$523
- Part Number:MIL-438081-6X500ML
- Lead Time:2-3 weeks
- Quantity:6
- Size:500 ml / 16 ounce
- Style:chemical
Phosphoric Acid ACS Reagent ≥85 Wt. % In H2O 500mL Case/6
Synonym: Orthophosphoric acid
- CAS Number 7664-38-2
- Linear Formula H3PO4
- Molecular Weight 98.00
- Beilstein/REAXYS Number 1921286
- EC Number 231-633-2
- MDL number MFCD00011340
- PubChem Substance ID 329756407
| Grade | ACS reagent |
| Vapor Density | 3.4 (vs air) |
| Vapor Pressure | 2.2 mmHg (20°C) |
| 5 mmHg (25°C) | |
| greener alternative product characteristics | Design for Energy EfficiencyLearn more about the Principles of Green Chemistry. |
| concentration | ≥85 wt. % in H2O |
| Impurities | Reducing substances, passes test |
| ≤0.001% volatile acids (as CH3COOH) | |
| Color | APHA: ≤10 |
| bp | 158°C (lit.) |
| mp | ~40°C (lit.) |
| Density | 1.685 g/mL at 25°C (lit.) |
| anion traces | chloride (Cl-): ≤3 ppm |
| nitrate (NO3-): ≤5 ppm | |
| sulfate (SO42-): ≤0.003% | |
| cation traces | As: ≤1 ppm |
| Ca: ≤0.002% | |
| Fe: ≤0.003% | |
| K: ≤0.005% | |
| Mg: ≤0.02% | |
| Mn: ≤0.5 ppm | |
| Na: ≤0.025% | |
| Sb: ≤0.002% | |
| heavy metals (as Pb): ≤0.001% | |
| Gene Information | human … SRC(6714) |
General description
Phosphoric acid (H3PO4), also known as orthophosphoric acid, is an inorganic acid. It has a wide range of industrial applications such as an intermediate to produce animal feedstock, to prepare stock solutions for workup procedures and to treat the metal surfaces for better adhesion of paint and resin coatings. In the food industry it is used as a preservative, an acidulant and flavor enhancer.
Sigma Life Science is 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.
Application
Phosphoric acid may be employed as standard for the determination of phosphorus-31 nuclear magnetic resonance (31P NMR) chemical shifts of the common phospholipids. It may be employed in the following studies:
• As external standard for the analysis of lipid composition of human white matter by 31P NMR spectroscopy.
• As external standard during the acid-labile phosphorylation of histone H4 by 31P NMR spectroscopy.
• As reference standard to investigate the surface species present on silica/alumina-supported sodium phosphates by pre- and postreaction MAS31P-NMR and FTIR spectroscopies.
• As catalyst in the vapor-phase Fries rearrangement of phenylacetate at 623K over a series of surface modified and unmodified ZSM-5.
• As an eco-friendly Reagent for the removal of protecting groups like tert-butyl carbamates, tert-butyl esters and tert-butyl ethers.
Signal word Danger
Hazard statements H290-H314
Precautionary statements P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
RIDADR UN 1805 8 / PGIII
WGK Germany 1
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