Molekula
3-Amino-4-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-Amino-4-hydroxybenzoic acid is an aromatic compound featuring both an amino and a hydroxyl group attached to a benzoic acid core. It is primarily used in organic synthesis, pharmaceuticals, and as an intermediate for dyes, pigments, and agrochemicals. This white to off-white crystalline powder has a CAS number of 1571-72-8, a molecular formula of H2NC6H3(OH)CO2H, and a molecular weight of 153.14 g/mol. It should be stored at ambient conditions, with a signal word of "Warning" indicating moderate hazard. Molekula supplies 3-Amino-4-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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 18586228 |
| CAS Number | 1571-72-8 |
| IUPAC Name | 3-amino-4-hydroxybenzoic acid |
| EC Number | 216-390-2 |
| Molecular Formula | H2NC6H3(OH)CO2H |
| Molecular Weight | 153.14 |
| Exact Mass | 153.0426 |
| SMILES | C1=CC(=C(C=C1C(=O)O)N)O |
| InChIKey | MRBKRZAPGUCWOS-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H7NO3/c8-5-3-4(7(10)11)1-2-6(5)9/h1-3,9H,8H2,(H,10,11) |
| PubChem CID | 65083 |
| REACH Code | Y110 |
| HTS Code | 29225040 |
| Tariff Code | 2922500090 |
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+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- 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
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
- 1H-Indole,4,5-difluoro-2-methyl-
- 3-amino-4-hydroxybenzenecarboxylic acid
- 3-AMINO-4-HYDROXYLBENZOIC ACID
- 4-hydroxy-3-aminobenzoic acid
- A1JOG
- Benzoic acid, 3-amino-4-hydroxy-
- cheetan
- Oprea1_298249
- s6361
Frequently asked questions
What is 3-Amino-4-hydroxybenzoic acid commonly used for?
It is primarily used as a precursor in the synthesis of pharmaceuticals, dyes, and agrochemicals, including intermediates for antibiotics and UV absorbers.
What is the chemical formula and molecular weight of 3-Amino-4-hydroxybenzoic acid?
The formula is **H₂NC₆H₃(OH)CO₂H**, and the molecular weight is **153.14 g/mol**.
How should 3-Amino-4-hydroxybenzoic acid be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What grades or purities are available for this product?
Molekula supplies **analytical standard (ACS grade) and technical grade** purities; please specify your application for recommendations.
Can Molekula supply 3-Amino-4-hydroxybenzoic acid in bulk quantities?
Yes, we offer bulk packaging options (e.g., 1 kg, 5 kg, 25 kg) for industrial and large-scale applications—contact us for pricing.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation for traceability.
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.