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Octachloronaphthalene

Synonyms & Trade Names
Halowax® 1051; 1,2,3,4,5,6,7,8-Octachloronaphthalene; Perchloronaphthalene
CAS No.
2234-13-1
RTECS No.
QK0250000
DOT ID & Guide
Formula
C10Cl8
Conversion
IDLH
See Appendix F
See: 2234131
Exposure Limits
NIOSH REL
: TWA 0.1 mg/m3 ST 0.3 mg/m3 [skin]
OSHA PEL
: TWA 0.1 mg/m3 [skin]
Measurement Methods

NIOSH S97 (II-2)
See: NMAM or OSHA Methods
Physical Description
Waxy, pale-yellow solid with an aromatic odor.
MW:
403.7
BP:
770°F
MLT: 365°F
Sol:
Insoluble
VP:
<1 mmHg
IP:
?
Sp.Gr:
2.00
Fl.P:
NA
UEL:
NA
LEL:
NA
Noncombustible Solid
Incompatibilities & Reactivities
Strong oxidizers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Acne-form dermatitis; liver damage, jaundice
Target Organs
Skin, liver
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
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water flush immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

(See Appendix F)
NIOSH/OSHA

Up to 1 mg/m3:
(APF = 10) Any supplied-air respirator
(APF = 50) Any self-contained breathing apparatus 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 having an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 1059   See MEDICAL TESTS: 0169
 
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