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Octachloronaphthalene																				Related Pages
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

FormulaC10Cl8
	Conversion
	IDLH
			See Appendix FSee: 2234131

Exposure Limits
			NIOSH RELTWA 0.1 mg/m3 ST 0.3 mg/m3 [skin]
					OSHA PEL TWA 0.1 mg/m3 [skin] See Appendix G
	Measurement Methods
			**NIOSH** S97 (II-2)
					
					See: NMAM or OSHA Methods
										
Physical Description
			Waxy, pale-yellow solid with an aromatic odor.													
										
Molecular Weight403.7	
	Boiling Point770°F
	Melting Point365°F
	SolubilityInsoluble
	Vapor Pressure<1 mmHg
	Ionization Potential?											
Specific Gravity2.00	
	Flash PointNA
	Upper Explosive LimitNA
	Lower Explosive LimitNA
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
					  ICSC CARD: 1059
					  MEDICAL TESTS: 0169

			
							

			Page last reviewed:  October 30, 2019						Content
							source: 	National Institute for Occupational Safety and Health NIOSH Pocket Guide to Chemical Hazards
Introduction
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Appendices
A – NIOSH Potential Occupational Carcinogens
B – Thirteen OSHA-Regulated Carcinogens
C – Supplementary Exposure Limits
D – Substances with No Established RELs
E – OSHA Respirator Requirements for Selected Chemicals
F – Miscellaneous Notes
G – 1989 Air Contaminants Update Project: Exposure Limits NOT in Effect
Type C & CE – Definitions for Type C and Type CE Respirators
Personal Protection and Sanitation Codes
First Aid Procedures Follow NIOSH Facebook
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