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| Chloroacetaldehyde | CAS 107-20-0 | ||
| ClCH2CHO | RTECS AB2450000 | ||
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Synonyms & Trade Names Chloroacetaldehyde (40% aqueous solution), 2-Chloroacetaldehyde, 2-Chloroethanal |
DOT ID & Guide 2232 153 |
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Exposure Limits |
NIOSH REL: C 1 ppm (3 mg/m3) | ||
| OSHA PEL: C 1 ppm (3 mg/m3) | |||
| IDLH 45 ppm | Conversion 1 ppm = 3.21 mg/m3 | ||
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Physical Description Colorless liquid with an acrid, penetrating odor. [Note: Typically found as a 40% aqueous solution.] |
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MW: 78.5 |
BP: 186°F |
FRZ: -3°F (40% solution) |
Sol: Miscible |
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VP: 100 mmHg |
IP: 10.61 eV |
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Sp.Gr: 1.19 (40% solution) |
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Fl.P: 190°F (40% solution) |
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 Oxidizers, acids |
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Measurement Methods NIOSH 2015; OSHA 76 |
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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: Eyewash, 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 10 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge(s)*/(APF = 10) Any supplied-air respirator* Up to 25 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 45 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 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, eyes, mucous membrane; skin burns; eye damage; pulmonary edema; skin, respiratory system sensitization | |
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Target Organs
Eyes, skin, respiratory system |
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| See also: INTRODUCTION |