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Nitrogen trichloride

Also known as Trichloramine, Nitrogen chloride, Agene

CAS 10025-85-1Formula Cl3NMolar mass 120.37 g/molEC 233-045-1
Nitrogen trichloride chemical structure, Cl3N, CAS 10025-85-1
2D chemical structure

Key facts

What buyers check first

Appearance
Yellow, oily liquid, explodes
Melting point
-40 °C
Boiling point
71 °C
Density
1.653 g/cm³
Solubility
Insoluble in water
HS code
281219
Category
Chlorides and other halides
Illustrative photo, jerry cans of golden oil in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Nitrogen trichloride?

Plain description, key identifiers and synonyms

Nitrogen trichloride is a nitrogen halide.

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
10025-85-1 CAS number cross-checked
EC number
233-045-1
Molecular formula
Cl3N
UNII
VA681HRW8W
InChIKey
QEHKBHWEUPXBCW-UHFFFAOYSA-N
InChI
InChI=1S/Cl3N/c1-4(2)3
SMILES (canonical and isomeric)
N(Cl)(Cl)Cl

Synonyms

  • Trichloramine
  • Nitrogen chloride
  • Agene
  • Trichlorine nitride
  • Chlorine nitride
  • NCl3
  • trichloroazane
  • Nitrogen chloride (NCl3)
  • trichloridonitrogen
  • Nitrogen trichloride [Forbidden]
  • [NCl3]
  • trichloroamine
  • N,N-Dichlorohypochlorous amide

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

Appearance
Yellow, oily liquid, explodesexp.
Odour
Pungentexp.
Melting point
-40 °Cexp.
Boiling point
71 °Cexp.
Density
1.653 g/cm³exp.
Solubility
Insoluble in waterexp.
Vapour pressure
VP: 1 kPa at -25 °C (ext), 10 kPa at 13.2 °C, 100 kPa at 70.6 °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
120.37 g/molcalc.
Exact mass
118.9096 Dacalc.
LogP (octanol/water)
1.75calc.
Topological polar surface area
3.24 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

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.

Nitrogen trichloride suppliers

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Nitrogen trichloride 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

Reaction of NCl3 with olefins gives high yields of vicinal dichlorides via a radical mechanism. When catalyzed with AlCl3, trichloramine acts as an aminating agent towards various organic substrates.

Flour bleach (no longer permitted in US).

Bleaching of flour, wastage control of citrus fruit.

How it is made

Trichloramine is prepared by reaction of (NH4)2SO4 with Cl2 or HOCl with ammonia in a 3:1 M ratio at pH 3-4.

Prepared by the action of chlorine gas or hypochlorous acid on ammonium salts ..., by reaction of anhydrous ammonia and anhydrous chlorine ..., industrially by electrolyzing an acidified solution of ammonium chloride: United States of America patent 2118903 (1938), Germany patent 641816 (1937), United Kingdom patent 494188 (1938)...

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Nitrogen trichloride is traded under.

HS 2812.19Indicative HS code

Chlorides and chloride oxides, other

World exports in 2024
$159M
+15.9% vs 2023, imports $156M
2019 to 2024
Top exporters
  1. South Korea32.7%
  2. Japan21.7%
  3. Germany16.4%
Top importers
  1. China27.8%
  2. Singapore21.4%
  3. South Korea19.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Nitrogen trichloride, based on the data on this page

What is Nitrogen trichloride?

Nitrogen trichloride is a nitrogen halide.

What is the CAS number of Nitrogen trichloride?

The CAS registry number of Nitrogen trichloride is 10025-85-1.

What is the molecular formula and weight of Nitrogen trichloride?

The molecular formula of Nitrogen trichloride is Cl3N and its molar mass is 120.37 g/mol.

What is Nitrogen trichloride used for?

Reaction of NCl3 with olefins gives high yields of vicinal dichlorides via a radical mechanism. When catalyzed with AlCl3, trichloramine acts as an aminating agent towards various organic substrates. Flour bleach (no longer permitted in US). Bleaching of flour, wastage control of citrus fruit.

Is Nitrogen trichloride hazardous?

No GHS hazard classification for Nitrogen trichloride 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 Nitrogen trichloride?

Nitrogen trichloride is usually classified under HS code 281219 (Chlorides and chloride oxides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Nitrogen trichloride?

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What is the price of Nitrogen trichloride?

Suppliers quote Nitrogen trichloride 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 Nitrogen trichloride

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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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