455849
Ammonium hydrogensulfate
99.99% trace metals basis
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:
12352302
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
Assay
99.99% trace metals basis
form
crystalline
impurities
≤200 mg/kg Trace metallic impurities analysis (ICP)
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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Application
- Enhancement of Aesthetic Dental CAD-CAM Materials through Surface Etching with a Mixed Aqueous Solution of Ammonium Fluoride and Ammonium Hydrogen Sulfate - This study explores the potential of ammonium hydrogen sulfate in surface etching applications for dental materials, focusing on its low toxicity and effective etching capabilities (Y Nishizawa et al., 2024).
- Thermodynamics of ammonioalunite precipitation in ammonium aluminum sulfate solution - Investigates the thermodynamic properties of ammonium aluminum sulfate solutions, providing insights into chemical processes involving ammonium hydrogen sulfate (X Yang et al., 2020).
- Hygroscopic behavior and chemical composition evolution of internally mixed aerosols composed of oxalic acid and ammonium sulfate - Studies the hygroscopic properties of mixed aerosol particles, including those formed with ammonium hydrogen sulfate, to understand atmospheric chemical processes better (X Wang et al., 2017).
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class Code
8B - Non-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
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The heterogeneous reactions between alkylamines and ammonium salts (ammonium sulfate and ammonium bisulfate) have been studied using a low-pressure fast flow reactor coupled to an ion drift-chemical ionization mass spectrometer (ID-CIMS) at 293 ± 2 K. The uptake of three
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Particulate matter (PM) less than 2.5 microm in size (PM2.5) source apportionment by chemical mass balance receptor modeling was performed to enhance regional characterization of source impacts in the southeastern United States. Secondary particles, such as NH4HSO4, (NH4)2SO4, NH4NO3, and
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