CARBON BLACK†

Chemical Identification

CAS # 1333-86-4
Formula

C

Synonyms

channel black; lamp black; furnace black; thermal black; acetylene black

Physical Properties

Physical description Black, odorless solid or a dark colored liquid with a petroleum-like odor.
Boiling point sublimes Molecular weight 12.0
Freezing point/melting point sublimes Vapor pressure 0 mmHg (approx)
Flash point Vapor density
Specific gravity Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA

Analyte code (IMIS no.) 0527
Sampling group
Sampler/Sampling media Tared low-ash 37 mm PVC filter, 5 microns [SLTC108]
Sampling time*

240-480 min

Sampling volume (TWA)*

480-960 L

Sampling flow rate (TWA)*

2 L/min

Sampling volume (STEL/Peak/C)*
Sampling flow rate (STEL/Peak/C)*
Analytical method instruments Gravimetric
Method reference OSHA ID-196 (partially validated)
Notes

Submit as a separate sample. If the filter is not overloaded, samples may be collected up to an 8-hour period.

If polycyclic aromatic hydrocarbons (PAHs) are suspected to be present, take and submit separate samples on glass fiber filters per OSHA Method 58.

Special requirements

FOR TOTAL DUST SAMPLES, DO NOT USE A CYCLONE!!

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method

Wipe Sampler/Sampling media
Bulk Method

On-Site Screening Techniques

Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits

OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

3.5 mg/m³

REL-TWA

3.5 mg/m³, 0.1 mg PAHs/m³ (carbon black in the presence of PAHs)

TLV-TWA PEL-TWA

3.5 mg/m³

PEL-STEL REL-STEL TLV-STEL PEL-STEL
PEL-C REL-C TLV-C PEL-C
Skin notation Skin notation Skin notation Skin notation
Notes:

See 29 CFR 1910.1000 Table Z-1.

Notes:

IDENTIFIED AS A CARCINOGEN (Ca) IN THE PRESENCE OF PAH; See Appendix A, NIOSH Potential Occupational Carcinogens and Appendix C, Supplementary Exposure Limits.

Notes:

Visit the ACGIH TLV site for specific data

Notes:
Health factors:  See NIH-NLM PubChem. IDLH

1750 mg/m³

Carcinogenic classifications: IARC-2B, NIOSH-Ca (in presence of PAH's), TLV-A3 Notes:

Ca in presence of PAHs

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 04/08/2024