Guaiacol

CAS 90-05-1(CH3O)C6H4OHChemical Synthesis

Guaiacol (CAS 90-05-1), with the molecular formula (CH₃O)C₆H₄OH and a molar mass of 124.14 g/mol, is a naturally occurring phenolic compound. It is a key building block in chemical synthesis and finds applications in various research fields, including cell biology and nutrition research. Guaiacol is known for its characteristic aroma and is also identified as a phytochemical present in Curcuma longa (Turmeric).

IUPAC: 2-Methoxyphenol,Catechol monomethyl ether,Pyrocatechol monomethyl ether
Synonyms: 2-MethoxyphenolCatechol monomethyl etherPyrocatechol monomethyl ether

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Guaiacol ((CH3O)C6H4OH) — chemical structure, CAS 90-05-1; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksC6 to C8Cell BiologyChemical SynthesisCurcuma longa (Turmeric)Nutrition ResearchOrganic Building BlocksOxygen CompoundsPhenols

01 /Applications

Chemical Synthesis Intermediate

Guaiacol serves as a valuable intermediate in the synthesis of various organic compounds. Its phenolic and methoxy functionalities allow for diverse chemical transformations, making it useful in constructing more complex molecules.

Research Chemical

This compound is utilised in research laboratories for studies in areas such as cell biology and nutrition. Its natural occurrence and chemical properties make it an interesting subject for biochemical investigations.

Phytochemical Analysis

As a known constituent of plants like Turmeric, Guaiacol is relevant in phytochemical research. It can be used as a standard or reference compound in the analysis of natural product extracts.

02 /Properties

Molecular weight	124.14
Linear formula	(CH3O)C6H4OH
Assay	≥98.0% (GC)
Grade	purum
Boiling point	205 °C(lit.)
Density	1.129 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.543(lit.)
Melting point	26-29 °C(lit.)26-29 °C
Vapour pressure	0.11 mmHg (25 °C)
Vapour density	4.27 (vs air)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements

P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Flash point	82 °C / 179.6 °F
Water hazard class (WGK, DE)	1
Hazard codes (EU)	Xn
Risk statements (R)	22-36/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

90-05-1

MDL number

MFCD00002185

PubChem substance

24873446

Beilstein registry

508112

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Guaiacol used for?

Guaiacol (CAS 90-05-1) is primarily used as a chemical synthesis intermediate and a research chemical in fields like cell biology and nutrition. It is also relevant in phytochemical analysis due to its presence in plants such as Turmeric.

What is the CAS number and molecular formula for Guaiacol?

The CAS number for Guaiacol is 90-05-1, and its linear molecular formula is (CH₃O)C₆H₄OH.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Guaiacol at a grade of 'purum' with an assay of ≥98.0% (GC). We do not represent this product as USP, BP, or EP grade.

How should Guaiacol be handled safely?

Guaiacol is classified with GHS07 symbol and a Warning signal word, carrying hazard statements H302 (Harmful if swallowed), H315 (Causes skin irritation), and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, faceshields, and gloves, should be worn during handling. Ensure adequate ventilation and refer to the full safety data sheet for detailed handling procedures.

How is Guaiacol packed, shipped, and exported?

Tech Serve Solutions packs, ships, and exports Guaiacol in compliance with all relevant chemical handling and transportation regulations, ensuring product integrity and safety throughout the supply chain.

How can I request a sample or quote for Guaiacol?

To request a sample or a quote for Guaiacol, please contact our sales team through the website or by phone, providing your specific requirements and contact details.