4-Nitrocatechol, GR

Name: 4-Nitrocatechol, GR
Brand: Vaqora Chemicals
SKU: VQ-009817

About 4-Nitrocatechol, GR

Vaqora Chemicals supplies 4-Nitrocatechol in AR grade, a nitrogen-functional building block registered under CAS number 3316-09-4 with a typical assay of 97%. The compound has the formula C6H5NO4, corresponding to a molecular weight of 155.11 g/mol. Its systematic (IUPAC) name is 4-nitrobenzene-1,2-diol. Common synonyms include 1,2-Dihydroxy-4-nitrobenzene and 4-Nitro-1,2-benzenediol.

In its supplied form it is light yellow to amber to dark green powder or crystals. Reported physical data include a melting point of 173-177 °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, dye and pigment intermediates and heterocycle construction. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 1 g, 5 g and 25 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Dye & pigment intermediates
Heterocycle construction

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	4-Nitrocatechol, GR
Catalogue No.	VQ-009817
CAS Number	3316-09-4
IUPAC name	4-nitrobenzene-1,2-diol
Molecular formula	C₆H₅NO₄
Molecular weight	155.11 g/mol
Exact mass	155.0219
Grade	AR
Purity / assay	97%
HSN code	29089990
InChIKey	XJNPNXSISMKQEX-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1[N+](=O)[O-])O)O
PubChem CID	3505109

Physical properties
Physical form	Crystalline
Appearance	Light yellow to amber to dark green powder or crystals
Melting point	173-177 °C
LogP (XLogP3)	1.7
H-bond donors / acceptors	2 / 4
TPSA	86.3 Å²
Synonyms	1,2-Dihydroxy-4-nitrobenzene, 4-Nitro-1,2-benzenediol, 1,2-Benzenediol, 4-nitro-, p-Nitrocatechol, 3,4-Dihydroxy-1-nitrobenzene, 4-nitro 1,2-benzenediol, 4-nitro-Pyrocatechol4-Nitropyrocatechol NSC 80651, 3,4-Dihydroxynitrobenzene, 4NC, para-nitrocatechol, 1eoc, 4-Nitrobenzcatechin

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 4-Nitrocatechol, GR?

The CAS Registry Number of 4-Nitrocatechol, GR is 3316-09-4. It is also known as 1,2-Dihydroxy-4-nitrobenzene, 4-Nitro-1,2-benzenediol, 1,2-Benzenediol, 4-nitro-.

What is the molecular formula and molecular weight of 4-Nitrocatechol, GR?

4-Nitrocatechol, GR has the molecular formula C6H5NO4 and a molecular weight of 155.11 g/mol. Its IUPAC name is 4-nitrobenzene-1,2-diol.

Which grade and pack sizes of 4-Nitrocatechol, GR can I order?

We supply 4-Nitrocatechol, GR in AR (97%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Nitrocatechol, GR?

Yes. Every lot of 4-Nitrocatechol, GR 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 4-Nitrocatechol, GR be shipped internationally?

Yes. 4-Nitrocatechol, GR 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.