S9663
Sodium arsenate dibasic heptahydrate
ACS reagent, ≥98%
Synonym(s):
Disodium hydrogen arsenate heptahydrate, di-Sodium hydrogen arsenate heptahydrate
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About This Item
grade
ACS reagent
assay
≥98%, 98.0-102.0%
form
powder
impurities
≤0.005% Insoluble matter
pH
8.5-9 (25 °C, 50 g/L)
anion traces
arsenite (As2O3): ≤0.01%, chloride (Cl-): ≤0.001%, nitrate (NO3-): ≤0.005%, sulfate (SO42-): ≤0.01%
cation traces
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
InChI key
KOLXPEJIBITWIQ-UHFFFAOYSA-L
Application
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A
Storage Class
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
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