Phosphoric acid
Also known as: EINECS 231-633-2, EVITs, FEMA 2900, H3PO4, MFCD00011340, Marphos, NFB, PHOS ACID, Phosphoric, Phosphorous acid, Phosphorsaeureloesungen, Sonac, U.N. 1805, White phosphoric acid, phosphoric acid, phosphoric acid for technical, phosphoric acid，technical，highly purified, phosphoricacidsolutions, wc-reiniger, whitephosphoricacid
Phosphoric acid (CAS 7664-38-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H3O4P and a molecular weight of 97.995 g/mol. Key properties include a melting point of ~40 °C(lit.), a boiling point of 158.0±0.0 °C at 760 mmHg and a density of 2.2±0.1 g/cm3. It is classified under GHS with signal word Danger and hazard statements H290 and 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.
- 7664-38-2
- Jingsj CID
- J-1325486-9
- Molecular Formula
- H3O4P
- Molecular Weight
- 97.995 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ~40 °C(lit.) |
|---|---|
| Boiling Point | 158.0±0.0 °C at 760 mmHg |
| Density | 2.2±0.1 g/cm3 |
| Exact Mass | 97.976898 |
| PSA | 87.57000 |
| LogP | -2.15 |
| Additional Property | 3.4 (vs air) |
| Vapor Pressure | 1.4±0.6 mmHg at 25°C |
| Refractive Index | 1.510 |
| Additional Property | MISCIBLE |
GHS Safety & Compliance
- H290
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2809201900 |
|---|
Frequently Asked Questions
What is the CAS number of Phosphoric acid?
The CAS number of Phosphoric acid is 7664-38-2.
What are the molecular formula and molecular weight of Phosphoric acid?
Phosphoric acid has molecular formula H3O4P and molecular weight 97.995 g/mol.
Is Phosphoric acid hazardous?
Phosphoric acid has GHS signal word Danger and hazard statements H290; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Phosphoric acid?
For Phosphoric acid, Upstream Products: Phosphorous acid, Monofluorophosphoric acid, triphosphoric acid; Downstream Products: 1,5-Dibromoanthraquinone, 2'-Aminoacetophenone, 4-Aminoacetophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phosphoric acid (CAS 7664-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1325486-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.