15 g/mol

IUPAC Name

4-hydroxy-3-methoxybenzaldehyde

Canonical SMILES

COC1=C(C=CC(=C1)C=O)O

InChI Key

MWOOGOJBHIARFG-UHFFFAOYSA-N

InChI

InChI=1S/C8H8O3/c1-11-8-4-6(5-9)2-3-7(8)10/h2-5,10H,1H3

melting_point

178 to 181 °F (NTP, 1992)

boiling_point

545 °F at 760 mmHg (NTP, 1992)

solubility

Slightly soluble (NTP, 1992)

density

1.056 at 68 °F (NTP, 1992) - Denser than water; will sink

logP

log Kow = 1.37

Molecular Weight

152.15 g/mol

Flavoring Agent

A primary aroma constituent used extensively in the food and beverage industry to provide a sweet, creamy vanilla flavor in baked goods, confectionery, dairy products, and spirits

Fragrance Intermediate

A versatile aromatic compound utilized in the production of perfumes, cosmetics, and personal care products to enhance scent longevity and blend floral or woody notes

Pharmaceutical Intermediate

A functionalized phenolic aldehyde employed as a critical building block in the synthesis of active pharmaceutical ingredients, including drugs for Parkinson’s disease and hypertension

Analytical Reagent

A chemical substrate used in chromatography spray reagents and laboratory research for the detection of biochemical compounds and the synthesis of Schiff-base ligands.