C7H8O2
124.14 g/mol
Flavor & FragranceWarning
Guaiacol
CAS90-05-1EC201-964-7
Category
Flavor & Fragrance
Compound Class
Aromatic
Primary Use
flavoring agent and fragrance ingredient
Guaiacol is an organic compound that appears as colorless to amber crystals or liquid. It is slightly soluble in water and soluble in aqueous sodium hydroxide, and it is primarily used as a flavoring agent and fragrance ingredient.
flavoring agent for non-alcoholic beverages and foodsfragrance ingredientantioxidant and anti-skinning agent in paints and coatings
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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flavoring agent and fragrance ingredient
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flavor and fragrance agent
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Flavor and fragrance ingredient
ReferenceSame Category
Methyl 3-methyl-2-butenoate
CAS924-50-5
Flavor and fragrance ingredient
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H318Causes serious eye damage
H332Harmful if inhaled
H336May cause drowsiness or dizziness
H370Causes damage to organs
H402Harmful to aquatic life
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Guaiacol (CAS 90-05-1) is 2909.50.
HS code (international, 6-digit)
2909.50
EU CN code (8-digit)
2909 50 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-methoxyphenol
InChIKey
LHGVFZTZFXWLCP-UHFFFAOYSA-N
SMILES
COC1=CC=CC=C1O
Synonyms (61)
- Guaiacol, European Pharmacopoeia (EP)
- Guaiacol, United States Pharmacopeia (USP)
- Guaiacol; Guaifenesin EP Impurity A
- (mu)-methoxyphenol
- 1-Hydroxy-2-methoxybenzene
- 2-(methyloxy)phenol
- 2-Hydroxyanisole
- 2-Methoxy-d3-phenol--d4
- 2-Methoxyphenol
- 2-Methoxyphenol (Standard)
- 2-methoxyl-4-vinylphenol
- 2-methoxyphenol (guaiacol)
- 3-methoxy-4-hydroxy benzene
- 6-methoxyphenol
- Anastil
- Catechol monomethyl ether
- Catechol, Methyl
- Creasote
- Creodon
- Creodon (TN)
- GUAIACOL [MART.]
- GUAIFENESIN IMPURITY A
- Guaiacol (JAN)
- Guaiacol (Standard)
- Guaiacol (natural)
- Guaiacol CRS
- Guaiacol, SAJ first grade
- Guaiacol, oxidation indicator
- Guaiacol, puriss.
- Guaiastil
- Guaicol
- Guaicolina
- Guajacol
- Guajakol
- Guajakol [Czech]
- Guajol
- Guasol
- Methoxyphenol
- Methylcatachol
- Methylcatechol
- O-Methyl catechol
- Phenol, 2-methoxy-
- Phenol, methoxy-
- Phenol, o-methoxy-
- Pyrocatechol methyl ester
- Pyrocatechol monomethyl ether
- Pyroguaiac acid
- guaiacol
- guaiacol (liquid) extra pure
- guiacol
- hydroxyl anisole
- o-Guaiacol
- o-Guiacol
- o-Hydroxyanisole
- o-Methoxyphenol
- omicron-guaiacol
- ortho-Guaiacol
- orthomethoxyphenol
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