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Synthesis reagents

Divinyl sulfone

Also known as Vinyl sulfone, Divinyl sulphone, Bis(ethenyl)sulfone

CAS 77-77-0Formula C4H6O2SMolar mass 118.16 g/molEC 201-057-6
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant, Serious health hazard 21 suppliers listed
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Divinyl sulfone chemical structure, C4H6O2S, CAS 77-77-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Melting point
-26 °C
Boiling point
234.5 °C
Density
1.177 g/cm³ @ 25 °C
Flash point
102.8 °C
HS code
293090
Category
Synthesis reagents
UN number
UN 2810
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Divinyl sulfone?

Plain description, key identifiers and synonyms

Divinyl sulfone is a sulfone compound having two S-vinyl substituents. It has a role as a cross-linking reagent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-ethenylsulfonylethene
CAS number
77-77-0 CAS number cross-checkedOther or deprecated CAS: 62804-37-9
EC number
201-057-6
Molecular formula
C4H6O2S
UNII
5PFN71LP8M
MDL number
MFCD00008623
InChIKey
AFOSIXZFDONLBT-UHFFFAOYSA-N
InChI
InChI=1S/C4H6O2S/c1-3-7(5,6)4-2/h3-4H,1-2H2
SMILES (canonical and isomeric)
C=CS(=O)(=O)C=C

Synonyms

  • Vinyl sulfone
  • Divinyl sulphone
  • Bis(ethenyl)sulfone
  • vinyl sulphone
  • TL 797
  • 1,1'-sulfonyldiethene
  • Sulfone, divinyl
  • (ethenesulfonyl)ethene
  • Sulfone, divinyl-
  • Ethene, 1,1'-sulfonylbis-
  • divinylsulfone
  • Ethene,1,1'-sulfonylbis-
  • 1-ethenylsulfonylethene
  • 1,1'-Sulphonylbisethene
  • Ethenesulfonyl-ethene
  • 1-vinylsulfonylethylene
  • vinylsulfone
  • vinylsulfonylethene
  • (vinylsulfonyl)ethene
  • (CH2=CH)2SO2
  • 1-(Vinylsulfonyl)ethylene
  • Divinyl Sulfone (Stabilized with Hydroquinone)
  • Ethene,1'-sulfonylbis-
  • (ethenylsulfonyl)ethene
  • 1,1'-sulfonyldiethylene
Show all 30 synonyms
  • Ethenylsulfonylethene
  • 1-(Vinylsulfonyl)ethylene #
  • Divinyl sulfone (stabilised with HQ)
  • Divinyl sulfone, stabilized with hq
  • Divinyl sulfone, 97%, stab. with 0.05% hydroquinone

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
Liquidexp.
Melting point
-26 °Cexp.
Boiling point
234.5 °Cexp.
Density
1.177 g/cm³ @ 25 °Cexp.
Flash point
102.8 °Cexp.
Solubility
SOL IN WATERexp.

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
118.16 g/molcalc.
Exact mass
118.0089 Dacalc.
LogP (octanol/water)
0.69calc.
Topological polar surface area
34.14 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H300 + H310Fatal if swallowed. Fatal in contact with skin.
  • H300Fatal if swallowed.
  • H310Fatal in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
  • H341Suspected of causing genetic defects.
Precautionary statements (28)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2810

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

Divinyl sulfone suppliers

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

All 21 suppliers
21 of 21 offers

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

21 suppliers in 7 countries

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Divinyl sulfone 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

Etherization of cotton by divinyl sulfone and its precursors also forms the basis for a large class of fiber-reactive dyestuffs...

/It/...can be derived from mustard gas.

Pharmacological actions

  • Coloring Agents

Roles

  • cross-linking reagent
  • reagent

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 Divinyl sulfone is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Divinyl sulfone, based on the data on this page

What is Divinyl sulfone?

Divinyl sulfone is a sulfone compound having two S-vinyl substituents. It has a role as a cross-linking reagent.

What is the CAS number of Divinyl sulfone?

The CAS registry number of Divinyl sulfone is 77-77-0. Other or deprecated CAS numbers: 62804-37-9.

What is the molecular formula and weight of Divinyl sulfone?

The molecular formula of Divinyl sulfone is C4H6O2S and its molar mass is 118.16 g/mol.

What is Divinyl sulfone used for?

Etherization of cotton by divinyl sulfone and its precursors also forms the basis for a large class of fiber-reactive dyestuffs... /It/...can be derived from mustard gas.

Is Divinyl sulfone hazardous?

Divinyl sulfone carries the GHS signal word "Danger". Main hazards: fatal if swallowed. fatal in contact with skin, fatal if swallowed, fatal in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Divinyl sulfone?

Divinyl sulfone is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Divinyl sulfone?

CompoundList lists 21 suppliers of Divinyl sulfone in India, China, United States, Canada and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Divinyl sulfone in India?

6 suppliers in India list Divinyl sulfone on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Divinyl sulfone?

Suppliers quote Divinyl sulfone 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 Divinyl sulfone

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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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