1.00565

ortho-Phosphoric acid

99%, cryst. for analysis EMSURE^®

• Synonym(e): Phosphorsäure, Orthophosphorsäure, o-Phosphorsäure, Orthophosphorsäure
• Lineare Formel: H₃PO₄
• CAS-Nummer: 7664-38-2
• Molekulargewicht: 98.00
• UNSPSC Code: 12352301
• EC Index Number: 231-633-2
• NACRES: NA.21
• Beilstein/REAXYS Number: 1921286
• MDL number: MFCD00011340
• Assay: ≥99% (acidimetric)
• Concentration: 85% phosphoric acid
• Form: solid

Eigenschaften

• Produktname: ortho-Phosphorsäure 99 %, cryst. for analysis EMSURE^®
• vapor density: 3.4 (vs air)
• Quality Segment: 300
• vapor pressure: 2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)
• product line: EMSURE^®
• assay: ≥99% (acidimetric)
• form: solid
• potency: 2740 mg/kg LD₅₀, skin (Rabbit)
• greener alternative product characteristics: Design for Energy Efficiency; Learn more about the Principles of Green Chemistry.
• sustainability: Sustainability features
• concentration: 85% phosphoric acid
• impurities: ≤20 ppm Substances reducing potassium permanganate (as O), ≤20 ppm Volatile acids (as CH₃COOH)
• pH: <0.5 (20 °C, 100 g/L in H₂O)
• bp: 158 °C (lit.)
• mp: ~40 °C (lit.)
• solubility: 750-850 g/L
• density: 1.685 g/mL at 25 °C (lit.), 1.84 g/cm³ at 38 °C
• anion traces: chloride (Cl^-): ≤2 ppm, fluoride (F^-): ≤0.5 ppm, nitrate (NO₃^-): ≤2 ppm, phosphite, hypophosphite (as H₃PO₃): ≤500 ppm
• cation traces: As: ≤1 ppm, Ca: ≤20 ppm, Cd: ≤1 ppm, Co: ≤1 ppm, Cu: ≤1 ppm, Fe: ≤10 ppm, K: ≤5 ppm, Mg: ≤1 ppm, Mn: ≤1 ppm, Na: ≤50 ppm, Ni: ≤1 ppm, Pb: ≤1 ppm, Sb: ≤1 ppm, Zn: ≤1 ppm
• storage temp.: 2-30°C
• 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

Beschreibung

General description

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Analysis Note

Gehalt (acidimetrisch): ≥ 99 %
Identität: entspricht
Chlorid (Cl): ≤ 2 ppm
Nitrat (NO₃): ≤ 2 ppm
Phosphit und Hypophosphit (als H₃PO₃): ≤ 500 ppm
Fluorid (F): ≤ 0,5 ppm
As (Arsen): ≤ 1 ppm
Ca (Calcium): ≤ 20 ppm
Cd (Cadmium): ≤ 1 ppm
(Cobalt): ≤ 1 ppm
Cu (Kupfer): ≤ 1 ppm
Fe (Eisen): ≤ 10 ppm
K (Kalium): ≤ 5 ppm
Mg (Magnesium): ≤ 1 ppm
Mn (Mangan): ≤ 1 ppm
Na (Natrium): ≤ 50 ppm
Ni (Nickel): ≤ 1 ppm
Pb (Blei): ≤ 1 ppm
Sb (Antimon): ≤ 1 ppm
Zn (Zink): ≤ 1 ppm
Flüchtige Säuren (als CH₃COOH): ≤ 20 ppm
Kaliumpermanganat reduzierende Substanzen (als O): ≤ 20 ppm

Other Notes

Konzentrierte Phosphorsäure, ca. 85 % H₃PO₄ (wässrig).

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS05,GHS07
• Signalwort: Danger
• Sicherheitshinweise: P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Gefahrencodes: H290,H302,H314
• Lagerklasse: 8A - Combustible corrosive hazardous materials