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Nitrates and nitrites

Barium nitrite

Also known as Nitrous acid, barium salt, Nitrous acid, barium salt (2:1), barium(2+), dinitrite

CAS 13465-94-6Formula BaN2O4Molar mass 229.34 g/molEC 236-709-9
GHS signal word: Warning. Pictograms: Harmful or irritant
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Barium nitrite chemical structure, BaN2O4, CAS 13465-94-6
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Solid
Melting point
267 °C
Density
3.234 @25 °C
HS code
283410
Category
Nitrates and nitrites
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Barium nitrite?

Plain description, key identifiers and synonyms

Barium nitrite is a chemical substance with the molecular formula BaN2O4 and a molar mass of 229.34 g/mol. Its CAS registry number is 13465-94-6. The IUPAC name is barium(2+) dinitrite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
barium(2+) dinitrite
CAS number
13465-94-6 CAS number cross-checkedOther or deprecated CAS: 115216-77-8
EC numbers
236-709-9, 682-906-1
Molecular formula
BaN2O4
UNII
5N5G361962
InChIKey
GJTDJAPHKDIQIQ-UHFFFAOYSA-L
InChI
InChI=1S/Ba.2HNO2/c;2*2-1-3/h;2*(H,2,3)/q+2;;/p-2
SMILES (canonical and isomeric)
N(=O)[O-].N(=O)[O-].[Ba+2]

Synonyms

  • Nitrous acid, barium salt
  • Nitrous acid, barium salt (2:1)
  • barium(2+), dinitrite
  • barium dinitrite

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

Physical form
Solidexp.
Melting point
267 °Cexp.
Density
3.234 @25 °Cexp.

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
229.34 g/molcalc.
Exact mass
229.8911 Dacalc.
LogP (octanol/water)
0.12calc.
Topological polar surface area
105 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H332Harmful if inhaled.
Precautionary statements (9)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P330Rinse mouth.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Barium nitrite suppliers

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Barium nitrite price

Indicative price range per kg from live supplier offers

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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: Inactive 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 Barium 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 Barium nitrite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Barium nitrite?

Barium nitrite is a chemical substance with the molecular formula BaN2O4 and a molar mass of 229.34 g/mol. Its CAS registry number is 13465-94-6. The IUPAC name is barium(2+) dinitrite.

What is the CAS number of Barium nitrite?

The CAS registry number of Barium nitrite is 13465-94-6. Other or deprecated CAS numbers: 115216-77-8.

What is the molecular formula and weight of Barium nitrite?

The molecular formula of Barium nitrite is BaN2O4 and its molar mass is 229.34 g/mol.

Is Barium nitrite hazardous?

Barium nitrite carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Barium nitrite?

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

Where can I buy Barium nitrite?

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What is the price of Barium nitrite?

Suppliers quote Barium 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 Barium 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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