95420
钨酸
≥98.0% (calcined substance, T), powder
别名:
Tungstic(VI) acid
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关于此项目
线性分子式:
H2WO4
化学文摘社编号:
分子量:
249.85
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
231-975-2
MDL number:
Assay:
≥98.0% (calcined substance, T)
Form:
powder
Quality Segment
assay
≥98.0% (calcined substance, T)
form
powder
impurities
≤0.2% insoluble matter in NaOH
loss
≤9.0% loss on ignition
density
5.5 g/mL at 25 °C (lit.)
SMILES string
O[W](O)(=O)=O
InChI
1S/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2
InChI key
CMPGARWFYBADJI-UHFFFAOYSA-L
General description
Tungstic acid may be prepared by either digesting tungstate of lime or by treating tungsten with hydrochloric acid. 1
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)