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Nitrates and nitrites

Ammonium nitrite

Also known as Nitrous acid, ammonium salt (1:1), Nitrous acid, ammonium salt, Ammonium nitrite (nh4no2)

CAS 13446-48-5Formula H4N2O2Molar mass 64.04 g/molEC 236-598-7
1 supplier listed
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Ammonium nitrite chemical structure, H4N2O2, CAS 13446-48-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13446-48-5
Formula
H4N2O2
Molar mass
64.04 g/mol
EC number
236-598-7
HS code
283410
Category
Nitrates and nitrites

What is Ammonium nitrite?

Plain description, key identifiers and synonyms

Ammonium nitrite is a chemical substance with the molecular formula H4N2O2 and a molar mass of 64.04 g/mol. Its CAS registry number is 13446-48-5. The IUPAC name is azanium nitrite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
azanium nitrite
CAS number
13446-48-5 CAS number cross-checked
EC number
236-598-7
Molecular formula
H4N2O2
UNII
71ZQG69956
InChIKey
CAMXVZOXBADHNJ-UHFFFAOYSA-N
InChI
InChI=1S/HNO2.H3N/c2-1-3;/h(H,2,3);1H3
SMILES (canonical and isomeric)
[NH4+].N(=O)[O-]

Synonyms

  • Nitrous acid, ammonium salt (1:1)
  • Nitrous acid, ammonium salt
  • Ammonium nitrite (nh4no2)
  • Nitrous acid ammonium salt
  • Nitrous acid ammonium salt (1:1)
  • azanium, nitrite
  • Ammoniumnitrit
  • Ammonium nitrite [Forbidden]
  • Ammonium nitrite, 20% soln
  • AMMONIUM NITRITE, 20per cent SOLN

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
64.04 g/molcalc.
Exact mass
64.0273 Dacalc.
LogP (octanol/water)
0.63calc.
Topological polar surface area
88.99 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Ammonium nitrite suppliers

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Where suppliers are based

1 supplier in 1 country

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Ammonium nitrite price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Ammonium nitrite is traded under.

HS 2834.10Indicative HS code

Nitrites

World exports in 2024
$64.9M
−6.3% vs 2023, imports $101M
2019 to 2024
Top exporters
  1. China33.8%
  2. India * partner reported30.0%
  3. United States11.3%
Top importers
  1. United States14.9%
  2. Netherlands10.2%
  3. Canada6.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Ammonium nitrite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ammonium nitrite, based on the data on this page

What is Ammonium nitrite?

Ammonium nitrite is a chemical substance with the molecular formula H4N2O2 and a molar mass of 64.04 g/mol. Its CAS registry number is 13446-48-5. The IUPAC name is azanium nitrite.

What is the CAS number of Ammonium nitrite?

The CAS registry number of Ammonium nitrite is 13446-48-5.

What is the molecular formula and weight of Ammonium nitrite?

The molecular formula of Ammonium nitrite is H4N2O2 and its molar mass is 64.04 g/mol.

Is Ammonium nitrite hazardous?

No GHS hazard classification for Ammonium nitrite is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Ammonium nitrite?

Ammonium nitrite is usually classified under HS code 283410 (Nitrites). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ammonium nitrite?

CompoundList lists 1 supplier of Ammonium nitrite in Australia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ammonium nitrite?

Suppliers quote Ammonium nitrite on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Ammonium nitrite

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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