2-Naphthyl phosphate disodium salt

2-萘基磷酸二钠

Also known as: disodium 2-naphthyl phosphate, beta-Naphthyl phosphate, disodium salt, 2-Naphthylphosphoric acid disodium salt, disodium-beta naphthylphosphate, sodium beta-naphthyl phosphate (di), 2-Naphthalenol, dihydrogen phosphate, disodium salt, MFCD00149594, EINECS 250-763-0, Disodium β-naphthyl phosphate, Disodium 2-naphthyl phosphate

2-Naphthyl phosphate disodium salt (CAS 31681-98-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7Na2O4P and a molecular weight of 268.11300 g/mol. It is also known as disodium 2-naphthyl phosphate, beta-Naphthyl phosphate, disodium salt and 2-Naphthylphosphoric acid disodium salt. Key properties include a boiling point of 451ºC at 760mmHg, a density of 1.492g/cm3 and a flash point of 226.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31681-98-8
Jingsj CID
J-25927-5
Molecular Formula
C10H7Na2O4P
Chinese Name
2-萘基磷酸二钠
Molecular Weight
268.11300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point451ºC at 760mmHg
Density1.492g/cm3
Flash Point226.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Naphthyl phosphate disodium salt?

The CAS number of 2-Naphthyl phosphate disodium salt is 31681-98-8.

What are the molecular formula and molecular weight of 2-Naphthyl phosphate disodium salt?

2-Naphthyl phosphate disodium salt has molecular formula C10H7Na2O4P and molecular weight 268.11300 g/mol.

Is 2-Naphthyl phosphate disodium salt hazardous?

2-Naphthyl phosphate disodium salt has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-Naphthyl phosphate disodium salt (CAS 31681-98-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25927-5 (accessed 2026-10-24).

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