Dibutyl phthalate
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CAS
84-74-2
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C6H4(COOC4H9)2
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RTECS
TI0875000
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Synonyms & Trade Names
DBP; Dibutyl-1,2-benzene-dicarboxylate; Di-n-butyl phthalate
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 5 mg/m3
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OSHA PEL: TWA 5 mg/m3
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IDLH
4000 mg/m3
See: 84742
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Conversion
1 ppm = 11.57 mg/m3
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Physical Description
Colorless to faint-yellow, oily liquid with a slight, aromatic odor.
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MW: 278.3
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BP: 644°F
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FRZ: -31°F
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Sol(77°F): 0.001%
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VP: 0.00007 mmHg
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IP: ?
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Sp.Gr: 1.05
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Fl.P: 315°F
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UEL: ?
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LEL(456°F): 0.5%
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Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
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Incompatibilities & Reactivities
Nitrates; strong oxidizers, alkalis & acids; liquid chlorine
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Measurement Methods
NIOSH 5020; OSHA 104
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: Prevent eye contact
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Wash regularly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 50 mg/m3:
(APF = 10) Any air-purifying full-facepiece respirator equipped 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.
Up to 125 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
(APF = 25) Any powered air-purifying respirator with a high-efficiency particulate filter.£
Up to 250 mg/m3:
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 4000 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 with 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, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, upper respiratory system, stomach
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Target Organs
Eyes, respiratory system, gastrointestinal tract
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See also: INTRODUCTION
See ICSC CARD: 0036
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