Sodium arsenate dibasic heptahydrate

SIGMA/A6756 - ≥98.0%

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

CAS Number: 10048-95-0
Empirical Formula (Hill Notation): HAsNa₂O₄ · 7H₂O
Molecular Weight: 312.01
MDL Number: MFCD00149179
Linear Formula: Na₂HAsO₄ · 7H₂O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-A6756-50G	50 g	$91.60 1/EA	Add To Favorites
45-A6756-100G	100 g	$151.00 1/EA	Add To Favorites

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Properties
Descriptions
Safety Info.
Basic Data

assay	≥98.0%
form	powder
InChI	1S/AsH3O4.2Na.7H2O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;71H2/q;2+1;;;;;;;/p-2
InChI key	KOLXPEJIBITWIQ-UHFFFAOYSA-L
pH	8.5-9.0 (25 °C, 50 g/L)
Quality Level	200
reaction suitability	reagent type: catalyst core: arsenic
SMILES string	O.O.O.O.O.O.O.[Na+].[Na+].O[As]([O-])([O-])=O

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).
General description:	Sodium arsenate dibasic heptahydrate (As(V)) is an arsenic compound.
Packaging:	50, 100 g in glass bottle

Symbol	GHS06,GHS08,GHS09
Signal word	Danger
Hazard statements	H301 + H331 - H350 - H410
Precautionary statements	P201 - P202 - P261 - P273 - P301 + P310 - P304 + P340 + P311
Hazard Codes	T,N
Risk Statements	45-23/25-50/53
Safety Statements	53-45-60-61
RIDADR	UN 1685 6.1 / PGII
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥98.0%
UNSPSC	12352300

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