A6756

Sodium arsenate dibasic heptahydrate

≥98.0%

• Synonym(s): Disodium hydrogen arsenate heptahydrate, di-Sodium hydrogen arsenate heptahydrate
• Linear Formula: Na₂HAsO₄ · 7H₂O
• CAS Number: 10048-95-0
• Molecular Weight: 312.01
• MDL number: MFCD00149179
• UNSPSC Code: 12352302
• PubChem Substance ID: 24891135
• NACRES: NA.21

Properties

• Assay: ≥98.0%
• form: powder
• reaction suitability: reagent type: catalyst; core: arsenic
• pH: 8.5-9.0 (25 °C, 50 g/L)
• 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
• InChI key: KOLXPEJIBITWIQ-UHFFFAOYSA-L

Description

General description

Sodium arsenate dibasic heptahydrate (As(V)) is an arsenic compound.

Application

Sodium arsenate dibasic heptahydrate may be used as a reference standard for the quantification of arsenic compounds in rice- and seafood-based samples by ion chromatography-inductively coupled plasma/ mass spectrometry. The samples for analysis were prepared by ultrasonic-assisted enzymatic extraction (UAEE).

Safety Information

• Pictograms: GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H301 + H331,H350,H410
• Precautionary Statements: P202 - P261 - P264 - P273 - P301 + P310 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves