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Asphalt fumes

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Synonyms & Trade Names
Asphaltum, Bitumen, Petroleum asphalt, Petroleum bitumen, Road asphalt, Roofing asphalt
CAS No.
8052-42-4
RTECS No.
CI9900000
DOT ID & Guide
1999 130(asphalt)
Formula
Conversion
IDLH
Ca [N.D.]
See: IDLH INDEX
Exposure Limits
NIOSH REL
Ca C 5 mg/m3 [15-minute] See Appendix A, Appendix C
OSHA PEL
none
Measurement Methods
NIOSH 5042
See: NMAM or OSHA Methods
Physical Description
Fumes generated during the production or application of asphalt (a dark-brown to black cement-like substance manufactured by the vacuum distillation of crude petroleum oil).
Molecular Weight
Properties vary depending upon the specific asphalt formulation or mixture.
Asphalt: Combustible Solid
Incompatibilities & Reactivities
None reported [Note: Asphalt becomes molten at about 200°F.]
Exposure Routes
inhalation, skin absorption, skin and/or eye contact
Symptoms
irritation eyes, respiratory system; [potential occupational carcinogen]
Target Organs
Eyes, respiratory system
Cancer Site
[in animals: skin tumors]
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:Daily
Remove:No recommendation
Change:Daily
First Aid
(See procedures)
Eye:Irrigate immediately

Breathing:Respiratory support
Respirator Recommendations

NIOSH

At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0612
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health