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Merck
CN

307602

Ammonium hydrogensulfate

98%

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
UNSPSC Code:
12352300
PubChem Substance ID:
329753580
EC Number:
232-265-5
MDL number:
MFCD00051073
Assay:
98%

Key Documents

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InChI key

BIGPRXCJEDHCLP-UHFFFAOYSA-N

InChI

1S/H3N.H2O4S/c;1-5(2,3)4/h1H3;(H2,1,2,3,4)

SMILES string

N.OS(O)(=O)=O

assay

98%

bp

350 °C (dec.)(lit.)

mp

121-145 °C (lit.)

density

1.79 g/mL at 25 °C (lit.)

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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
BCBS4404V
BCBQ2457V
11508DJ
1317634
1372695

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Sangil Lee et al.
Journal of the Air & Waste Management Association (1995), 57(9), 1123-1135 (2007-10-05)
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
W J Mautz et al.
Toxicological sciences : an official journal of the Society of Toxicology, 61(2), 331-341 (2001-05-16)
The purpose of this study was to examine a broad range of toxicologic responses in rats exposed to a multi-component pollutant atmosphere. Cumulative and adaptive respiratory tract responses to 3 concentrations of an inhaled particle-oxidant mixture were examined in Fisher
R B Schlesinger
Environmental health perspectives, 79, 121-126 (1989-02-01)
The ability of the lungs to clear deposited material is essential for maintenance of lung homeostasis. Acid aerosols have been shown to alter the efficiency of this process. This paper assesses the role of acid aerosol exposure concentration (C), exposure
R B Schlesinger et al.
Environmental research, 52(2), 210-224 (1990-08-01)
Inhaled acidic sulfate aerosols affect various aspects of lung function, presumably by delivery of hydrogen ion (H+) to target sites. Recent evidence suggests that the relationship between response and H+ content of the exposure atmosphere may depend upon the specific
Chong Qiu et al.
Environmental science & technology, 45(11), 4748-4755 (2011-05-05)
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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