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Phosphoric acid, also known as orthophosphoric acid, is a weak triprotic acid. At 75%, it is a colorless and odorless liquid. The FCC food grade designation ensures that this product complies with the purity standards set by the United States Pharmacopeia, and is therefore suitable for food use. Kosher certification requires that all ingredients, equipment, and processing comply with the Jewish dietary law.
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- Acidifying agent in skin-care/cosmetic products
- Acidifying agent in foods/beverages
- Sanitizing agent in food industry
- Dental cleaning
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Product Information
| CAS | 7664-38-2 |
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| Synonyms | o-Phosphoric acid, Phosphorsaeure, Polyphosphoric acid, Acidum phosphoricum, Superphosphoric acid, White phosphoric acid |
| Assay | 75.0% - 76.0% |
| PubChem ID | 1004 |
| Grade | FCC Grade |
| Color | 10 max. |
| Physical form | Liquid |
| Appearance | Clear |
| Odor | Odorless |
| pH | < 0.5 at 100 g/l at 20 °C (68 °F) |
| Melting point | -17 °C (1 °F) |
| Boiling Point | ca.135 °C ca.275 °F |
| Vapor pressure | 6.5 hPa at 25 °C (77 °F), 2 hPa at 20 °C(68 °F) |
| Specific gravity | 1.574 - 1.580 |
| Density | 1.58 g/cm³ at 20 °C (68 °F) |
| Solubility | Soluble |
| Molecular formula | H3PO4 |
| Molecular weight | 97.995 |
| Arsenic (As) | 3 ppm max. |
| Autoship Available | Yes |
| Cadmium (Cd) | 3 ppm max. |
| Chloride (Cl) | 10 max. |
| Fluoride (F) | 10 ppm max |
| Iron (Fe) | 10 max. |
| KosherID | ZFH-CTBH |
| Lead (Pb) | 3 max. |
| Sulfate (SO4) | 250 max. |
| Viscosity | 14.7 mm2/s at 25 °C (77 °F) |
