Molekula
2,5-Dihydroxybenzoic acid (Gentisic acid)
2,5-Dihydroxybenzoic acid, also known as gentisic acid, is a naturally occurring aromatic compound used in pharmaceuticals, cosmetics, and as a chemical intermediate. It functions as an antioxidant and antimicrobial agent. CAS: 490-79-9, Molecular Formula: C7H6O4, Molecular Weight: 154.12 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies 2,5-Dihydroxybenzoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
2,5-Dihydroxybenzoic acid, also known as gentisic acid, is a naturally occurring aromatic compound used in pharmaceuticals, cosmetics, and as a chemical intermediate. It functions as an antioxidant and antimicrobial agent. CAS: 490-79-9, Molecular Formula: C7H6O4, Molecular Weight: 154.12 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies 2,5-Dihydroxybenzoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | off-white or light yellow powder |
| Melting Point | ≥204℃ |
| Loss on Drying | ≤0.5% |
| Purity | ≥99.0% |
| Residue on Ignition | ≤0.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 490-79-9 |
| Molecular Formula | (HO)2C6H3CO2H |
| Molecular Weight | 154.12 |
| SMILES | O=C(O)C1=CC(O)=CC=C1O |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29182975 |
| Tariff Code | 2918290090 |
Safety & GHS
-
Explosive
GHS01
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
- 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
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is 2,5-Dihydroxybenzoic acid used for?
It is used as a precursor in the synthesis of pharmaceuticals and as a reagent in organic chemistry.
What is the chemical formula and molecular weight of 2,5-Dihydroxybenzoic acid?
The formula is (HO)2C6H3CO2H and the molecular weight is 154.12 g/mol.
How should 2,5-Dihydroxybenzoic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for this product?
It is available in analytical grade for laboratory use.
Can Molekula supply 2,5-Dihydroxybenzoic acid in bulk?
Yes, Molekula can supply this compound in bulk quantities—please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.