Orthophosphoric acid, GR 85%+
Buy Orthophosphoric acid, GR 85%+ (CAS 7664-38-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Exported from India with full paperwork.
About Orthophosphoric acid, GR 85%+
Orthophosphoric acid, GR 85%+ sits in our AR & ACS Grade Solvents section and ships worldwide from stock or short lead time. Key data (AR): CAS 7664-38-2, formula H3O4P and molar mass 98 g/mol. It is described as liquid.
Use cases we see most often
- Analytical reagent work
- Extraction & recrystallisation
- Titrimetric analysis
- Catalysis
Storage and safety notes
Literature values: melting point ~40 °C, boiling point 158 °C and density 1.685 g/mL at 25 °C. It carries the GHS signal word Danger (H314), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 1805.
Available as 500 mL, 5 L, 35 kg and 160 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Analytical reagent work
- Extraction & recrystallisation
- Titrimetric analysis
- Catalysis
Applications
Grade guides
Specifications and identifiers
| Product name | Orthophosphoric acid, GR 85%+ |
|---|---|
| Catalogue number | ZX-001818 |
| CAS number | 7664-38-2 |
| IUPAC name | phosphoric acid |
| Molecular formula | H3O4P |
| Molar mass | 98 g/mol |
| Exact mass | 97.9769 |
| Grade | AR |
| Purity / assay | ≥85% |
| Physical form | Liquid |
| Appearance | Liquid |
| Melting point | ~40 °C |
| Boiling point | 158 °C |
| Density | 1.685 g/mL at 25 °C |
| XLogP3 | -2.1 |
| H-bond donors / acceptors | 3 / 4 |
| Topological polar surface area | 77.8 Ų |
| HS code | 28092010 |
| UN number | UN 1805 |
| InChIKey | NBIIXXVUZAFLBC-UHFFFAOYSA-N |
| SMILES | OP(=O)(O)O |
| PubChem CID | 1004 |
| Synonyms | o-Phosphoric acid, Wc-reiniger, Acidum phosphoricum, Acide phosphorique, Phosphoricum acidum, Acido fosforico, White phosphoric acid, Amberphos 54, INS NO.338, INS-338, Phosphoric acid (aqueous), Naturasil Acne |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H314Causes severe skin burns and eye damage
Precautionary statements P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 500 mL | Quoted on request | |
| 5 L | Quoted on request | |
| 35 kg | Quoted on request | |
| 160 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Orthophosphoric acid, GR 85%+
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Other grades with CAS 7664-38-2
All 13 grades- CAS
- 7664-38-2
- Formula
- H3O4P
- MW
- 98 g/mol
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