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carbon black

Also known as: Elemental Carbon · Carbon, Vitreous · Carbon 12 · SUPERSORBON S1

CAS No.
97793-37-8
Formula
C
Molar mass
12.011 g/mol
PubChem CID
5462310
GHS pictograms
GHS pictogram: Harmful / IrritantHarmful / Irritant
2D structure of carbon black
2D structure · PubChem CID 5462310

Summary

carbon black (C), CAS 97793-37-8. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.

Background

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Physical properties

3642
Sublimes at 3642 °C; triple point (graphite-liquid-gas), 4492 °C at a pressure of 101.325 kPa
3500
Melting point equals greater than 3500 °C
-518
Activated carbon showed an auto-ignition temperature in flowing air of 452-518 °C. Presence of 5% of the base ('triethylenediamine') adsorbed on the carbon reduced the auto-ignition temperature to 230-260 °C.
—
1
1 mm Hg at 3586 °C

Sourced from PubChem Experimental Properties. Values may vary between sources and conditions.

Hazards

GHS pictogram: Harmful / Irritant
Harmful / Irritant (GHS07)

May cause skin, eye or respiratory irritation.

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

  • Irritant / harmful. Ventilate the workspace and avoid skin contact.

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 carbon black flammable?+

carbon black (CAS 97793-37-8) 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 carbon black?+

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 carbon black be stored?+

Store carbon black (CAS 97793-37-8) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials.

Is carbon black dangerous for the environment?+

No specific environmental pictogram (GHS09) is listed in our records for carbon black, 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 carbon black?+

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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