04107

Phosphoric acid

puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, 85.0-88.0%

• 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: 329747880
• NACRES: NA.21

Properties

• Quality Level: 200
• vapor density: 3.4 (vs air)
• vapor pressure: 2.2 mmHg ( 20 °C); 5 mmHg ( 25 °C)
• grade: puriss.
• assay: 85.0-88.0%
• form: liquid
• quality: meets analytical specification of Ph. Eur., BP, NF, FCC
• impurities: alkali phosphates, in accordance; residual solvents, in accordance; substance precip. by Ammonia, in accordance; ≤0.0005% heavy metals (as Pb); ≤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^-): ≤5 mg/kg; fluoride (F^-): ≤5 mg/kg; nitrate (NO₃^-): ≤5 mg/kg; nitrate (NO₃^-): in accordance; phosphite, hypophosphite (as H₃PO₃): ≤30 mg/kg; phosphite, hypophosphite (as H₃PO₃): in accordance; sulfate (SO₄^2-): ≤50 mg/kg; sulfate (SO₄^2-): in accordance
• cation traces: As: ≤2 mg/kg; Cd: ≤3 mg/kg; Cu: ≤10 mg/kg; Fe: ≤10 mg/kg; Hg: ≤1 mg/kg; Pb: ≤3 mg/kg; Zn: ≤10 mg/kg
• suitability: passes test for appearance of solution
• SMILES string: OP(O)(O)=O
• 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).

The article number 04107-4X2.5L will be discontinued. Please order the single bottle 04107-2.5L which is physically identical with the same exact specifications.
The article number 04107-6X1L will be discontinued. Please order the single bottle 04107-1L which is physically identical with the same exact specifications.