Molekula
3-Hydroxybenzoic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3-Hydroxybenzoic acid is an aromatic organic compound used primarily in pharmaceuticals, agrochemicals, and as a precursor for dyes, UV absorbers, plasticisers, and resins. It appears as a white to off-white crystalline powder with mild phenolic odor. This chemical has a CAS number of 99-06-9, a molecular formula of HOC6H4CO2H, and a molecular weight of 138.12 g/mol. It is stable under ambient storage conditions but requires careful handling, as indicated by its Warning signal word. Molekula supplies 3-Hydroxybenzoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Water | ≤0.5% |
| Assay | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 220 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 202 °C |
| Vapour Pressure | 0.000158 mmHg |
Source: PubChem CID 7420 (Human Metabolome Database (HMDB), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 81013177 |
| CAS Number | 99-06-9 |
| IUPAC Name | 3-hydroxybenzoic acid |
| EC Number | 202-726-5 |
| Molecular Formula | HOC6H4CO2H |
| Molecular Weight | 138.12 |
| Exact Mass | 138.0317 |
| SMILES | C1=CC(=CC(=C1)O)C(=O)O |
| InChIKey | IJFXRHURBJZNAO-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H6O3/c8-6-3-1-2-5(4-6)7(9)10/h1-4,8H,(H,9,10) |
| PubChem CID | 7420 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2918.29.08.00 |
| Tariff Code | 2918290090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 3-Carboxyphenol
- 3-hydroxybenzoic acid, monosodium salt
- AC PE 3HB
- Acido m-idrossibenzoico
- Benzoic acid, 3-hydroxy-
- Benzoic acid, m-hydroxy-
- m-Hba
- M-HYDROXYBENZOIC ACID
- m-Salicylic acid
- meta-Hydroxybenzoic acid
Frequently asked questions
What is 3-Hydroxybenzoic acid commonly used for?
3-Hydroxybenzoic acid is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyes, as well as in the production of UV absorbers and plasticizers.
What is the chemical formula and molecular weight of 3-Hydroxybenzoic acid?
The chemical formula is HOC₆H₄CO₂H, and the molecular weight is 138.12 g/mol.
What safety classification does 3-Hydroxybenzoic acid have?
The product is classified with a Signal Word: Warning under GHS regulations.
How should 3-Hydroxybenzoic acid be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances.
Does Molekula offer 3-Hydroxybenzoic acid in bulk quantities?
Yes, Molekula supplies 3-Hydroxybenzoic acid in bulk, with flexible packaging options for large-volume orders.
What documentation is provided with an order of 3-Hydroxybenzoic acid?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.