Diphenyl
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CAS
92-52-4
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C6H5C6H5
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RTECS
DU8050000
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Synonyms & Trade Names
Biphenyl, Phenyl benzene
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 1 mg/m3 (0.2 ppm)
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OSHA PEL: TWA 1 mg/m3 (0.2 ppm)
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IDLH
100 mg/m3
See: 92524
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Conversion
1 ppm = 6.31 mg/m3
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Physical Description
Colorless to pale-yellow solid with a pleasant, characteristic odor. [fungicide]
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MW: 154.2
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BP: 489°F
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MLT: 156°F
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Sol: Insoluble
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VP: 0.005 mmHg
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IP: 7.95 eV
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Sp.Gr: 1.04
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Fl.P: 235°F
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UEL(311°F): 5.8%
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LEL(232°F): 0.6%
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Combustible Solid
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Incompatibilities & Reactivities
Oxidizers
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Measurement Methods
NIOSH 2530; OSHA PV2022
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash (molten), Quick drench (molten)
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 10 mg/m3:
(APF = 10) Any air-purifying half-mask respirator with organic vapor cartridge(s) in combination with an N95, R95, or P95 filter. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.
(APF = 10) Any supplied-air respirator
Up to 25 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 25) Any powered air-purifying respirator with an organic vapor cartridge in combination with a high-efficiency particulate filter.*
Up to 50 mg/m3:
(APF = 50) Any air-purifying full-facepiece respirator equipped with organic vapor cartridge(s) in combination with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.
(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.
(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s) in combination with a high-efficiency particulate filter*
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 100 mg/m3:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
Emergency or planned entry into unknown concentrations or IDLH conditions:
(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
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, throat; headache, nausea, lassitude (weakness, exhaustion), numb limbs; liver damage
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Target Organs
Eyes, respiratory system, liver, central nervous system
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See also: INTRODUCTION
See ICSC CARD: 0106 See MEDICAL TESTS: 0086
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