6303-21-5 8B1RL9B4ZJ Phosphinic Acids Hypophosphorous acid [NF] Phosphinic acid EINECS 228-601-5 Hypophosphorous acid Hypophosphorous acid (VAN) Hypophosphorus acid NSC 41904 Phosphine oxide, hydroxy- Phosphonous acid (VAN) UNII-8B1RL9B4ZJ EC 228-601-5 HSDB 8373 Hydroxyphosphine oxide CAS 6303-21-5
| CAS No. | 6303-21-5 |
| Molecular Formula | H3O2P |
| Molecular Weight | 66.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
6303-21-5 8B1RL9B4ZJ Phosphinic Acids Hypophosphorous acid [NF] Phosphinic acid EINECS 228-601-5 Hypophosphorous acid Hypophosphorous acid (VAN) Hypophosphorus acid NSC 41904 Phosphine oxide, hydroxy- Phosphonous acid (VAN) UNII-8B1RL9B4ZJ EC 228-601-5 HSDB 8373 Hydroxyphosphine oxide (CAS 6303-21-5), molecular formula H3O2P and molecular weight 66.00 g/mol, is a CATO reference standard with documented purity and traceability.
6303-21-5 8B1RL9B4ZJ Phosphinic Acids Hypophosphorous acid [NF] Phosphinic acid EINECS 228-601-5 Hypophosphorous acid Hypophosphorous acid (VAN) Hypophosphorus acid NSC 41904 Phosphine oxide, hydroxy- Phosphonous acid (VAN) UNII-8B1RL9B4ZJ EC 228-601-5 HSDB 8373 Hydroxyphosphine oxide (H3O2P) contains organophosphorus functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO manufactures 6303-21-5 8B1RL9B4ZJ Phosphinic Acids Hypophosphorous acid [NF] Phosphinic acid EINECS 228-601-5 Hypophosphorous acid Hypophosphorous acid (VAN) Hypophosphorus acid NSC 41904 Phosphine oxide, hydroxy- Phosphonous acid (VAN) UNII-8B1RL9B4ZJ EC 228-601-5 HSDB 8373 Hydroxyphosphine oxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | H3O2P |
| Molecular Weight | 66.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1958 |
Recommended Standards
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Why CATO?
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