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Chemical substance record

Ammonium nitrate

6484-52-2H4N.NO380.043 g/mol
Salt and Compound WithChEBI source record

The ammonium salt of nitric acid. — ChEBI

Safety references

Safety documents & references

1 indexed references
JP · NITE

Government GHS classification

H26-B-115 / - · FY2014

View classification

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Identity & molecular properties

Source-linked values
CAS number6484-52-2ChEBI ↗
Molecular formulaH4N.NO3ChEBI ↗
Molar mass80.043 g/molChEBI ↗
Monoisotopic mass80.02219 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:63038ChEBI ↗

Cross-source molecular data

PubChem
Molar mass80.044 g/molPubChem ↗
Exact mass80.02219199 DaPubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

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ammonium nitrate
azanium nitrate
DVARTQFDIMZBAA-UHFFFAOYSA-O
O=[N+]([O-])[O-].[NH4+]
InChI=1S/NO3.H3N/c2-1(3)4;/h;1H3/q-1;/p+1

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

fertilizeroxidising agentexplosive

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Safety classification · Japan

NITE / Japanese government
Japan · FY2014 source classification
Ammonium nitrate · H26-B-115 / -
EndpointReported classification
Oxidizing solidsCategory 3
Serious eye damage/eye irritationCategory 2A
Specific target organ toxicity - Repeated exposureCategory 1 (blood system)

Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.

Read the original NITE classification

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.0124933 mol

Uses 80.043 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
O
Oxygen · 3 atoms
59.96%
N
Nitrogen · 2 atoms
35.00%
H
Hydrogen · 4 atoms
5.04%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

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Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:63038

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 22985 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.