Xylidine
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CAS
1300-73-8
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(CH3)2C6H3NH2
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RTECS
ZE8575000
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Synonyms & Trade Names
Aminodimethylbenzene, Aminoxylene, Dimethylaminobenzene, Dimethylaniline, Xylidine isomers (e.g., 2,4-Dimethylaniline) [Note: Dimethylaniline is also used as a synonym for N,N-Dimethylaniline.]
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DOT ID & Guide
1711 / 153
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Exposure
Limits
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NIOSH REL: TWA 2 ppm (10 mg/m3) [skin]
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OSHA PEL†: TWA 5 ppm (25 mg/m3) [skin]
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IDLH
50 ppm
See: 1300738
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Conversion
1 ppm = 4.96 mg/m3
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Physical Description
Pale-yellow to brown liquid with a weak, aromatic, amine-like odor.
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MW: 121.2
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BP: 415-439°F
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FRZ: -33°F
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Sol: Slight
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VP: <1 mmHg
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IP: 7.65 eV (2,4-) 7.30 eV (2,6-)
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Sp.Gr: 0.98
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Fl.P: 206°F (2,3-)
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UEL: ?
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LEL: 1.0% (o-isomer)
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Class IIIB Combustible Liquid (2,3-)
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Incompatibilities & Reactivities
Strong oxidizers, hypochlorite salts
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Measurement Methods
NIOSH 2002
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: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH
Up to 20 ppm:
(APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)
(APF = 10) Any supplied-air respirator
Up to 50 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
(APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
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/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
Anoxia, cyanosis, methemoglobinemia; lung, liver, kidney damage
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Target Organs
respiratory system, blood, liver, kidneys, cardiovascular system
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See also: INTRODUCTION
See ICSC CARD: 0600 See MEDICAL TESTS: 0244
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