Metaphosphoric acid

偏磷酸

Also known as: meta-Phosphoric acid, M-PHOSPHORIC ACID, M-PhosphoricAcidGr, Metaphosphoric acid, stabilized, PHOSPHORIC ACID, META

Metaphosphoric acid (CAS 37267-86-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HO3P and a molecular weight of 79.97990 g/mol. It is also known as meta-Phosphoric acid, M-PHOSPHORIC ACID and M-PhosphoricAcidGr. Key properties include a melting point of 21°C, a boiling point of 158°C and a density of 2,2 g/cm3. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
37267-86-0
Jingsj CID
J-1308735-7
Molecular Formula
HO3P
Chinese Name
偏磷酸
Molecular Weight
79.97990 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point21°C
Boiling Point158°C
Density2,2 g/cm3

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Metaphosphoric acid?

The CAS number of Metaphosphoric acid is 37267-86-0.

What are the molecular formula and molecular weight of Metaphosphoric acid?

Metaphosphoric acid has molecular formula HO3P and molecular weight 79.97990 g/mol.

Is Metaphosphoric acid hazardous?

Metaphosphoric acid 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. "Metaphosphoric acid (CAS 37267-86-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1308735-7 (accessed 2026-10-24).

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