307602
Ammonium hydrogensulfate
98%
Synonym(s):
Ammonium bisulfate, Ammonium sulfate monobasic
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About This Item
Linear Formula:
(NH4)HSO4
CAS Number:
Molecular Weight:
115.11
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
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Assay
98%
bp
350 °C (dec.)(lit.)
mp
121-145 °C (lit.)
density
1.79 g/mL at 25 °C (lit.)
SMILES string
N.OS(O)(=O)=O
InChI
1S/H3N.H2O4S/c;1-5(2,3)4/h1H3;(H2,1,2,3,4)
InChI key
BIGPRXCJEDHCLP-UHFFFAOYSA-N
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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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J D Hackney et al.
Environmental health perspectives, 63, 57-61 (1985-11-01)
Observations of high acidity (pH as low as 1.7) in fogwater collected in polluted areas have provoked concern for public health. Effects of exposure to acidic pollutants have not been studied under foggy conditions; thus there is no directly relevant
Ammonium bisulfite contact dermatitis: face eczema due to a bleaching ointment used during hair-dying.
A Nassif
Contact dermatitis, 55(2), 124-124 (2006-08-26)
Michael T Kleinman et al.
Journal of the Air & Waste Management Association (1995), 53(9), 1080-1087 (2003-09-19)
This study tested the hypothesis that exposure to mixtures containing fine particles and ozone (O3) would cause pulmonary injury and decrements in functions of immunological cells in exposed rats (22-24 months old) in a dose-dependent manner. Rats were exposed to
R W Stacy et al.
Archives of environmental health, 38(2), 104-115 (1983-03-01)
A total of 231 normal male human subjects were exposed for 4 hr to air, ozone, nitrogen dioxide, or sulfur dioxide; to sulfuric acid, ammonium bisulfate, ammonium sulfate, or ammonium nitrate aerosols; or to mixtures of these gaseous and aerosol
T B Martonen et al.
Environmental health perspectives, 63, 11-24 (1985-11-01)
Atmospheric sulfate aerosols [H2SO4, (NH4)2SO4, and NH4HSO4] are of international concern because of their global prevalence and potential irritant or toxic effects on humans. To assess hazards following inhalation exposure, the total dose delivered to the human respiratory tract and
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