3,4-Dihydroxybenzaldehyde, 98%

Name: 3,4-Dihydroxybenzaldehyde, 98%
Brand: Vaqora Chemicals
SKU: VQ-007975

About 3,4-Dihydroxybenzaldehyde, 98%

3,4-Dihydroxybenzaldehyde is a carbonyl building block in Puriss grade carrying the CAS registry number 139-85-5 with a typical assay of 98%. Its molecular formula is C7H6O3 and its molecular weight is 138.12 g/mol. Alternative names: Protocatechualdehyde and Rancinamycin IV.

The material typically appears as white to brown powder or crystals. Key physical data: a melting point of 150-157 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis, condensation and reductive amination and API intermediates. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3,4-Dihydroxybenzaldehyde in 25 g, 100 g, 500 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates

Industries

Specifications & identifiers

Chemical identifiers
Product name	3,4-Dihydroxybenzaldehyde, 98%
Catalogue No.	VQ-007975
CAS Number	139-85-5
IUPAC name	3,4-dihydroxybenzaldehyde
Molecular formula	C₇H₆O₃
Molecular weight	138.12 g/mol
Exact mass	138.0317
Grade	Puriss
Purity / assay	98%
HSN code	29124990
InChIKey	IBGBGRVKPALMCQ-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1C=O)O)O
PubChem CID	8768

Physical properties
Physical form	Crystalline
Appearance	White to brown powder or crystals
Melting point	150-157 °C
LogP (XLogP3)	1.3
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²
Synonyms	Protocatechualdehyde, Rancinamycin IV, 4-Formyl-1,2-dihydroxybenzene, 3,4-Dihydroxybenzenecarbonal, GM-W03, Benzaldehyde, 3,4-dihydroxy-, 3,4-dihydroxy-benzaldehyde, 4-Formyl-1,2-benzenediol, 1,2-Dihydroxy-4-formylbenzene, 3,4-dihydroxy benzaldehyde, 4,5-Dihydroxybenzaldehyde, 3,4-Dihydroxybenzaldehyde, 97%

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

Other grades of CAS 139-85-5

AR

3,4-Dihydroxybenzaldehyde, AR

CAS: 139-85-5
Formula: C₇H₆O₃
MW: 138.12 g/mol

VQ-046455

Frequently asked questions

What is the CAS number of 3,4-Dihydroxybenzaldehyde, 98%?

The CAS Registry Number of 3,4-Dihydroxybenzaldehyde, 98% is 139-85-5. It is also known as Protocatechualdehyde, Rancinamycin IV, 4-Formyl-1,2-dihydroxybenzene.

What is the molecular formula and molecular weight of 3,4-Dihydroxybenzaldehyde, 98%?

3,4-Dihydroxybenzaldehyde, 98% has the molecular formula C7H6O3 and a molecular weight of 138.12 g/mol. Its IUPAC name is 3,4-dihydroxybenzaldehyde.

Which grade and pack sizes of 3,4-Dihydroxybenzaldehyde, 98% can I order?

We supply 3,4-Dihydroxybenzaldehyde, 98% in Puriss (98%) grade, in 25 g, 100 g, 500 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3,4-Dihydroxybenzaldehyde, 98%?

Yes. Every lot of 3,4-Dihydroxybenzaldehyde, 98% 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 3,4-Dihydroxybenzaldehyde, 98% be shipped internationally?

Yes. 3,4-Dihydroxybenzaldehyde, 98% 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.