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Molekula

3,4-Dihydroxybenzoic acid

CAS 99-50-3 (HO)2C6H3CO2H MW 154.12 In stock

3,4-Dihydroxybenzoic acid is a phenolic compound used in pharmaceuticals, cosmetics, and as a chemical intermediate. It appears as a white to pale yellow crystalline powder. CAS: 99-50-3, Molecular Formula: C7H6O4, Molecular Weight: 154.12 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies 3,4-Dihydroxybenzoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

3,4-Dihydroxybenzoic acid is a phenolic compound used in pharmaceuticals, cosmetics, and as a chemical intermediate. It appears as a white to pale yellow crystalline powder. CAS: 99-50-3, Molecular Formula: C7H6O4, Molecular Weight: 154.12 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies 3,4-Dihydroxybenzoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White-like powder
Melting Point 202.0 - 207.0°C
Loss on Drying ≤1.0%
Assay (HPLC) ≥99.0%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 60 months

Identification

Property Value
CAS Number 99-50-3
Molecular Formula (HO)2C6H3CO2H
Molecular Weight 154.12
SMILES C1=CC(=C(C=C1C(=O)O)O)O
REACH Code Y113
HTS Code 2918993000
Tariff Code 2918999090

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • 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

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

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

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is 3,4-Dihydroxybenzoic acid used for?

It is used as a chemical intermediate in the synthesis of pharmaceuticals and antioxidants, and as a standard in analytical chemistry.

What is the chemical formula and molecular weight?

The formula is (HO)2C6H3CO2H and the molecular weight is 154.12 g/mol.

How should 3,4-Dihydroxybenzoic acid be stored?

It should be stored at ambient temperature, protected from moisture and light.

What grade is available?

Available in analytical grade; other grades may be available upon request.

Can Molekula supply it in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

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