4-Nitro-o-phenylenediamine, 98%

Name: 4-Nitro-o-phenylenediamine, 98%
Brand: Vaqora Chemicals
SKU: VQ-009814

About 4-Nitro-o-phenylenediamine, 98%

4-Nitro-o-phenylenediamine (CAS 99-56-9) is a nitrogen-functional building block offered by Vaqora Chemicals at a purity of 98%. The compound has the formula C6H7N3O2, corresponding to a molecular weight of 153.14 g/mol. Its systematic (IUPAC) name is 4-nitrobenzene-1,2-diamine. Common synonyms include 1,2-Diamino-4-nitrobenzene and 4-Nitro-1,2-phenylenediamine.

In its supplied form it is orange to red powder or crystals. Reported physical data include a melting point of 199-201 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis, dye and pigment intermediates and heterocycle construction. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 4-Nitro-o-phenylenediamine in 25 g, 100 g, 1 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Dye & pigment intermediates
Heterocycle construction

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Nitro-o-phenylenediamine, 98%
Catalogue No.	VQ-009814
CAS Number	99-56-9
IUPAC name	4-nitrobenzene-1,2-diamine
Molecular formula	C₆H₇N₃O₂
Molecular weight	153.14 g/mol
Exact mass	153.0538
Purity / assay	98%
HSN code	29420090
InChIKey	RAUWPNXIALNKQM-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1[N+](=O)[O-])N)N
PubChem CID	5111791

Physical properties
Physical form	Crystalline
Appearance	Orange to red powder or crystals
Melting point	199-201 °C
LogP (XLogP3)	0.9
H-bond donors / acceptors	2 / 4
TPSA	97.9 Å²
Synonyms	1,2-Diamino-4-nitrobenzene, 4-Nitro-1,2-phenylenediamine, 2-Amino-4-nitroaniline, p-Nitro-o-phenylenediamine, 1,2-Benzenediamine, 4-nitro-, 4-Nitro-1,2-diaminobenzene, 3,4-Diaminonitrobenzene, 4-Nitro-1,2-benzenediamine, 4-Nopd, 4-Nop, 4-N-o-Pda, 4NDB

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction

Precautionary statements: P261, P264, P270, P272, P280, P301 + P317, P302 + P352, P321, P330, P333 + P317, P362 + P364, 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-Nitro-o-phenylenediamine, 98%?

The CAS Registry Number of 4-Nitro-o-phenylenediamine, 98% is 99-56-9. It is also known as 1,2-Diamino-4-nitrobenzene, 4-Nitro-1,2-phenylenediamine, 2-Amino-4-nitroaniline.

What is the molecular formula and molecular weight of 4-Nitro-o-phenylenediamine, 98%?

4-Nitro-o-phenylenediamine, 98% has the molecular formula C6H7N3O2 and a molecular weight of 153.14 g/mol. Its IUPAC name is 4-nitrobenzene-1,2-diamine.

Which grade and pack sizes of 4-Nitro-o-phenylenediamine, 98% can I order?

We supply 4-Nitro-o-phenylenediamine, 98% in (98%) grade, in 25 g, 100 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Nitro-o-phenylenediamine, 98%?

Yes. Every lot of 4-Nitro-o-phenylenediamine, 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 4-Nitro-o-phenylenediamine, 98% be shipped internationally?

Yes. 4-Nitro-o-phenylenediamine, 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.