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455849

Sigma-Aldrich

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:
7803-63-6
Molecular Weight:
115.11
EC Number:
232-265-5
MDL number:
MFCD00051073
UNSPSC Code:
12352302
PubChem Substance ID:
24869087
NACRES:
NA.23

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).

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificates of Analysis (COA)

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Bryan R Bzdek et al.
The journal of physical chemistry. A, 114(43), 11638-11644 (2010-10-13)
The reaction kinetics of ammonium bisulfate clusters with dimethylamine (DMA) gas were investigated using Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS). Clusters ranged in size from 1 to 10 bisulfate ions. Although displacement of the first several ammonium ions
W S Tunnicliffe et al.
Occupational and environmental medicine, 60(11), e15-e15 (2003-10-24)
To explore the effects in normal and asthmatic adults of exposure to 200 ppb sulphur dioxide (SO2) and 200 microg/m3 and 2000 microg/m3 aerosols of ammonium bisulphate (AB) and sulphuric acid (SA) (MMD 0.3 microm). Exposures were placebo controlled, for
Guangjie Li et al.
Planta, 235(2), 239-252 (2011-08-26)
Ammonium (NH(4)(+)) toxicity is a significant agricultural problem globally, compromising crop growth and productivity in many areas. However, the molecular mechanisms of NH(4)(+) toxicity are still poorly understood, in part due to a lack of valuable genetic resources. Here, a
R B Schlesinger
Environmental research, 34(2), 268-279 (1984-08-01)
The effect of 1-hr oral inhalation exposures to submicrometer aerosols of ammonium bisulfate (NH4HSO4), ammonium sulfate [NH4)2SO4), and sodium sulfate (Na2SO4) upon mucociliary clearance from the bronchial tree of rabbits was examined. Exposures to NH4HSO4 at concentrations of approximately 600-1700
T B Martonen et al.
Journal of toxicology and environmental health, 8(5-6), 1001-1014 (1981-11-01)
Experimental measurements of the growth of monodisperse dry NH4HSO4 aerosols by H2O vapor condensation have been reported in the literature. These data are incorporated into an aerosol deposition model to study the behavior of inhaled NH4HSO4 particles, which is of
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