meta-Phosphoric acid
SIGALD/79615 - purum, ~65% HPO3 basis, pieces
Synonym: Metaphosphoric acid
CAS Number: 37267-86-0
EC Number: 253-433-4
MDL Number: MFCD00011351
Linear Formula: (HPO3)n
Product Type: Chemical
| concentration | ~65% (HPO3) |
| density | 2 g/cm3 |
| form | pieces |
| grade | purum |
| impurities | ~35% (NaPO3) |
| InChI | 1S/HO3P/c1-4(2)3/h(H,1,2, |
| InChI key | UEZVMMHDMIWARA-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| SMILES string | OP(=O)=O |
| solubility | water: miscible |
| Application: | meta-Phosphoric acid has been used for the extraction of ascorbic acid from Dialium guineense fruit pulp in a study. |
| General description: | meta-Phosphoric acid is a monobasic acid.2 |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3260 8 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 2 g/cm3 |
| UNSPSC | 12352106 |


