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Trichloronaphthalene

Synonyms & Trade Names
Halowax® [Trichloronaphthalene], Nibren wax [Trichloronaphthalene], Seekay wax [Trichloronalhthalene]
CAS No.
1321-65-9
RTECS No.
QK4025000
DOT ID & Guide
Formula
C₁₀H₅Cl₃
Conversion
IDLH
See Appendix F
See: 1321659
Exposure Limits
NIOSH REL
TWA 5 mg/m3 [skin]
OSHA PEL
TWA 5 mg/m3 [skin]
Measurement Methods
NIOSH S128 (II-2)
See: NMAM or OSHA Methods
Physical Description
Colorless to pale-yellow solid with an aromatic odor.
Molecular Weight
231.5
Boiling Point
579-669°F
Melting Point
199°F
Solubility
Insoluble
Vapor Pressure
<1 mmHg
Ionization Potential
?
Specific Gravity
1.58
Flash Point
(oc) 392°F
Upper Exposive Limit
?
Lower Explosive Limit
?
Combustible Solid
Incompatibilities & Reactivities
Strong oxidizers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
anorexia, nausea; dizziness; jaundice, liver injury
Target Organs
Liver
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

(See Appendix F)
NIOSH/OSHA

Up to 50 mg/m3:
(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 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   ICSC CARD: 0962   MEDICAL TESTS: 0237

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