Disodium 4-nitrophenyl phosphate hexahydrate
Also known as: PNPP, p-Nitrophenyl phosphate disodium salt hexahydrate, 4-Nitrophenyl phosphate disodium salt, 4-Nitrophenyl phosphate disodium salt hexahydrate, Disodium 4-nitrophenylphosphate, para-Nitrophenyl phosphate disodium salt, 4-Nitrophenylphosphoric Acid Disodium Salt
Disodium 4-nitrophenyl phosphate hexahydrate (CAS 4264-83-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H4NNa2O6P and a molecular weight of 263.05300 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 457.8±47.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 230.7±29.3 °C. It is classified under GHS with signal word Danger and hazard statements H290, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 4264-83-9
- Jingsj CID
- J-32661-4
- Molecular Formula
- C6H4NNa2O6P
- Molecular Weight
- 263.05300 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 457.8±47.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 230.7±29.3 °C |
| Exact Mass | 218.993271 |
| PSA | 128.05000 |
| LogP | 0.37 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.617 |
| Additional Property | H2O: 1 tablet/3 mL 25 mM, clear, light yellow |
GHS Safety & Compliance
- H290
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H373 — May cause damage to organs through prolonged exposure
Customs & Trade Information
| HS Code | 2919900090 |
|---|---|
| Summary | 2919900090 other phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Disodium 4-nitrophenyl phosphate hexahydrate?
The CAS number of Disodium 4-nitrophenyl phosphate hexahydrate is 4264-83-9.
What are the molecular formula and molecular weight of Disodium 4-nitrophenyl phosphate hexahydrate?
Disodium 4-nitrophenyl phosphate hexahydrate has molecular formula C6H4NNa2O6P and molecular weight 263.05300 g/mol.
Is Disodium 4-nitrophenyl phosphate hexahydrate hazardous?
Disodium 4-nitrophenyl phosphate hexahydrate has GHS signal word Danger and hazard statements H290; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of Disodium 4-nitrophenyl phosphate hexahydrate?
For Disodium 4-nitrophenyl phosphate hexahydrate, Upstream Products: Sodium bis(4-nitrophenyl) phosphate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Disodium 4-nitrophenyl phosphate hexahydrate (CAS 4264-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32661-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.