2,4-Dinitrophenol, GR 99%+

Name: 2,4-Dinitrophenol, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-009752

About 2,4-Dinitrophenol, GR 99%+

2,4-Dinitrophenol is a nitrogen-functional building block in AR grade carrying the CAS registry number 51-28-5 at a purity of ≥99%. Formula C6H4N2O5, molecular weight 184.11 g/mol. Alternative names: α-Dinitrophenol and Solfo Black.

In its supplied form it is a yellow crystalline powder. Reported physical data include a melting point of 108 °C and a boiling point of 113 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

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

Available in 25 g, 100 g, 1 kg and 50 kg packs, 2,4-Dinitrophenol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Dye & pigment intermediates
Heterocycle construction
Fine chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	2,4-Dinitrophenol, GR 99%+
Catalogue No.	VQ-009752
CAS Number	51-28-5
IUPAC name	2,4-dinitrophenol
Molecular formula	C₆H₄N₂O₅
Molecular weight	184.11 g/mol
Exact mass	184.012
Grade	AR
Purity / assay	≥99%
HSN code	29089990
InChIKey	UFBJCMHMOXMLKC-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1[N+](=O)[O-])[N+](=O)[O-])O
PubChem CID	1493

Physical properties
Physical form	Powder
Appearance	Yellow crystalline powder
Melting point	108 °C
Boiling point	113 °C
LogP (XLogP3)	1.7
H-bond donors / acceptors	1 / 5
TPSA	112 Å²
UN number	UN 1320
Synonyms	α-Dinitrophenol, Solfo Black, Nitrophene, Phenol, 2,4-dinitro-, Fenoxyl carbon N, Solfo Black B, Tertrosulphur PBR, alpha-Dinitrophenol, Solfo Black G, Nitro kleenup, 1-Hydroxy-2,4-dinitrobenzene, 2,4-Dnp

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life

Precautionary statements: P260, P261, P262, P264, P270, P271, P273, P280, P301 + P316, P302 + P352, P304 + P340, P316, P319, P321, P330, P361 + P364, P391, 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 51-28-5

Extra Pure

2,4-Dinitrophenol, extra pure >98%

CAS: 51-28-5
Formula: C₆H₄N₂O₅
MW: 184.11 g/mol

VQ-045895

Frequently asked questions

What is the CAS number of 2,4-Dinitrophenol, GR 99%+?

The CAS Registry Number of 2,4-Dinitrophenol, GR 99%+ is 51-28-5. It is also known as α-Dinitrophenol, Solfo Black, Nitrophene.

What is the molecular formula and molecular weight of 2,4-Dinitrophenol, GR 99%+?

2,4-Dinitrophenol, GR 99%+ has the molecular formula C6H4N2O5 and a molecular weight of 184.11 g/mol. Its IUPAC name is 2,4-dinitrophenol.

Which grade and pack sizes of 2,4-Dinitrophenol, GR 99%+ can I order?

We supply 2,4-Dinitrophenol, GR 99%+ in AR (≥99%) grade, in 25 g, 100 g, 1 kg, 50 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,4-Dinitrophenol, GR 99%+?

Yes. Every lot of 2,4-Dinitrophenol, GR 99%+ 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 2,4-Dinitrophenol, GR 99%+ be shipped internationally?

Yes. 2,4-Dinitrophenol, GR 99%+ is classified as hazardous (UN 1320), 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.