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Disinfectants and oxidizers

Chloramine B

Also known as Chloramine-B, Neomagnol, Benzene chloramine

CAS 127-52-6Formula C6H5ClNNaO2SMolar mass 213.62 g/molEC 204-847-9
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Serious health hazard 17 suppliers listed
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Chloramine B chemical structure, C6H5ClNNaO2S, CAS 127-52-6
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White powder
Melting point
170 to 173
Solubility
SOL IN 20 PARTS WATER, MORE SOL IN HOT WATER, IN 25 PARTS ETHANOL, YIELDING TURBID SOLN,…
HS code
293590
Category
Disinfectants and oxidizers
Illustrative photo, fine white powder in an amber glass reagent bottle on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Chloramine B?

Plain description, key identifiers and synonyms

Chloramine B is a chemical substance with the molecular formula C6H5ClNNaO2S and a molar mass of 213.62 g/mol. Its CAS registry number is 127-52-6. The IUPAC name is sodium benzenesulfonyl(chloro)azanide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium benzenesulfonyl(chloro)azanide
CAS number
127-52-6 CAS number cross-checked
EC number
204-847-9
Molecular formula
C6H5ClNNaO2S
UNII
17X76DR1ZM
MDL number
MFCD00007545
InChIKey
KDNCILYKSYKEFJ-UHFFFAOYSA-N
InChI
InChI=1S/C6H5ClNO2S.Na/c7-8-11(9,10)6-4-2-1-3-5-6;/h1-5H;/q-1;+1
SMILES (canonical and isomeric)
C1=CC=C(C=C1)S(=O)(=O)[N-]Cl.[Na+]

Synonyms

  • Chloramine-B
  • Neomagnol
  • Benzene chloramine
  • Annogen
  • Khloramin B
  • Monochloramine B
  • N-Chlorobenzenesulfonamide sodium salt
  • Chloramin B
  • Sodium benzenesulfochloramine
  • Sodium benzosulfochloramide
  • N-Chloro-N-sodiobenzenesulfonamide
  • Benzenesulfochloramide sodium
  • Sodium benzenesulfonchloramide
  • Sodium benzenesulfonchloramine
  • (N-Chlorobenzenesulfonamido)-sodium
  • Sodium, (chloro(phenylsulfonyl)amino)-
  • Benzenesulfonamide, N-chloro-, sodium salt
  • Benzenesulfochloramide
  • Benzenesulfonamide, N-chloro-
  • Chlorogen
  • Chloramine B hydrate
  • Benzenesulfo-sodium chloramide
  • Sodium N-chlorobenzenesulfonamide
  • Sodium, (N-chlorobenzenesulfonamido)-
  • sodium, benzenesulfonyl(chloro)azanide
Show all 36 synonyms
  • sodium (benzenesulfonyl)(chloro)azanide
  • Sodium N-chlorobenzenesulphonamide
  • N-Chlorobenzenesulfonamide sodium
  • sodium chloro(phenylsulfonyl)amide
  • Benzenesulfonechloramide Sodium Salt
  • N-Chlorobenzenesulfonamide sodium salt, ~28% active chlorine basis
  • N-Chlorobenzenesulfonamide, sodium salt
  • C6H5ClNNaO2S
  • N-Chlorobenzenesulfonamide sodium salt (1:1)
  • Benzenesulfochloramide, N-chloro-, sodium salt
  • Benzensulfonchloramide sodium

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
White powderexp.
Odour
Faint chlorine odorexp.
Melting point
170 to 173exp.
Solubility
SOL IN 20 PARTS WATER, MORE SOL IN HOT WATER, IN 25 PARTS ETHANOL, YIELDING TURBID SOLN, VERY SPARINGLY SOL IN ETHER, CHLOROFORM /TRIHYDRATE/exp.

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
213.62 g/molcalc.
Exact mass
212.9627 Dacalc.
LogP (octanol/water)
-1.09calc.
Topological polar surface area
48.24 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Precautionary statements (20)
  • P233Keep container tightly closed.
  • P260Do not breathe 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P342 + P316If experiencing respiratory symptoms: Get emergency medical help immediately.
  • P363Wash contaminated clothing before reuse.
  • P403Store in a well-ventilated place.
  • P405Store locked up.
  • 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

Chloramine B suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 17 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

17 suppliers in 4 countries

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Chloramine B 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

Antibacterial, vet: topical antiseptic.

Chloramine B used as a disinfectant is inhibitory to Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus.

Pharmacological actions

  • Disinfectants

How it is made

Prepd via benzenesulfonamide: chattaway, j chem soc 87, 145 (1905), cuiban et al, pharmazie 13, 407 (1958).

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 Chloramine B is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Chloramine B, based on the data on this page

What is Chloramine B?

Chloramine B is a chemical substance with the molecular formula C6H5ClNNaO2S and a molar mass of 213.62 g/mol. Its CAS registry number is 127-52-6. The IUPAC name is sodium benzenesulfonyl(chloro)azanide.

What is the CAS number of Chloramine B?

The CAS registry number of Chloramine B is 127-52-6.

What is the molecular formula and weight of Chloramine B?

The molecular formula of Chloramine B is C6H5ClNNaO2S and its molar mass is 213.62 g/mol.

What is Chloramine B used for?

Antibacterial, vet: topical antiseptic. Chloramine B used as a disinfectant is inhibitory to Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus.

Is Chloramine B hazardous?

Chloramine B carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes severe skin burns and eye damage, may cause allergy or asthma symptoms or breathing difficulties if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Chloramine B?

Chloramine B is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Chloramine B?

CompoundList lists 17 suppliers of Chloramine B in China, Russia, Belarus and Ukraine. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Chloramine B?

Suppliers quote Chloramine B 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 Chloramine B

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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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