Guaiacol, 99%

Name: Guaiacol, 99%
Brand: Vaqora Chemicals
SKU: VQ-019213

About Guaiacol, 99%

Vaqora Chemicals supplies Guaiacol in Extra Pure grade, an aroma chemical registered under CAS number 90-05-1, specified at 99% purity. Its molecular formula is C7H8O2 and its molecular weight is 124.14 g/mol. Its systematic (IUPAC) name is 2-methoxyphenol. Common synonyms include Catechol monomethyl ether and Pyrocatechol monomethyl ether.

In its supplied form it is a pale yellow liquid. Key physical data: a melting point of 26-29 °C and a density of 1.129 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include flavour formulation, fragrance compounding, aroma research and indicator for titrations. It is used across food and beverage processing and cosmetics and personal care.

Available in 250 g, 500 g and 25 kg packs, Guaiacol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Flavour formulation
Fragrance compounding
Aroma research
Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Guaiacol, 99%
Catalogue No.	VQ-019213
CAS Number	90-05-1
IUPAC name	2-methoxyphenol
Molecular formula	C₇H₈O₂
Molecular weight	124.14 g/mol
Exact mass	124.0524
Grade	Extra Pure
Purity / assay	99%
HSN code	29095010
InChIKey	LHGVFZTZFXWLCP-UHFFFAOYSA-N
SMILES	COC1=CC=CC=C1O
PubChem CID	460

Physical properties
Physical form	Liquid
Appearance	Pale yellow liquid
Melting point	26-29 °C
Density	1.129 g/mL at 25 °C
LogP (XLogP3)	1.3
H-bond donors / acceptors	1 / 2
TPSA	29.5 Å²
Synonyms	Catechol monomethyl ether, Pyrocatechol monomethyl ether, o-Methoxyphenol, 2-Hydroxyanisole, o-Guaiacol, Pyroguaiac acid, o-Hydroxyanisole, Phenol, 2-methoxy-, 1-Hydroxy-2-methoxybenzene, Guaicol, Phenol, o-methoxy-, Guajol

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Guaiacol, 99%?

The CAS Registry Number of Guaiacol, 99% is 90-05-1. It is also known as Catechol monomethyl ether, Pyrocatechol monomethyl ether, o-Methoxyphenol.

What is the molecular formula and molecular weight of Guaiacol, 99%?

Guaiacol, 99% has the molecular formula C7H8O2 and a molecular weight of 124.14 g/mol. Its IUPAC name is 2-methoxyphenol.

Which grade and pack sizes of Guaiacol, 99% can I order?

We supply Guaiacol, 99% in Extra Pure (99%) grade, in 250 g, 500 g, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Guaiacol, 99%?

Yes. Every lot of Guaiacol, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Guaiacol, 99% be shipped internationally?

Yes. Guaiacol, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.