p-Phenylene diamine
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CAS
106-50-3
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C6H4(NH2)2
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RTECS
SS8050000
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Synonyms & Trade Names
4-Aminoaniline; 1,4-Benzenediamine; p-Diaminobenzene; 1,4-Diaminobenzene; 1,4-Phenylene diamine
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DOT ID & Guide
1673 / 153
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Exposure
Limits
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NIOSH REL: TWA 0.1 mg/m3 [skin]
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OSHA PEL: TWA 0.1 mg/m3 [skin]
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IDLH
25 mg/m3
See: 106503
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Conversion
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Physical Description
White to slightly red, crystalline solid.
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MW: 108.2
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BP: 513°F
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MLT: 295°F
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Sol(75°F): 4%
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VP: <1 mmHg
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IP: 6.89 eV
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Sp.Gr: ?
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Fl.P: 312°F
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UEL: ?
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LEL: ?
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Combustible Solid
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Incompatibilities & Reactivities
Strong oxidizers
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Measurement Methods
OSHA 87
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 2.5 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode£
Up to 5 mg/m3:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 25 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 canister providing protection against the compound of concern and 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 pharynx, larynx; bronchial asthma; sensitization dermatitis
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Target Organs
respiratory system, skin
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See also: INTRODUCTION
See ICSC CARD: 0805 |
