1,3-Dinitropyrene

Name: 1,3-Dinitropyrene
Brand: Vaqora Chemicals
SKU: VQ-045177

About 1,3-Dinitropyrene

1,3-Dinitropyrene (CAS 75321-20-9) is a nitrosamine impurity of Pyrene offered by Vaqora Chemicals. Formula C16H8N2O4, molecular weight 292.24 g/mol. Common synonyms include Pyrene, 1,3-dinitro-.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is used as a reference standard for trace-level detection and quantitation of nitrosamine impurities by LC-MS/MS or GC-MS, supporting nitrosamine risk assessments for Pyrene, method validation (AMV) and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 1,3-Dinitropyrene is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Industries

Related to Pyrene

View every impurity, metabolite and intermediate we list for Pyrene.

Pyrene impurities

Specifications & identifiers

Chemical identifiers
Product name	1,3-Dinitropyrene
Catalogue No.	VQ-045177
CAS Number	75321-20-9
IUPAC name	1,3-dinitropyrene
Molecular formula	C₁₆H₈N₂O₄
Molecular weight	292.24 g/mol
Exact mass	292.0484
Grade	Reference Standard
HSN code	38229090
InChIKey	KTNUVDBUEAQUON-UHFFFAOYSA-N
SMILES	C1=CC2=C3C(=C1)C=CC4=C(C=C(C(=C43)C=C2)[N+](=O)[O-])[N+](=O)[O-]
PubChem CID	53230

Physical properties
Physical form	Solid
LogP (XLogP3)	4.7
H-bond donors / acceptors	0 / 4
TPSA	91.6 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, 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 1,3-Dinitropyrene?

The CAS Registry Number of 1,3-Dinitropyrene is 75321-20-9. It is also known as Pyrene, 1,3-dinitro-.

What is the molecular formula and molecular weight of 1,3-Dinitropyrene?

1,3-Dinitropyrene has the molecular formula C16H8N2O4 and a molecular weight of 292.24 g/mol. Its IUPAC name is 1,3-dinitropyrene.

What is 1,3-Dinitropyrene used for?

1,3-Dinitropyrene is supplied as a characterised reference material related to Pyrene. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 1,3-Dinitropyrene can I order?

We supply 1,3-Dinitropyrene in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,3-Dinitropyrene?

Yes. Every lot of 1,3-Dinitropyrene 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 1,3-Dinitropyrene be shipped internationally?

Yes. 1,3-Dinitropyrene 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.