o-Dichlorobenzene
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CAS
95-50-1
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C6H4Cl2
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RTECS
CZ4500000
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Synonyms & Trade Names
o-DCB; 1,2-Dichlorobenzene; ortho-Dichlorobenzene; o-Dichlorobenzol
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DOT ID & Guide
1591 / 152
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Exposure
Limits
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NIOSH REL: C 50 ppm (300 mg/m3)
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OSHA PEL: C 50 ppm (300 mg/m3)
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IDLH
200 ppm
See: 95501
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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
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BP: 357°F
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FRZ: 1°F
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Sol: 0.01%
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VP: 1 mmHg
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IP: 9.06 eV
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Sp.Gr: 1.30
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Fl.P: 151°F
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UEL: 9.2%
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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
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
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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
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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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
See ICSC CARD: 1066 See MEDICAL TESTS: 0255
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