Bis(4-nitrophenyl) phosphate

双(对硝基苯基)磷酸酯

Also known as: Bis(p-nitrophenyl) phosphate, BNPP, Bis(4-nitrophenyl) hydrogen phosphate, Bis(4-nitrophenyl)phosphoric acid, Di-p-nitrophenyl phosphate, Di-4-nitrophenyl phosphate, p-Nitrophenyl monohydrogen phosphate, Phosphoric acid, bis(4-nitrophenyl) ester

Bis(4-nitrophenyl) phosphate (CAS 645-15-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H9N2O8P and a molecular weight of 340.182 g/mol. It is also known as Bis(p-nitrophenyl) phosphate, BNPP and Bis(4-nitrophenyl) hydrogen phosphate. Key properties include a melting point of 172-175 °C(lit.), a boiling point of 545.7±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 283.8±32.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
645-15-8
Jingsj CID
J-1410356-0
Molecular Formula
C12H9N2O8P
Chinese Name
双(对硝基苯基)磷酸酯
Molecular Weight
340.182 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point172-175 °C(lit.)
Boiling Point545.7±60.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point283.8±32.9 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Bis(4-nitrophenyl) phosphate?

The CAS number of Bis(4-nitrophenyl) phosphate is 645-15-8.

What are the molecular formula and molecular weight of Bis(4-nitrophenyl) phosphate?

Bis(4-nitrophenyl) phosphate has molecular formula C12H9N2O8P and molecular weight 340.182 g/mol.

Is Bis(4-nitrophenyl) phosphate hazardous?

Bis(4-nitrophenyl) phosphate has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Bis(4-nitrophenyl) phosphate (CAS 645-15-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1410356-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.