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Ammonium sulfate

SIAL/59845 - analytical standard, for Nitrogen Determination According to Kjeldahl Method, traceable to NIST SRM 194

Synonym: Mascagnite

CAS Number: 7783-20-2
Empirical Formula (Hill Notation): H8N2O4S
Molecular Weight: 132.14
EC Number: 231-984-1
MDL Number: MFCD00003391
Linear Formula: (NH4)2SO4
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-59845-25G 25 g
$65.80
1/EA
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assay ≥99.5%
density 1.77 g/mL at 25 °C (lit.)
format neat
grade analytical standard
impurities 21.20%±0.10% total Kjeldahl nitrogen
InChI 1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
InChI key BFNBIHQBYMNNAN-UHFFFAOYSA-N
loss ≤0.1% loss on drying, 110°C
mp >280 °C (dec.) (lit.)
pH 5.0-6.0 (25 °C, 1 M in H2O)
quality traceable to NIST SRM 194
Quality Level 100 
shelf life limited shelf life, expiry date on the label
SMILES string N.N.OS(O)(=O)=O
solubility soluble, clear, colorless
Application:


  • Alkaline sodium hypochlorite irrigant and its chemical interactions: Discusses the chemical interactions of sodium hypochlorite with other endodontic agents like EDTA and citric acid, emphasizing its role in tissue dissolution during dental procedures (Wright, Kahler, Walsh, 2017 ).




RIDADR NONH for all modes of transport
WGK Germany WGK 1
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥99.5%
mp >280 °C (dec.) (lit.)
Density 1.77 g/mL at 25 °C (lit.)
UNSPSC 85151701

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