Ammonium nitrate
SIAL/804819 - anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥98%
CAS Number: 6484-52-2
Empirical Formula (Hill Notation): H4N2O3
Molecular Weight: 80.04
EC Number: 229-347-8
MDL Number: MFCD00011425
Linear Formula: NH4NO3
Product Type: Chemical
anion traces | chloride (Cl-): ≤5 ppm |
nitrite (NO2-): passes test (lim. ∼5 ppm) | |
phosphate (PO43-): ≤5 ppm | |
sulfate (SO42-): ≤0.002% | |
assay | ≥98% |
bp | 210 °C (lit.) |
cation traces | Fe: ≤2 ppm |
heavy metals (as Pb): ≤5 ppm | |
form | powder or crystals |
grade | ACS reagent |
ign. residue | ≤0.01% |
impurities | ≤0.005% insolubles |
InChI | 1S/HNO3.H3N/c2-1(3)4;/h(H |
InChI key | PRORZGWHZXZQMV-UHFFFAOYSA |
mp | 169 °C (lit.) |
pH | 4.5-6.0 (25 °C, 5%) |
product line | Redi-Dri™ |
quality | free-flowing |
Quality Level | 100 ![]() |
SMILES string | N.O[N+]([O-])=O |
Legal Information: | Redi-Dri is a trademark of Sigma-Aldrich Co. LLC |
Symbol | ![]() ![]() |
Signal word | Warning |
Hazard statements | H272 - H319 |
Precautionary statements | P210 - P305 + P351 + P338 |
RIDADR | UN 1942 5.1 / PGIII |
WGK Germany | WGK 1 |
Purity | ≥98% |
bp | 210 °C (lit.) |
mp | 169 °C (lit.) |
UNSPSC | 12352300 |