4-(Hydroxymethyl)benzoic acid
4-(Hydroxymethyl)benzoic acid (CAS: 3006-96-0) is a white crystalline solid with the molecular formula HOCH2C6H4CO2H and a molecular weight of 152.15 g/mol. This bifunctional molecule possesses both a carboxylic acid group and a hydroxymethyl group, making it a valuable building block in organic synthesis. It is commonly employed as a linker or intermediate in the preparation of more complex organic molecules and polymers.

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of diverse organic compounds. Its dual functionality allows for selective reactions at either the carboxylic acid or the alcohol moiety.
Polymer Chemistry
Serves as a monomer or cross-linking agent in the development of speciality polymers. The benzoic acid structure contributes rigidity, while the hydroxymethyl group allows for polymer chain extension or functionalization.
Pharmaceutical Research
A valuable intermediate in the discovery and development of new pharmaceutical agents. Its structure can be incorporated into drug candidates to modulate physicochemical properties or to serve as a linker.
Materials Science
Employed in the creation of novel materials with tailored properties. It can be integrated into supramolecular structures or functional materials due to its defined chemical architecture.
| Molecular weight | 152.15 |
|---|---|
| Linear formula | HOCH2C6H4CO2H |
| Assay | 99% |
| Melting point | 182-185 °C(lit.) |

Hazard statements
- 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) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-(Hydroxymethyl)benzoic acid used for?
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4-(Hydroxymethyl)benzoic acid is primarily used as a building block and intermediate in organic synthesis, polymer chemistry, pharmaceutical research, and materials science.
What is the CAS number and molecular formula for 4-(Hydroxymethyl)benzoic acid?
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The CAS number is 3006-96-0 and the molecular formula is HOCH2C6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Hydroxymethyl)benzoic acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 4-(Hydroxymethyl)benzoic acid be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
Is 4-(Hydroxymethyl)benzoic acid a controlled substance?
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The provided data does not indicate that 4-(Hydroxymethyl)benzoic acid is a controlled substance.
How is 4-(Hydroxymethyl)benzoic acid packed and exported?
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Products are carefully packed to ensure integrity during transit and are available for global export by Tech Serve Solutions.
How can I request a sample or quote for 4-(Hydroxymethyl)benzoic acid?
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Please contact our sales team to request a sample or a quotation for 4-(Hydroxymethyl)benzoic acid.
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