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p-Dichlorobenzene

Synonyms & Trade Names
p-DCB; 1,4-Dichlorobenzene; para-Dichlorobenzene; Dichlorocide
CAS No.
106-46-7
RTECS No.
CZ4550000
DOT ID & Guide
Formula
C6H4Cl2
Conversion
1 ppm = 6.01 mg/m3
IDLH
Ca [150 ppm]
See: 106467
Exposure Limits
NIOSH REL
: Ca See Appendix A
OSHA PEL
†: TWA 75 ppm (450 mg/m3)
Measurement Methods

NIOSH 1003;
OSHA 7
See: NMAM or OSHA Methods
Physical Description
Colorless or white crystalline solid with a mothball-like odor. [insecticide]
MW:
147.0
BP:
345°F		 MLT: 128°F
Sol:
0.008%
VP:
1.3 mmHg
IP:
8.98 eV
Sp.Gr:
1.25
Fl.P:
150°F
UEL:
?
LEL:
2.5%
Combustible Solid, but may take some effort to ignite.
Incompatibilities & Reactivities
Strong oxidizers (such as chlorine or permanganate)
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Eye irritation, swelling periorbital (situated around the eye); profuse rhinitis; headache, anorexia, nausea, vomiting; weight loss, jaundice, cirrhosis; in animals: liver, kidney injury; [potential occupational carcinogen]
Target Organs
Liver, respiratory system, eyes, kidneys, skin
Cancer Site
[in animals: liver & kidney cancer]
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated/Daily
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash, Quick drench
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Soap wash
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

NIOSH

At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration:
(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: 0037   See MEDICAL TESTS: 0073
 

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