30417-M

Phosphoric acid

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥85%

• Synonym(s): Orthophosphoric acid
• Linear Formula: H₃PO₄
• CAS Number: 7664-38-2
• Molecular Weight: 98.00
• Beilstein: 1921286
• EC Number: 231-633-2
• MDL number: MFCD00011340
• PubChem Substance ID: 329753503

Properties

• Quality Level: 100
• grade: ACS reagent; puriss. p.a.
• Agency: reag. ISO; reag. Ph. Eur.
• vapor density: 3.4 (vs air)
• vapor pressure: 2.2 mmHg ( 20 °C); 5 mmHg ( 25 °C)
• assay: ≥85%
• form: liquid
• impurities: reducing impurities, in accordance; residual solvents, in accordance; substances precipitated by ammonia, in accordance; ≤0.001% KMnO₄ red. matter (as O); ≤0.001% heavy metals (as Pb); ≤0.001% insoluble matters (in water); ≤0.001% volatile acids (as CH₃COOH)
• bp: 158 °C (lit.)
• mp: ~40 °C (lit.)
• density: 1.685 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤0.0002%; fluoride (F^-): ≤0.0001%; nitrate (NO₃^-): ≤0.0003%; phosphite, hypophosphite (as H₃PO₃): ≤0.002%; phosphite, hypophosphite (as H₃PO₃): in accordance; sulfate (SO₄^2-): ≤0.003%
• cation traces: As: ≤0.00005%; Ca: ≤0.001%; Cd: ≤0.0001%; Co: ≤0.0001%; Cr: ≤0.0001%; Cu: ≤0.0001%; Fe: ≤0.0005%; K: ≤0.0005%; Mg: ≤0.0005%; Mn: ≤0.00005%; Na: ≤0.002%; Ni: ≤1 mg/kg; Pb: ≤0.0001%; Sb: ≤2 mg/kg; Zn: ≤0.0002%
• SMILES string: OP(O)(O)=O
• suitability: passes test for appearance of solution
• InChI: 1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
• InChI key: NBIIXXVUZAFLBC-UHFFFAOYSA-N
• Gene Information: human ... SRC(6714)

Description

Other Notes

Concentrated phosphoric acid is approx. 85% H₃PO₄ (aqueous).

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H290 - H302 - H314
• Precautionary Statements: P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• Storage Class Code: 8A - Combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable