Phosphoric acid

• Catalog No.: 79621
• CAS Number: 7664-38-2
• M. F.: H3O4P
• M. W.: 97.995181
• Purity: ≥85% (T)

SYNONYMS

• Title: 磷酸
• IUPAC name: phosphoric acid
• IUPAC Traditional name: phosphoric acid
• Synonyms: Orthophosphoric acid; 正磷酸

DATABASE IDS

• Beilstein Number: 1921286
• PubChem SID: 24887487
• EC Number: 231-633-2
• MDL Number: MFCD00011340
• CAS Number: 7664-38-2

PROPERTIES

• Antion Traces: chloride (Cl-): ≤2 mg/kg
• Antion Traces: fluoride (F-): ≤1 mg/kg
• Antion Traces: nitrate (NO3-): ≤5 mg/kg
• Antion Traces: phosphite, hypophosphite (as H3PO3): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤30 mg/kg
• Cation Traces: Ag: ≤1 mg/kg
• Cation Traces: Al: ≤1 mg/kg
• Cation Traces: As: ≤0.5 mg/kg
• Cation Traces: Ba: ≤1 mg/kg
• Cation Traces: Bi: ≤1 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤1 mg/kg
• Cation Traces: Co: ≤1 mg/kg
• Cation Traces: Cr: ≤1 mg/kg
• Cation Traces: Cu: ≤1 mg/kg
• Cation Traces: Fe: ≤10 mg/kg
• Cation Traces: K: ≤5 mg/kg
• Cation Traces: Li: ≤1 mg/kg
• Cation Traces: Mg: ≤1 mg/kg
• Cation Traces: Mn: ≤1 mg/kg
• Cation Traces: Mo: ≤1 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤1 mg/kg
• Cation Traces: Pb: ≤1 mg/kg
• Cation Traces: Sb: ≤2 mg/kg
• Cation Traces: Sr: ≤1 mg/kg
• Cation Traces: Tl: ≤1 mg/kg
• Cation Traces: Zn: ≤1 mg/kg
• Grade: puriss. p.a.
• Impurities: ≤0.001% KMnO4-reducing matter (as O)
• Impurities: ≤0.001% volatile acids (as CH3COOH)
• Linear Formula: H3PO4
• Purity: ≥85% (T)
• Quality: packed in coated, shock- and leak-protected glass bottle
• Gene Information: human ... SRC(6714)
• Boiling Point: 158 °C(lit.)
• Density: 1.685 g/mL at 25 °C(lit.)
• Melting Point: ~40 °C(lit.)
• Vapor Density: 3.4 (vs air)
• Vapor Pressure: 2.2 mmHg ( 20 °C)
• Vapor Pressure: 5 mmHg ( 25 °C)
• GHS Signal Word: Danger
• GHS Hazard statements: H314
• European Hazard Symbols: Corrosive (C)
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P280-P305 + P351 + P338-P310
• RID/ADR: UN 1805 8/PG 3
• Risk Statements: 34
• Safety Statements: 26-45
• Hazard Class: 8
• UN Number: 1805
• Packing Group: 3
• German water hazard class: 1

DETAILS

Description (English)

Caution
product may become solid; becomes liquid on heating to 50°C
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Reagent for the decomposition of aluminum oxide and silicates by solubilization1,2

Description (简体中文)

Caution
产品可为固态；加热至 50°C 时变为液态
Other Notes
浓磷酸大约为 85% H3PO4(水溶液)。
通过增溶作用分解氧化铝和硅酸盐的试剂1,2