Phosphoric acid
SIGALD/04107 - puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, 85.0-88.0%
Synonym: Orthophosphoric acid
CAS Number: 7664-38-2
Empirical Formula (Hill Notation): H3O4P
Molecular Weight: 98.00
EC Number: 231-633-2
MDL Number: MFCD00011340
Linear Formula: H3PO4
Product Type: Chemical
| anion traces | chloride (Cl-): ≤5 mg/kg |
| fluoride (F-): ≤5 mg/kg | |
| nitrate (NO3-): ≤5 mg/kg | |
| nitrate (NO3-): in accordance | |
| phosphite, hypophosphite (as H3PO3): ≤30 mg/kg | |
| phosphite, hypophosphite (as H3PO3): in accordance | |
| sulfate (SO42-): ≤50 mg/kg | |
| sulfate (SO42-): in accordance | |
| assay | 85.0-88.0% |
| bp | 158 °C (lit.) |
| cation traces | As: ≤2 mg/kg |
| Cd: ≤3 mg/kg | |
| Cu: ≤10 mg/kg | |
| Fe: ≤10 mg/kg | |
| Hg: ≤1 mg/kg | |
| Pb: ≤3 mg/kg | |
| Zn: ≤10 mg/kg | |
| density | 1.685 g/mL at 25 °C (lit.) |
| form | liquid |
| grade | puriss. |
| impurities | alkali phosphates, in accordance |
| residual solvents, in accordance | |
| substance precip. by Ammonia, in accordance | |
| ≤0.0005% heavy metals (as Pb) | |
| ≤0.001% volatile acids (as CH3COOH) | |
| InChI | 1S/H3O4P/c1-5(2,3)4/h(H3, |
| InChI key | NBIIXXVUZAFLBC-UHFFFAOYSA |
| mp | ~40 °C (lit.) |
| quality | meets analytical specification of Ph. Eur., BP, NF, FCC |
| Quality Level | 200  |
| SMILES string | OP(O)(O)=O |
| suitability | passes test for appearance of solution |
| vapor density | 3.4 (vs air) |
| vapor pressure | 2.2 mmHg ( 20 °C) |
| 5 mmHg ( 25 °C) |
| Other Notes: | Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous). |
| Other Notes: | The article number 04107-4X2.5L will be discontinued. Please order the single bottle 04107-2.5L which is physically identical with the same exact specifications. The article number 04107-6X1L will be discontinued. Please order the single bottle 04107-1L which is physically identical with the same exact specifications. |
| Symbol |  GHS05 |
| Signal word | Danger |
| Hazard statements | H290 - H314 |
| Precautionary statements | P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-45 |
| RIDADR | UN 1805 8 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 85.0-88.0% |
| bp | 158 °C (lit.) |
| mp | ~40 °C (lit.) |
| Density | 1.685 g/mL at 25 °C (lit.) |
| UNSPSC | 12352106 |