Tetrachloronaphthalene
Synonyms & Trade Names
Halowax® [Tetrachloronaphthalene], Nibren wax [Tetrachloronaphthalene], Seekay wax [Tetrachloronaphthalene]Exposure Limits
NIOSH REL
TWA 2 mg/m3 [skin]OSHA PEL
TWA 2 mg/m3 [skin]Physical Description
Colorless to pale-yellow solid with an aromatic odor.Molecular Weight
265.9Boiling Point
599-680°FMelting Point
360°FSolubility
InsolubleVapor Pressure
<1 mmHgIonization Potential
?Specific Gravity
1.59-1.65Flash Point
(oc) 410°FUpper Exposive Limit
?Lower Explosive Limit
?Incompatibilities & Reactivities
Strong oxidizersExposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contactSymptoms
Acne-form dermatitis; headache, lassitude (weakness, exhaustion), anorexia, dizziness; jaundice, liver injuryTarget Organs
Liver, skin, central nervous systemPersonal 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 immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
(See Appendix F)
NIOSH/OSHA
Up to 20 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
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division