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Chemical Sampling Information (CSI)
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General Description

Synonyms: Halowax; Seekay wax; Nibren wax

OSHA IMIS Code Number: 2483

Chemical Abstracts Service (CAS) Registry Number: 1321-65-9

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: QK4025000; 50893

NIOSH Pocket Guide to Chemical Hazards, Trichloronaphthalene: Chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:
colorless to pale yellow solid with an aromatic odor
molecular weight: 231
boiling point: 580 to 670°F
vapor pressure: <1 mm
melting point: 199°F
Incompatibilities: Strong oxidizers
Exposure Limits

OSHA Permissible Exposure Limit (PEL):
General Industry: 5 mg/m3 (Skin)

Construction Industry: 5 mg/m3 TWA (Skin)
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 5 mg/m3 TWA (Skin)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5 mg/m3 TWA (Skin)

Health Factors

Potential Symptoms: Acneform dermatitis; anorexia, nausea; vertigo; jaundice, liver injury

Health Effects: Cumulative liver damage/Chloracne (HE3)

Affected Organs: Skin, liver
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 tube (270/140 mg sections, 20/60 mesh) with Glass Fiber Filter enclosed
    analytical solvent: Toluene
    maximum volume: 100 Liters   
    maximum flow rate:     1.0 L/min
    current analytical method: Gas Chromatography; GC/ECD
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated
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Page last updated: 09/13/1992