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| Dimethyl acetamide | CAS 127-19-5 | ||
| CH3CON(CH3)2 | RTECS AB7700000 | ||
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Synonyms & Trade Names N,N-Dimethyl acetamide; DMAC |
DOT ID & Guide |
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Exposure Limits |
NIOSH REL: TWA 10 ppm (35 mg/m3) [skin] | ||
| OSHA PEL: TWA 10 ppm (35 mg/m3) [skin] | |||
| IDLH 300 ppm | Conversion 1 ppm = 3.56 mg/m3 | ||
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Physical Description Colorless liquid with a weak, ammonia- or fish-like odor. |
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MW: 87.1 |
BP: 329°F |
FRZ: -4°F |
Sol: Miscible |
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VP: 2 mmHg |
IP: 8.81 eV |
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Sp.Gr: 0.94 |
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Fl.P(oc): 158°F |
UEL(320°F): 11.5% |
LEL(212°F): 1.8% |
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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 Carbon tetrachloride, other halogenated compounds when in contact with iron, oxidizers |
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Measurement Methods NIOSH 2004 |
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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: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 100 ppm: (APF = 10) Any supplied-air respirator Up to 250 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode Up to 300 ppm: (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 Irritation skin; jaundice, liver damage; depression, drowsiness, hallucinations, delusions | |
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Target Organs
Skin, liver, central nervous system |
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| See also: INTRODUCTION |