Phosphoric acid
ALDRICH/452289 - ≥85 wt. % in H2O, ≥99.999% trace metals basis
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
| application(s) | battery manufacturing |
| assay | ≥99.999% trace metals basis |
| bp | 158 °C (lit.) |
| concentration | ≥85 wt. % in H2O |
| density | 1.685 g/mL at 25 °C (lit.) |
| form | liquid |
| greener alternative category |  , Enabling |
| greener alternative product characteristics | Design for Energy Efficiency Learn more about the Principles of Green Chemistry . |
| InChI | 1S/H3O4P/c1-5(2,3)4/h(H3, |
| InChI key | NBIIXXVUZAFLBC-UHFFFAOYSA |
| mp | ~40 °C (lit.) |
| SMILES string | OP(O)(O)=O |
| sustainability | Greener Alternative Product |
| vapor density | 3.4 (vs air) |
| vapor pressure | 2.2 mmHg ( 20 °C) |
| 5 mmHg ( 25 °C) |
| Application: | Phosphoric acid can be used for a variety of applications, such as: • a medium for corrosion inhibition on mild steel • an activating agent in the preparation of activated carbon • enhancement of electrochemical performance of the substrates for energy devices • in the development of polymeric membranes for proton exchange membrane (PEM) based fuel cells |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here . |
| Other Notes: | Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous). |
| Packaging: | 50, 250 mL in poly bottle |
| Packaging: | Packaged in poly bottles |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H290 - H302 - H314 |
| Precautionary statements | P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - 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 | ≥99.999% trace metals basis |
| bp | 158 °C (lit.) |
| mp | ~40 °C (lit.) |
| Density | 1.685 g/mL at 25 °C (lit.) |
| UNSPSC | 26111700 |