Benzene
|
CAS71-43-2
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C6H6
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RTECSCY1400000
|
Synonyms & Trade Names
Benzol, Phenyl hydride
|
DOT ID & Guide
1114 130
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Exposure
Limits
|
NIOSH REL:
Ca TWA 0.1 ppm ST 1 ppm
See Appendix A |
| OSHA PEL:
[1910.1028] TWA 1 ppm ST 5 ppm
See Appendix F |
IDLHCa [500 ppm] See:
71432
|
Conversion1 ppm = 3.19
mg/m3
|
Physical Description
Colorless to light-yellow liquid
with an aromatic odor. [Note: A solid below
42°F.]
|
MW: 78.1
|
BP: 176°F
|
FRZ: 42°F
|
Sol: 0.07%
|
VP: 75 mmHg
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IP: 9.24 eV
|
|
Sp.Gr: 0.88
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Fl.P: 12°F
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UEL: 7.8%
|
LEL: 1.2%
|
|
| Class IB Flammable Liquid:
Fl.P. below 73°F and BP at or above
100°F. |
Incompatibilities &
Reactivities
Strong oxidizers, many fluorides &
perchlorates, nitric acid
|
Measurement Methods
NIOSH
1500,
1501,
3700,
3800; OSHA
12,
1005
See: NMAM
or
OSHA Methods
|
Personal Protection &
Sanitation(See
protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet (flammable)
Change: No recommendation
Provide: Eyewash, Quick drench
|
First Aid(See
procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
|
Respirator Recommendations(See
Appendix E) 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/Any appropriate escape-type,
self-contained breathing apparatus
Important additional information about
respirator selection
|
Exposure Routesinhalation, skin
absorption, ingestion, skin and/or eye
contact
|
SymptomsIrritation eyes, skin,
nose, respiratory system; dizziness;
headache, nausea, staggered gait; anorexia,
lassitude (weakness, exhaustion);
dermatitis; bone marrow depression;
[potential occupational carcinogen]
|
Target OrgansEyes, skin,
respiratory system, blood, central nervous
system, bone marrow
Cancer Site[leukemia]
|