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221244

Sigma-Aldrich

Ammonium nitrate

ACS reagent, ≥98%

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About This Item

Linear Formula:
NH4NO3
CAS Number:
6484-52-2
Molecular Weight:
80.04
EC Number:
229-347-8
MDL number:
MFCD00011425
UNSPSC Code:
12352300
eCl@ss:
38060309
PubChem Substance ID:
329752251
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

Assay

≥98%

form

powder, crystals or granules

impurities

≤0.005% insolubles

ign. residue

≤0.01%

pH

4.5-6.0 (25 °C, 5%)

bp

210 °C (lit.)

mp

169 °C (lit.)

anion traces

chloride (Cl-): ≤5 ppm
nitrite (NO2-): passes test (lim. ~5 ppm)
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.002%

cation traces

Fe: ≤2 ppm
heavy metals (as Pb): ≤5 ppm

SMILES string

N.O[N+]([O-])=O

InChI

1S/HNO3.H3N/c2-1(3)4;/h(H,2,3,4);1H3

InChI key

PRORZGWHZXZQMV-UHFFFAOYSA-N

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General description

Ammonium nitrate is a major component in nitrogen fertilizers explosives and propellant oxidizer.

Pictograms

Flame over circleExclamation mark
GHS03,GHS07

Signal Word

Warning

Hazard Statements

H272,H319

Hazard Classifications

Eye Irrit. 2 - Ox. Sol. 3

Storage Class Code

5.1C - Ammonium nitrate and ammonium nitrate containing preparations

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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The Fertilizer Encyclopedia, 46-46 null
Ammonium nitrate: combustion mechanism and the role of additives.
Sinditskii VP, et al.
Propellants, Explosives, Pyrotechnics, 30(4), 269-280 (2005)
Synthesis and characterization of hybrid MCM-41 materials for heavy metal adsorption.
Dimos K, et al.
Microporous and Mesoporous Materials : The Official Journal of the International Zeolite Association, 126(1), 65-71 (2009)
Sarah J Benson et al.
Science & justice : journal of the Forensic Science Society, 49(2), 73-80 (2009-07-18)
An evaluation was undertaken to determine if isotope ratio mass spectrometry (IRMS) could assist in the investigation of complex forensic cases by providing a level of discrimination not achievable utilising traditional forensic techniques. The focus of the research was on
Sari Palmroth et al.
Annals of botany, 111(3), 467-477 (2013-01-10)
Water and nitrogen (N) are two limiting resources for biomass production of terrestrial vegetation. Water losses in transpiration (E) can be decreased by reducing leaf stomatal conductance (g(s)) at the expense of lowering CO(2) uptake (A), resulting in increased water-use
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