S9663

Natriumarsenat, zweibasisch Heptahydrat

ACS reagent, ≥98%

• Synonym(e): Di-Natriumhydrogenarsenat Heptahydrat, Dinatriumhydrogenarsenat Heptahydrat
• Lineare Formel: Na₂HAsO₄ · 7H₂O
• CAS-Nummer: 10048-95-0
• Molekulargewicht: 312.01
• MDL-Nummer: MFCD00149179
• UNSPSC-Code: 12352302
• PubChem Substanz-ID: 329824631
• NACRES: NB.24

Eigenschaften

• Qualität: ACS reagent
• Assay: ≥98%; 98.0-102.0%
• Form: powder
• Verunreinigungen: ≤0.005% Insoluble matter
• pH-Wert: 8.5-9 (25 °C, 50 g/L)
• Anionenspuren: arsenite (As₂O₃): ≤0.01%; chloride (Cl^-): ≤0.001%; nitrate (NO₃^-): ≤0.005%; sulfate (SO₄^2-): ≤0.01%
• Kationenspuren: Fe: ≤0.001%; heavy metals (as Pb): ≤0.002%
• SMILES String: O.O.O.O.O.O.O.[Na+].[Na+].O[As]([O-])([O-])=O
• InChI: 1S/AsH3O4.2Na.7H2O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;7*1H2/q;2*+1;;;;;;;/p-2
• InChIKey: KOLXPEJIBITWIQ-UHFFFAOYSA-L

Beschreibung

Anwendung

Sodium arsenate dibasic heptahydrate can be used as an internal standard for the quantification of arsenic species using various spectroscopic methods.

Sicherheitshinweise

• Piktogramme: GHS06,GHS08,GHS09
• Signalwort: Danger
• H-Sätze: H301 + H331,H350,H410
• P-Sätze: P202 - P261 - P264 - P273 - P301 + P310 - P304 + P340 + P311
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A
• Lagerklassenschlüssel: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable