| FEMA | N/A | 
| CAS | 6303-21-5 | 
| EINECS | 228-601-5 | 
| Synonyms | 
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| JECFA Food Flavoring | N/A | 
| JECFA Food Additive | N/A | 
| DG SANTE Food Flavourings | N/A | 
| DG SANTE Food Contact Materials | hypophosphorous acid | 
| FDA UNII | 8B1RL9B4ZJ | 
| CoE Number | N/A | 
| XlogP3-AA | N/A | 
| Molecular Weight | 63.980132 | 
| Molecular Formula | H O2 P | 
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| Food Chemicals Codex Listed | No | 
| Appearance | N/A | 
| Assay | 95.00 to 100.00 | 
| Specific Gravity | 1.27400 @ 25.00 °C. | 
| Lbs/Gal (est) | N/A | 
| Refractive Index | N/A | 
| Melting Point | N/A | 
| Boiling Point | N/A | 
| Flash Point | N/A | 
| Acid Value | N/A | 
| Vapor Pressure | N/A | 
| Vapor Density | N/A | 
| logP (o/w) | N/A | 
| Soluble In | 
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| Occurrence | 
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