5-Methoxyresorcinol
5-Methoxyresorcinol (CAS: 2174-64-3), with the molecular formula C7H8O3 and a molecular weight of 140.14 g/mol, is a versatile organic compound. Also known as 3,5-Dihydroxyanisole or Phloroglucinol monomethyl ether, it serves as a valuable building block in chemical synthesis. Its structure, featuring both methoxy and hydroxyl functional groups, makes it suitable for various organic reactions and as an intermediate in the production of more complex molecules.
- IUPAC
- 3,5-Dihydroxyanisole,Phloroglucinol monomethyl ether
- Synonyms
- 3,5-DihydroxyanisolePhloroglucinol monomethyl ether

Organic Synthesis Intermediate
5-Methoxyresorcinol is employed as a key intermediate in the synthesis of diverse organic compounds. Its functional groups allow for various chemical transformations, making it a useful starting material for building more complex molecular architectures.
Building Block for Specialty Chemicals
This compound acts as a foundational building block for the creation of specialty chemicals. It can be incorporated into larger molecules for applications requiring specific phenolic or ether functionalities.
Research and Development
Utilised in laboratory settings for research and development purposes, 5-Methoxyresorcinol supports the exploration of new chemical pathways and the synthesis of novel compounds.
| Molecular weight | 140.14 |
|---|---|
| Linear formula | CH3OC6H3-1,3-(OH)2 |
| Assay | 98% |
| Boiling point | 188-189 °C/12 mmHg(lit.) |
| Melting point | 78-80 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 5-Methoxyresorcinol used for?
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5-Methoxyresorcinol is used as a building block and intermediate in organic synthesis and chemical research and development.
What are the CAS number and molecular formula for 5-Methoxyresorcinol?
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The CAS number is 2174-64-3 and the molecular formula is C7H8O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Methoxyresorcinol with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 5-Methoxyresorcinol be handled safely?
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Handle with care: 5-Methoxyresorcinol may cause respiratory irritation, skin irritation, and serious eye irritation. Harmful if swallowed. Use a dust mask type N95 (US), wear eyeshields and gloves. Ensure adequate ventilation.
How is 5-Methoxyresorcinol packed and shipped?
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5-Methoxyresorcinol is carefully packed and exported by Tech Serve Solutions, adhering to all relevant shipping regulations for chemical compounds.
How can I request a sample or quote for 5-Methoxyresorcinol?
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To request a sample or a quote for 5-Methoxyresorcinol, please contact our sales team via the website or direct email.
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