|
|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Isophorone |
CAS 78-59-1 | ||
C9H14O |
RTECS GW7700000 | ||
|
Synonyms & Trade Names Isoacetophorone; 3,5,5-Trimethyl-2-cyclohexenone; 3,5,5-Trimethyl-2-cyclo-hexen-1-one |
DOT ID & Guide 1993 128 (combustible liquid, n.o.s.) |
||
Exposure
|
NIOSH REL: TWA 4 ppm (23 mg/m3) | ||
| OSHA PEL†: TWA 25 ppm (140 mg/m3) | |||
| IDLH 200 ppm See: 78591 | Conversion 1 ppm = 5.65 mg/m3 | ||
|
Physical Description Colorless to white liquid with a peppermint-like odor. |
|||
|
MW: 138.2 |
BP: 419°F |
FRZ: 17°F |
Sol: 1% |
|
VP: 0.3 mmHg |
IP: 9.07 eV |
|
Sp.Gr: 0.92 |
|
Fl.P: 184°F |
UEL: 3.8% |
LEL: 0.8% |
|
| Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F. | |||
|
Incompatibilities & Reactivities Oxidizers, strong alkalis, amines |
|||
|
Measurement Methods NIOSH 2508, 2556; OSHA 7 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 |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
|
Important additional information about respirator selection Respirator Recommendations NIOSH Up to 40 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)* (APF = 10) Any supplied-air respirator* Up to 100 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode* (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge(s)* Up to 200 ppm: (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 = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and organic vapor cartridge(s)* (APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is 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 |
|
| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, nose, throat; headache, nausea, dizziness, lassitude (weakness, exhaustion), malaise (vague feeling of discomfort), narcosis; dermatitis; in animals: kidney, liver damage | |
|
Target Organs
Eyes, skin, respiratory system, central nervous system, liver, kidneys |
|
| See also: INTRODUCTION See ICSC CARD: 0169 See MEDICAL TESTS: 0123 |