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| N,N-Dimethylaniline | CAS 121-69-7 | ||
| C6H5N(CH3)2 | RTECS BX4725000 | ||
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Synonyms & Trade Names N,N-Dimethylbenzeneamine; N,N-Dimethylphenylamine [Note: Also known as Dimethylaniline which is a correct synonym for Xylidine.] |
DOT ID & Guide 2253 153 |
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Exposure Limits |
NIOSH REL: TWA 5 ppm (25 mg/m3) ST 10 ppm (50 mg/m3) [skin] | ||
| OSHA PEL�: TWA 5 ppm (25 mg/m3) [skin] | |||
| IDLH 100 ppm | Conversion 1 ppm = 4.96 mg/m3 | ||
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Physical Description Pale yellow, oily liquid with an amine-like odor. [Note: A solid below 36°F.] |
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MW: 121.2 |
BP: 378°F |
FRZ: 36°F |
Sol: 2% |
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VP: 1 mmHg |
IP: 7.14 eV |
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Sp.Gr: 0.96 |
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Fl.P: 142°F |
UEL: ? |
LEL: ? |
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| Class IIIA Combustible Liquid: Fl.P. at or above 140�F and below 200�F. | |||
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Incompatibilities & Reactivities Strong oxidizers, strong acids, benzoyl peroxide |
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Measurement Methods NIOSH 2002; OSHA PV2064 |
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Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Quick drench |
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 50 ppm: (APF = 10) Any supplied-air respirator Up to 100 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode/(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 |
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| Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact | |
| Symptoms Anoxia symptoms: cyanosis, lassitude (weakness, exhaustion), dizziness, ataxia; methemoglobinemia | |
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Target Organs
Blood, kidneys, liver, cardiovascular system |
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| See also: INTRODUCTION |