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Bis(3-nitrophenyl) disulfide

Also known as: Bis(3-nitrophenyl) disulfide · 537-91-7 · NITROPHENIDE · Disulfide, bis(3-nitrophenyl)

CAS No.
537-91-7
Formula
C12H8N2O4S2
Molar mass
308.3 g/mol
PubChem CID
10842
GHS pictograms
GHS pictogram: Environmental hazardEnvironmental hazard
2D structure of Bis(3-nitrophenyl) disulfide
2D structure · PubChem CID 10842

Summary

Bis(3-nitrophenyl) disulfide (C12H8N2O4S2), CAS 537-91-7. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.

Background

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Physical properties

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Hazards

GHS pictogram: Environmental hazard
Environmental hazard (GHS09)

Toxic to aquatic organisms.

Hazard statements

Storage

Temperature

Keep at room temperature, below 30 °C, out of direct heat.

Ventilation

Store somewhere well-ventilated and away from any ignition source.

Containers

Metal drums or tinted glass, tightly sealed.

Keep away from

Strong acids, strong bases and powerful oxidizers.

Personal protective equipment

Gloves

Nitrile or butyl, at least 0.4 mm thick.

Eye protection

Safety goggles with side shields.

Respirator

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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Practical safety notes

  • Environmental hazard. Do not release to sewers or waterways; collect for hazardous waste disposal.

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 Bis(3-nitrophenyl) disulfide flammable?+

Bis(3-nitrophenyl) disulfide (CAS 537-91-7) 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 Bis(3-nitrophenyl) disulfide?+

Safety glasses with side shields and nitrile gloves are the baseline. Ventilation should be sufficient to keep vapours below the occupational exposure limit. Check SDS section 8 for material-specific breakthrough times.

How should Bis(3-nitrophenyl) disulfide be stored?+

Store Bis(3-nitrophenyl) disulfide (CAS 537-91-7) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.

Is Bis(3-nitrophenyl) disulfide dangerous for the environment?+

Yes. Bis(3-nitrophenyl) disulfide carries the GHS09 environment pictogram. Do not release to drains, soil or waterways; collect residues for hazardous-waste disposal in line with local regulations.

Where can I find the official Safety Data Sheet for Bis(3-nitrophenyl) disulfide?+

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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