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p-Phenylene diamine |
CAS 106-50-3 | ||
C6H4(NH2)2 |
RTECS SS8050000 | ||
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Synonyms & Trade Names 4-Aminoaniline; 1,4-Benzenediamine; p-Diaminobenzene; 1,4-Diaminobenzene; 1,4-Phenylene diamine |
DOT ID & Guide 1673 153 |
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Exposure
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NIOSH REL: TWA 0.1 mg/m3 [skin] | ||
| OSHA PEL: TWA 0.1 mg/m3 [skin] | |||
| IDLH 25 mg/m3 See: 106503 | Conversion | ||
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Physical Description White to slightly red, crystalline solid. |
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MW: 108.2 |
BP: 513°F |
MLT: 295°F |
Sol(75°F): 4% |
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VP: <1 mmHg |
IP: 6.89 eV |
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Sp.Gr: ? |
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Fl.P: 312°F |
UEL: ? |
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 |
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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 |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection 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 |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| 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 |