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A6756 Sigma-Aldrich

Sodium arsenate dibasic heptahydrate

≥98.0%

Synonym: Disodium hydrogen arsenate heptahydrate, di-Sodium hydrogen arsenate heptahydrate

  • CAS Number 10048-95-0

  • Linear Formula Na2HAsO4 · 7H2O

  • Molecular Weight 312.01

  •  MDL number MFCD00149179

  •  PubChem Substance ID 24891135

  •  NACRES NA.21

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Properties

Related Categories Arsenic Catalysts, Catalysis and Inorganic Chemistry, Chemical Synthesis, Essential Chemicals, Research Essentials,
Quality Level   200
assay   ≥98.0%
form   powder
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).

Packaging

50, 100 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1685 6.1 / PGII
WGK Germany 
WGK 3
RTECS 
CG0900000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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