S9663
砷酸二钠 七水合物
ACS reagent, ≥98%
别名:
di-Sodium hydrogen arsenate 七水合物, 砷酸氢二钠 七水合物
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关于此项目
线性分子式:
Na2HAsO4 · 7H2O
化学文摘社编号:
分子量:
312.01
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:
Assay:
≥98%, 98.0-102.0%
Grade:
ACS reagent
Form:
powder
grade
ACS reagent
Quality Segment
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
七水合砷酸二钠可作为各种光谱方法定量砷种类的内标。
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A
存储类别
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