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| o-Dichlorobenzene | CAS 95-50-1 | ||
| C6H4Cl2 | RTECS CZ4500000 | ||
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Synonyms & Trade Names o-DCB; 1,2-Dichlorobenzene; ortho-Dichlorobenzene; o-Dichlorobenzol |
DOT ID & Guide 1591 152 |
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Exposure Limits |
NIOSH REL: C 50 ppm (300 mg/m3) | ||
| OSHA PEL: C 50 ppm (300 mg/m3) | |||
| IDLH 200 ppm | Conversion 1 ppm = 6.01 mg/m3 | ||
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Physical Description Colorless to pale-yellow liquid with a pleasant, aromatic odor. [herbicide] |
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MW: 147.0 |
BP: 357°F |
FRZ: 1°F |
Sol: 0.01% |
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VP: 1 mmHg |
IP: 9.06 eV |
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Sp.Gr: 1.30 |
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Fl.P: 151°F |
UEL: 9.2% |
LEL: 2.2% |
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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, aluminum, chlorides, acids, acid fumes |
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Measurement Methods NIOSH 1003; OSHA 7 |
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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 |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately |
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Respirator Recommendations
NIOSH/OSHA Up to 200 ppm: (APF = 50) Any chemical cartridge respirator with a full facepiece and organic vapor cartridge(s)/(APF = 25) Any powered, air-purifying respirator with 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 eyes, nose; liver, kidney damage; skin blisters | |
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Target Organs
Eyes, skin, respiratory system, liver, kidneys |
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| See also: INTRODUCTION |