o-Dichlorobenzene |
Synonyms & Trade Names o-DCB; 1,2-Dichlorobenzene; ortho-Dichlorobenzene; o-Dichlorobenzol |
CAS No. 95-50-1 |
RTECS No. CZ4500000 |
DOT ID & Guide 1591 152 |
FormulaC6H4Cl2 |
Conversion 1 ppm = 6.01 mg/m3 |
IDLH 200 ppm
See: 95501 |
Exposure Limits NIOSH REL: C 50 ppm (300 mg/m3)
OSHA PEL: C 50 ppm (300 mg/m3) |
Measurement Methods
NIOSH 1003;
OSHA 7
See: NMAM or OSHA Methods |
Physical Description Colorless to pale-yellow liquid with a pleasant, aromatic odor. [herbicide] |
MW: 147.0 |
BP: 357°F |
FRZ: 1°F |
Sol: 0.01% |
VP: 1 mmHg |
IP: 9.06 eV |
Sp.Gr: 1.30 |
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. |
Incompatibilities & Reactivities Strong oxidizers, aluminum, chlorides, acids, acid fumes |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms irritation eyes, nose; liver, kidney damage; skin blisters |
Target Organs Eyes, skin, respiratory system, liver, kidneys |
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Personal Protection/Sanitation (See protection codes)
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 |
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 |
| See also: INTRODUCTION See ICSC CARD: 1066 See MEDICAL TESTS: 0255 |
