4-Nitrophenyl phosphorodichloridate

Also known as: 4-Nitrophenyl dichlorophosphate, Phosphorodichloridic acid, 4-nitrophenyl ester, 1-dichlorophosphoryloxy-4-nitrobenzene, 4-Nitrophenylphosphorodichloridate, 4-nitrophenyl dichlorophosphonate, Dichloridophosphoric acid p-nitrophenyl ester, MFCD00007315, EINECS 212-289-2

4-Nitrophenyl phosphorodichloridate (CAS 777-52-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2NO4P and a molecular weight of 255.980 g/mol. Key properties include a melting point of 44-45ºC(lit.), a boiling point of 329.4±15.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 153.0±20.4 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 777-52-6
Jingsj CID: J-25505-0
Molecular Formula: C₆H₄Cl₂NO₄P
Molecular Weight: 255.980 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	44-45ºC(lit.)
Boiling Point	329.4±15.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	153.0±20.4 °C
Exact Mass	254.925507
PSA	81.93000
LogP	2.64
Appearance	solid
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.575
Storage Conditions	2-8°C

GHS Safety & Compliance

CorrosionSignal word: Danger

H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of 4-Nitrophenyl phosphorodichloridate?

The CAS number of 4-Nitrophenyl phosphorodichloridate is 777-52-6.

What are the molecular formula and molecular weight of 4-Nitrophenyl phosphorodichloridate?

4-Nitrophenyl phosphorodichloridate has molecular formula C6H4Cl2NO4P and molecular weight 255.980 g/mol.

Is 4-Nitrophenyl phosphorodichloridate hazardous?

4-Nitrophenyl phosphorodichloridate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 4-Nitrophenyl phosphorodichloridate?

For 4-Nitrophenyl phosphorodichloridate, Downstream Products: Tris(4-nitrophenyl) phosphate, 4-Aminophenylphosphorylcholine, O-(4-Nitrophenylphosphoryl)choline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Nitrophenyl phosphorodichloridate (CAS 777-52-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25505-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.