Dimethyl acetamide
|
CAS
127-19-5
|
CH3CON(CH3)2
|
RTECS
AB7700000
|
Synonyms & Trade Names
N,N-Dimethyl acetamide; DMAC
|
DOT ID & Guide
|
Exposure
Limits
|
NIOSH REL: TWA 10 ppm (35 mg/m3) [skin]
|
|
OSHA PEL: TWA 10 ppm (35 mg/m3) [skin]
|
IDLH
300 ppm
See: 127195
|
Conversion
1 ppm = 3.56 mg/m3
|
Physical Description
Colorless liquid with a weak, ammonia- or fish-like odor.
|
MW: 87.1
|
BP: 329°F
|
FRZ: -4°F
|
Sol: Miscible
|
VP: 2 mmHg
|
IP: 8.81 eV
|
|
Sp.Gr: 0.94
|
Fl.P(oc): 158°F
|
UEL(320°F): 11.5%
|
LEL(212°F): 1.8%
|
|
|
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
|
Incompatibilities & Reactivities
Carbon tetrachloride, other halogenated compounds when in contact with iron, oxidizers
|
Measurement Methods
NIOSH 2004
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: Quick drench
|
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
|
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
Important additional information about respirator selection
|
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
|
Symptoms
Irritation skin; jaundice, liver damage; depression, drowsiness, hallucinations, delusions
|
Target Organs
Skin, liver, central nervous system
|
|
See also: INTRODUCTION
See ICSC CARD: 0259 See MEDICAL TESTS: 0080
|
