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Dye intermediates

Bansyl compound

Also known as 1-Naphthalenesulfonyl chloride, 5-(dibutylamino)-, Bansyl Chloride, 5-(Dibutylamino)naphthalene-1-sulfonyl Chloride

CAS 43040-76-2Formula C18H24ClNO2SMolar mass 353.92 g/molEC 677-963-4
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 1 supplier listed
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Bansyl compound chemical structure, C18H24ClNO2S, CAS 43040-76-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
43040-76-2
Formula
C18H24ClNO2S
Molar mass
353.92 g/mol
EC number
677-963-4
HS code
292145
Category
Dye intermediates

What is Bansyl compound?

Plain description, key identifiers and synonyms

Bansyl compound is a chemical substance with the molecular formula C18H24ClNO2S and a molar mass of 353.92 g/mol. Its CAS registry number is 43040-76-2. The IUPAC name is 5-(dibutylamino)naphthalene-1-sulfonyl chloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-(dibutylamino)naphthalene-1-sulfonyl chloride
CAS number
43040-76-2 CAS number cross-checked
EC number
677-963-4
Molecular formula
C18H24ClNO2S
MDL number
MFCD00059134
InChIKey
PIZHBGYIKYGXBV-UHFFFAOYSA-N
InChI
InChI=1S/C18H24ClNO2S/c1-3-5-13-20(14-6-4-2)17-11-7-10-16-15(17)9-8-12-18(16)23(19,21)22/h7-12H,3-6,13-14H2,1-2H3
SMILES (canonical and isomeric)
CCCCN(CCCC)C1=CC=CC2=C1C=CC=C2S(=O)(=O)Cl

Synonyms

  • 1-Naphthalenesulfonyl chloride, 5-(dibutylamino)-
  • Bansyl Chloride
  • 5-(Dibutylamino)naphthalene-1-sulfonyl Chloride
  • 5-Dibutylamino-naphthalene-1-sulfonyl chloride
  • C18H24ClNO2S
  • 5-(Dibutylamino)naphthalene-1-sulfonylChloride
  • 5-(N,N-Dibutylamino)naphthalene-1-sulfonyl Chloride
  • 5-(Dibutylamino)-1-naphthalenesulfonyl chloride, AldrichCPR

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
353.92 g/molcalc.
Exact mass
353.1216 Dacalc.
LogP (octanol/water)
5.17calc.
Topological polar surface area
37.38 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
8calc.
Heavy atoms
23calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.44calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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, c1ccc2ccccc2c1

c1ccc2ccccc2c1

2 rings, 10 atoms, the Naphthalene ring system.

17,920 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

Hazard statements

  • H290May be corrosive to metals.
  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
Precautionary statements (20)
  • P234Keep only in original packaging.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face 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.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P363Wash contaminated clothing before reuse.
  • P390Absorb spillage to prevent material damage.
  • P405Store locked up.
  • P406Store in a corrosion resistant container with a resistant inner liner.
  • 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

Bansyl compound 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

1 supplier in 1 country

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Bansyl compound 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

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 Bansyl compound is traded under.

HS 2921.45Indicative HS code

1-Naphthylamine (α-naphthylamine), 2-naphthylamine (β-naphthylamine) and their…

World exports in 2024
$58.2M
+12.9% vs 2023, imports $75.3M
2019 to 2024
Top exporters
  1. China61.3%
  2. India * partner reported25.6%
  3. United States5.8%
Top importers
  1. India * partner reported31.1%
  2. Japan15.8%
  3. South Korea13.5%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Bansyl compound, based on the data on this page

What is Bansyl compound?

Bansyl compound is a chemical substance with the molecular formula C18H24ClNO2S and a molar mass of 353.92 g/mol. Its CAS registry number is 43040-76-2. The IUPAC name is 5-(dibutylamino)naphthalene-1-sulfonyl chloride.

What is the CAS number of Bansyl compound?

The CAS registry number of Bansyl compound is 43040-76-2.

What is the molecular formula and weight of Bansyl compound?

The molecular formula of Bansyl compound is C18H24ClNO2S and its molar mass is 353.92 g/mol.

Is Bansyl compound hazardous?

Bansyl compound carries the GHS signal word "Danger". Main hazards: may be corrosive to metals, harmful if swallowed, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Bansyl compound?

Bansyl compound is usually classified under HS code 292145 (1-Naphthylamine (α-naphthylamine), 2-naphthylamine (β-naphthylamine) and their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bansyl compound?

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

What is the price of Bansyl compound?

Suppliers quote Bansyl compound 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 Bansyl compound

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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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