Methyl 3,4,5-trihydroxybenzoate
Methyl 3,4,5-trihydroxybenzoate (CAS 99-24-1), also known as Methyl gallate, is a benzoic acid derivative with the molecular formula (HO)3C6H2CO2CH3 and a molecular weight of 184.15 g/mol. This compound is recognised for its antioxidant properties and is utilised in various chemical synthesis processes. It serves as a valuable intermediate in the production of pharmaceuticals and specialty chemicals, contributing to advancements in materials science and polymer research.
- IUPAC
- Methyl gallate
- Synonyms
- 99-24-1(HO)3C6H2CO2CH3Methyl gallate

Chemical Synthesis Intermediate
Methyl 3,4,5-trihydroxybenzoate is employed as a key building block in organic synthesis. Its structure allows for further functionalisation, making it useful in creating more complex molecules for various industrial applications.
Antioxidant Applications
Due to its phenolic hydroxyl groups, this compound exhibits antioxidant activity. It can be used in applications where protection against oxidation is required, contributing to the stability of formulations.
Materials Science Research
As a monomer and a compound with potential for polymer modification, Methyl 3,4,5-trihydroxybenzoate finds applications in materials science research. It can be incorporated into polymers to impart specific properties.
| Molecular weight | 184.15 |
|---|---|
| Linear formula | (HO)3C6H2CO2CH3 |
| Assay | 98% |
| Melting point | 201-203 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38-43 |
| Safety statements (S) | 26-36/37 |
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 Methyl 3,4,5-trihydroxybenzoate used for?
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Methyl 3,4,5-trihydroxybenzoate (CAS 99-24-1) is primarily used as an intermediate in chemical synthesis, particularly for pharmaceuticals and specialty chemicals. It also finds utility in materials science research due to its antioxidant properties and potential as a monomer.
What is the CAS number and chemical formula for Methyl 3,4,5-trihydroxybenzoate?
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The CAS number for Methyl 3,4,5-trihydroxybenzoate is 99-24-1, and its linear chemical formula is (HO)3C6H2CO2CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 3,4,5-trihydroxybenzoate with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the primary safety hazards associated with Methyl 3,4,5-trihydroxybenzoate?
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Methyl 3,4,5-trihydroxybenzoate is classified with the GHS07 symbol and a 'Warning' signal word. It carries hazard statements H302 (harmful if swallowed), H315 (causes skin irritation), H317 (may cause an allergic skin reaction), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment including a dust mask, eyeshields, face shields, and gloves should be used.
How is Methyl 3,4,5-trihydroxybenzoate packed and exported?
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Tech Serve Solutions exports Methyl 3,4,5-trihydroxybenzoate globally. Specific packaging details are confirmed upon order inquiry to meet international shipping standards and customer requirements.
How can I request a sample or obtain a quote for Methyl 3,4,5-trihydroxybenzoate?
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To request a sample or obtain a quote for Methyl 3,4,5-trihydroxybenzoate, please contact our sales department directly through the website or by phone. Our team will respond promptly with the necessary information and pricing.
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