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Name |
Diammonium hydrogen arsenate |
EINECS | 232-067-9 |
CAS No. | 7784-44-3 | Density | 1.989 |
PSA | 86.25000 | LogP | 0.27260 |
Solubility | soluble H2O, decomposed by hot H2O [HAW93] | Melting Point |
decomposes [CRC10] |
Formula | AsH3 O4 . 2 H3 N | Boiling Point | N/A |
Molecular Weight | 158.974 | Flash Point | N/A |
Transport Information | N/A | Appearance | white to off-white powder |
Safety | Confirmed human carcinogen. A poison. When heated to decomposition it emits very toxic fumes of As, NOx, and NH3. See also ARSENIC. | Risk Codes | N/A |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Ammoniumarsenate ((NH4)2AsHO4) (6CI,7CI); Ammonium acid arsenate; Ammonium arsenate((NH4)2HAsO4); Diammonium arsenate; Diammonium hydrogen arsenate; Diammoniummonohydrogen arsenate; Dibasic ammonium arsenate; Secondary ammonium arsenate |
Article Data | 19 |
Empirical Formula: H9AsN2O4
Molecular Weight: 176.0041
EINECS: 232-067-9
Appearance: A white crystalline solid
Solubility: Water soluble; decomposes in hot water
Structure of Diammonium hydrogen arsenate (CAS NO.7784-44-3):
IUPAC Name of Diammonium hydrogen arsenate (CAS NO.7784-44-3): Diazanium hydrogen arsorate
Canonical SMILES: [NH4+].[NH4+].O[As](=O)([O-])[O-]
InChI: InChI=1S/AsH3O4.2H3N/c2-1(3,4)5;;/h(H3,2,3,4,5);2*1H3
InChIKey: XPVHUBFHKQQSDA-UHFFFAOYSA-N
Arsenic and its compounds are on the Community Right-To-Know List.
Confirmed human carcinogen. A poison. When heated to decomposition it emits very toxic fumes of As, NOx, and NH3. See also ARSENIC.
OSHA PEL: OSHA: Cancer Hazard
ACGIH TLV: TWA 0.01 mg/m3; Confirmed Human Carcinogen; BEI: 35 µ (As)/L inorganic arsenic and methylated metabolites in urine
NIOSH REL: (Inorganic Arsenic) CL 0.002 mg(As)/m3/15M
DOT Classification: 6.1; Label: Poison
Diammonium hydrogen arsenate ,its cas register number is 7784-44-3. It also can be called Dibasic ammonium arsenate ; Ammonium acid arsenate ; Diammonium monohydrogen arsenate ; and Arsenic acid, diammonium salt .Solutions of Diammonium hydrogen arsenate (CAS NO.7784-44-3) are acidic. They neutralize bases in reactions that generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acids.