2,2-Diphenyl-1-picrylhydrazyl, 98%

Name: 2,2-Diphenyl-1-picrylhydrazyl, 98%
Brand: Vaqora Chemicals
SKU: VQ-000797

About 2,2-Diphenyl-1-picrylhydrazyl, 98%

Vaqora Chemicals supplies 2,2-Diphenyl-1-picrylhydrazyl (Puriss grade), a synthetic reagent registered under CAS number 1898-66-4 at a purity of 98%. Formula C18H12N5O6, molecular weight 394.3 g/mol. Alternative names: 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl and DPPH.

It is supplied as a black to green powder. Literature values give a melting point of ~135 °C (dec.). Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis, reaction development, medicinal chemistry and analytical determinations. Typical end-use sectors are academic and industrial research.

Available in 250 mg, 500 mg, 1 g and 5 g packs, 2,2-Diphenyl-1-picrylhydrazyl is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	2,2-Diphenyl-1-picrylhydrazyl, 98%
Catalogue No.	VQ-000797
CAS Number	1898-66-4
Molecular formula	C₁₈H₁₂N₅O₆
Molecular weight	394.3 g/mol
Exact mass	394.0788
Grade	Puriss
Purity / assay	98%
HSN code	29280090
InChIKey	HHEAADYXPMHMCT-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)N(C2=CC=CC=C2)[N]C3=C(C=C(C=C3[N+](=O)[O-])[N+](=O)[O-])[N+](=O)[O-]
PubChem CID	2735032

Physical properties
Physical form	Powder
Appearance	Black to green powder
Melting point	~135 °C (dec.)
LogP (XLogP3)	5.5
H-bond donors / acceptors	0 / 7
TPSA	142 Å²
Synonyms	2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl, DPPH, Hydrazyl, 2,2-diphenyl-1-picryl-, 4-15-00-01210 (Beilstein Handbook Reference), Hydrazinyl, 2,2-diphenyl-1-(2,4,6-trinitrophenyl)-, 2,2Diphenyl1picrylhydrazyl, N,NDiphenylN'picrylhydrazyl, Hydrazyl, 2,2diphenyl1picryl, Hydrazyl, 2,2diphenyl1picryl (8CI), Hydrazyl, 2,2-diphenyl-1-picryl-(8CI), 2,2Diphenyl1(2,4,6trinitrophenyl)hydrazyl, 2,2Diphenyl1(2,4,6trinitrophenyl)hydrazinyl

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements: P233, P260, P261, P264, P264 + P265, P271, P272, P280, P284, P302 + P352, P304 + P340, P305 + P351 + P338, P321, P332 + P317, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P403, 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 2,2-Diphenyl-1-picrylhydrazyl, 98%?

The CAS Registry Number of 2,2-Diphenyl-1-picrylhydrazyl, 98% is 1898-66-4. It is also known as 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl, DPPH, Hydrazyl, 2,2-diphenyl-1-picryl-.

What is the molecular formula and molecular weight of 2,2-Diphenyl-1-picrylhydrazyl, 98%?

2,2-Diphenyl-1-picrylhydrazyl, 98% has the molecular formula C18H12N5O6 and a molecular weight of 394.3 g/mol.

Which grade and pack sizes of 2,2-Diphenyl-1-picrylhydrazyl, 98% can I order?

We supply 2,2-Diphenyl-1-picrylhydrazyl, 98% in Puriss (98%) grade, in 250 mg, 500 mg, 1 g, 5 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2,2-Diphenyl-1-picrylhydrazyl, 98%?

Yes. Every lot of 2,2-Diphenyl-1-picrylhydrazyl, 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 2,2-Diphenyl-1-picrylhydrazyl, 98% be shipped internationally?

Yes. 2,2-Diphenyl-1-picrylhydrazyl, 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.