Phosphoric acid
SIGMA/P5811 - BioReagent, suitable for insect cell culture, 85%
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
| assay | 85% |
| bp | 158 °C (lit.) |
| density | 1.685 g/mL at 25 °C (lit.) |
| 1.69 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.) |
| product line | BioReagent |
| Quality Level | 100 ![]() |
| SMILES string | OP(O)(O)=O |
| sustainability | Greener Alternative Product |
| technique(s) | cell culture | insect: suitable |
| vapor density | 3.4 (vs air) |
| vapor pressure | 2.2 mmHg ( 20 °C) |
| 5 mmHg ( 25 °C) |
| Application: | Qualified for use as a titration acid in insect cell culture applications. Phosphoric acid has been used: • as a component of preservative in yeast-sucrose food for maintaining Drosophila melanogaster • in the preparation of triethylamine phosphate stock solution • as a component in the preparation of protein reagent • to adjust pH during the preparation of phosphate buffer solution |
| General description: | Phosphoric acid is a compound of phosphorus and oxygen. It is a colorless crystalline solid. |
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| Other Notes: | Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous). |
| Packaging: | 100, 500 g in poly bottle |
| 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 | 85% |
| bp | 158 °C (lit.) |
| mp | ~40 °C (lit.) |
| Density | 1.685 g/mL at 25 °C (lit.); 1.69 g/mL at 25 °C (lit.) |
| UNSPSC | 12352209 |



