hypophosphorous acid
phosphine oxide, hydroxy-
Identification
| Name | hypophosphorous acid |
| IUPAC | phosphenous acid |
| CAS Number | 6303-21-5 |
| EINECS | 228-601-5 |
| FDA UNII | 8B1RL9B4ZJ |
| Molecular Formula | H O2 P |
| Molecular Weight | 63.98013200 |
| MDL Number | MFCD02183592 |
Regulatory
| DG SANTE Food Contact Materials | hypophosphorous acid |
Physical Properties
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.27400 @ 25.00 °C. |
No sensory data available
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | indirect food additives: adhesives and components of coatings |
| Recommendation for hypophosphorous acid usage levels up to | not for fragrance use. |
| Recommendation for hypophosphorous acid flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
phosphenous acid
phosphine oxide, hydroxy-
phosphinic acid
phosphonous acid
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