2,3-Dihydroxybenzoic Acid

Name: 2,3-Dihydroxybenzoic Acid
Brand: Vaqora Chemicals
SKU: VQ-050382

About 2,3-Dihydroxybenzoic Acid

2,3-Dihydroxybenzoic Acid (CAS 303-38-8) is a carboxylic acid offered by Vaqora Chemicals. With the molecular formula C7H6O4, it has a molar mass of 154.12 g/mol. Alternative names: Pyrocatechuic acid and o-Pyrocatechuic acid.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 100 mg, 250 mg, 1 g and 5 g packs, 2,3-Dihydroxybenzoic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,3-Dihydroxybenzoic Acid
Catalogue No.	VQ-050382
CAS Number	303-38-8
IUPAC name	2,3-dihydroxybenzoic acid
Molecular formula	C₇H₆O₄
Molecular weight	154.12 g/mol
Exact mass	154.0266
InChIKey	GLDQAMYCGOIJDV-UHFFFAOYSA-N
SMILES	C1=CC(=C(C(=C1)O)O)C(=O)O
PubChem CID	19

Physical properties
Physical form	Other
LogP (XLogP3)	1.2
H-bond donors / acceptors	3 / 4
TPSA	77.8 Å²
Synonyms	Pyrocatechuic acid, o-Pyrocatechuic acid, 3-Hydroxysalicylic acid, Benzoic acid, 2,3-dihydroxy-, 2-Pyrocatechuic acid, Catecholcarboxylic acid, 2,3 DHB, 2-carboxy-6-hydroxybenzen-1-olate, dihydroxybenzoic acid, Catechol-3-carboxylic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2,3-Dihydroxybenzoic Acid?

The CAS Registry Number of 2,3-Dihydroxybenzoic Acid is 303-38-8. It is also known as Pyrocatechuic acid, o-Pyrocatechuic acid, 3-Hydroxysalicylic acid.

What is the molecular formula and molecular weight of 2,3-Dihydroxybenzoic Acid?

2,3-Dihydroxybenzoic Acid has the molecular formula C7H6O4 and a molecular weight of 154.12 g/mol. Its IUPAC name is 2,3-dihydroxybenzoic acid.

Which grade and pack sizes of 2,3-Dihydroxybenzoic Acid can I order?

We supply 2,3-Dihydroxybenzoic Acid, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,3-Dihydroxybenzoic Acid?

Yes. Every lot of 2,3-Dihydroxybenzoic Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2,3-Dihydroxybenzoic Acid be shipped internationally?

Yes. 2,3-Dihydroxybenzoic Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.