Phosphorous acid, 98%+
Buy Phosphorous acid, 98%+ (CAS 13598-36-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 500 g.
About Phosphorous acid, 98%+
Zemixal supplies Phosphorous acid, 98%+ within its inorganic Chemicals, Metals & Advanced Materials portfolio. For your records (Synthesis), the material is defined by CAS 13598-36-2, formula H3O3P and molar mass 82 g/mol. Expect colourless to white crystals or chunks or flakes.
Where it is used
- Corrosion inhibition
- Water treatment
- Fuels & lubricants
Handling and storage
Literature values: density 1.651 g/mL at 25 °C. Classified under GHS with signal word Danger and hazard statements H302 and H314. Read the SDS before first use. For transport it ships as UN UN 2834.
Standard pack sizes are 500 g, 5 kg and 50 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Corrosion inhibition
- Water treatment
- Fuels & lubricants
Applications
Specifications and identifiers
| Product name | Phosphorous acid, 98%+ |
|---|---|
| Catalogue number | ZX-015086 |
| CAS number | 13598-36-2 |
| IUPAC name | phosphonic acid |
| Molecular formula | H3O3P |
| Molar mass | 82 g/mol |
| Exact mass | 81.982 |
| Grade | Synthesis |
| Purity / assay | ≥98% |
| Physical form | Flakes |
| Appearance | Colourless to white crystals or chunks or flakes |
| Density | 1.651 g/mL at 25 °C |
| XLogP3 | -1.6 |
| H-bond donors / acceptors | 2 / 3 |
| Topological polar surface area | 57.5 Ų |
| HS code | 28111990 |
| UN number | UN 2834 |
| InChIKey | ABLZXFCXXLZCGV-UHFFFAOYSA-N |
| SMILES | OP(=O)O |
| PubChem CID | 407 |
| Synonyms | Phosphorus trihydroxide |
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
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements P260, P264, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P330, 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 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 50 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 Phosphorous acid, 98%+
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Other grades with CAS 13598-36-2
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