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Arsenic Acid Hemihydrate

Arsenic acid Hemihydrate / CAS : 7774-41-6

Appearance Colorless to white transparent rhombic crystal system with small plate-like crystals and deliquescence. UN 0
HS 0 DG Class 0
Synonyms Orthoarsenic acid Hemihydrate; Arsenic ACID, Hemihydrate; Arsoric acid;Hydrate; Arsenic acid (H3AsO4), Hemihydrate
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Properties

Summary

Formula
As2H8O9
Molecular Mass
301.90100
Exact Mass
301.86000
PSA
164.75000
Logp
-4.40550
IUPAC
arsoric acid;hydrate
SMILES
O.O[As](=O)(O)O.O[As](=O)(O)O

Attribute classification

Matter Classification
inorganic
Category
Inorganic Chemicals > Inorganic Acid

Chemical and Physical Properties

Melting Point
35.5ºC
Density
2.0~2.5
Boiling Point
160(脱水)
Appearance
Colorless to white transparent rhombic crystal system with small plate-like crystals and deliquescence.

Export information

HS Code
0
UN No.
0
DG-Class
0

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