Educational content for trained professionals. Not a Safety Data Sheet, not medical advice. In an emergency, call your local poison control or emergency services immediately. Terms of use.
Divinyl sulfone
Also known as: Divinyl sulfone · VINYL SULFONE · 77-77-0 · Divinyl sulphone
- CAS No.
- 77-77-0
- Formula
- C4H6O2S
- Molar mass
- 118.16 g/mol
- PubChem CID
- 6496
Corrosive
Toxic
Harmful / Irritant
Health hazard
Summary
Divinyl sulfone (C4H6O2S), CAS 77-77-0. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.
Background
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Hazards
Attacks skin, eyes and materials.
May be fatal even in small doses.
May cause skin, eye or respiratory irritation.
Serious long-term health effects (CMR, respiratory sensitizer).
Hazard statements
- H300: Fatal if swallowed [Danger Acute toxicity, oral]
- H310: Fatal in contact with skin [Danger Acute toxicity, dermal]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H315
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H335
- H341
Storage
Keep at room temperature, below 30 °C, out of direct heat.
Store somewhere well-ventilated and away from any ignition source.
Metal drums or tinted glass, tightly sealed.
Strong acids, strong bases and powerful oxidizers.
Personal protective equipment
Nitrile or butyl, at least 0.4 mm thick.
Safety goggles with side shields.
A2 organic-vapor cartridge if the room isn't well ventilated.
Occupational exposure limits (HSE)
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EU harmonised classification (ECHA C&L)
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Transport
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FDA recalls & enforcement
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Compatibilities
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Open comparator with Divinyl sulfonePractical safety notes
- Corrosive. Wear chemical goggles, faceshield and chemical-resistant gloves. Have an eyewash within reach.
- Acute toxicity. Work under a fume hood, restrict access, keep a specific antidote plan available.
- Irritant / harmful. Ventilate the workspace and avoid skin contact.
- Serious health hazard (carcinogen, mutagen, reprotoxic, respiratory sensitizer). Substitute if possible; otherwise closed systems and medical surveillance.
Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.
FAQ
Is Divinyl sulfone flammable?+
Divinyl sulfone (CAS 77-77-0) does not carry the GHS02 flame pictogram in our records. Always confirm with the manufacturer's SDS section 9 (flash point) before assuming a product is non-flammable.
What PPE should I wear when handling Divinyl sulfone?+
Chemical-splash goggles and a faceshield, chemical-resistant gloves (nitrile or butyl) and an apron are the minimum. Work inside a fume hood or use a suitable respirator. Check SDS section 8 for material-specific breakthrough times.
How should Divinyl sulfone be stored?+
Store Divinyl sulfone (CAS 77-77-0) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials. Segregate acids from bases and keep away from metals that can be attacked.
Is Divinyl sulfone dangerous for the environment?+
No specific environmental pictogram (GHS09) is listed in our records for Divinyl sulfone, but any chemical waste should be handled through your site's hazardous-waste procedure, not poured down the drain.
Where can I find the official Safety Data Sheet for Divinyl sulfone?+
Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.
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