Phosphomolybdic acid
Also known as: Molybdophosphoric acid, Dodecamolybdophosphoric acid, trihydrogen tetracosa-μ-oxododecaoxo[μ12-[phosphato(3-)-κO:κO:κO:κO:κO:κO:κO:κO:κO:κO:κO:κO]]dodecamolybdate(3-)
Phosphomolybdic acid (CAS 12026-57-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H3Mo12O40P and a molecular weight of 1825.25 g/mol. Key properties include a boiling point of 100ºC at 760mmHg, a density of 0.94 and a flash point of 5 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H314 — Causes severe skin burns and eye damage and H336 — May cause drowsiness or dizziness. It is listed by 3 suppliers, 2 of which publish reference prices, from 1.00 to 1,688.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 12026-57-2
- Jingsj CID
- J-1362039-4
- Molecular Formula
- H3Mo12O40P
- Molecular Weight
- 1825.25 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to OrderPlatform-operated | 99% 500ml | ¥500.00 | $0.15 /mlBest ¥1.00/ml CNY | CN China MOQ 500ml | |
In Stock | 20 wt. % in ethanol 500ml | ¥899.00 | $0.27 /ml ¥1.80/ml CNY | CN China MOQ 500ml | |
In Stock | 20 wt. % in ethanol 500ml | ¥899.00 | $0.27 /ml ¥1.80/ml CNY | CN China MOQ 500ml |
Physicochemical Properties
| Boiling Point | 100ºC at 760mmHg |
|---|---|
| Density | 0.94 |
| Flash Point | 5 °C |
| PSA | 141.94000 |
| Appearance | Faint Yellow to Dark Yellow |
| Vapor Pressure | 1.41mmHg at 25°C |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
- H336 — May cause drowsiness or dizziness
Frequently Asked Questions
What is the CAS number of Phosphomolybdic acid?
The CAS number of Phosphomolybdic acid is 12026-57-2.
What are the molecular formula and molecular weight of Phosphomolybdic acid?
Phosphomolybdic acid has molecular formula H3Mo12O40P and molecular weight 1825.25 g/mol.
Which suppliers offer Phosphomolybdic acid?
3 supplier(s) listed; reference unit price ¥1.00–1688.00 /ml.
Is Phosphomolybdic acid hazardous?
Phosphomolybdic acid has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H314 — Causes severe skin burns and eye damage; H336 — May cause drowsiness or dizziness.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phosphomolybdic acid (CAS 12026-57-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1362039-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.