Phosphoric acid
ALDRICH/345245 - 85 wt. % in H2O, 99.99% trace metals basis
Synonym: Orthophosphoric acid
CAS Number: 7664-38-2
Empirical Formula (Hill Notation): H3O4P
Molecular Weight: 98.00
MDL Number: MFCD00011340
Linear Formula: H3PO4
Product Type: Chemical
| application(s) | battery manufacturing |
| assay | 99.99% 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: | Industrially, phosphoric acid may be used in fertilizers, detergents, pharmaceuticals, water softeners. |
| Application: | Phosphoric acid (85 wt. % in H2O) 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 for energy devices • in the development of polymeric membranes for proton exchange membrane based fuel cells |
| Application: | Phosphoric acid has been used as an acid solution for pH adjustment of the fermentation broth in a protocol for the acetone-butanol-ethanol (ABE) fermentation of sugars in a bioreactor. |
| General description: | In aqueous solutions, phosphoric acid behaves as a triprotic acid. The triprotic acid has three ionizable hydrogen atoms, which are lost sequentially. |
| 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: | 100, 500 mL in glass bottle |
| Packaging: | Packaged in clear glass 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 | 99.99% trace metals basis |
| bp | 158 °C (lit.) |
| mp | ~40 °C (lit.) |
| Density | 1.685 g/mL at 25 °C (lit.) |
| UNSPSC | 26111700 |