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Hexachloronaphthalene

Synonyms & Trade Names
Halowax® 1014
CAS No.
1335-87-1
RTECS No.
DOT ID & Guide
Formula
C₁₀H₂Cl₆
Conversion
IDLH
2 mg/m3
See: 1335871
Exposure Limits
NIOSH REL
TWA 0.2 mg/m3 [skin]
OSHA PEL
TWA 0.2 mg/m3 [skin]
Measurement Methods
NIOSH S100 (II-2)
See: NMAM or OSHA Methods
Physical Description
White to light-yellow solid with an aromatic odor.
Molecular Weight
334.9
Boiling Point
650-730°F
Melting Point
279°F
Solubility
Insoluble
Vapor Pressure
<1 mmHg
Ionization Potential
?
Specific Gravity
1.78
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
NA
Noncombustible Solid
Incompatibilities & Reactivities
Strong oxidizers
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
Acne-form dermatitis, nausea, confusion, jaundice, coma
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:Soap wash promptly
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 2 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
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0997   MEDICAL TESTS: 0113
Page last reviewed: October 30, 2019