Tetrachloronapthalene

  • Halowax
  • Seekay wax
  • Nibren wax
Formula
C10H4Cl4
Structure
Description
Crystals. Aromatic.
Uses
Pesticide former use.

Registry Numbers and Inventories.
CAS
1335-88-2
EC (EINECS/ELINCS)
215-642-9
RTECS
QK3700000
RTECS class
Other
Beilstein/Gmelin
NA
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C10H4Cl4
Formula mass
265.94
Melting point, °C
182
Boiling point, °C
316
Vapor pressure, mmHg
1E-6
Vapor density (air=1)
9.2
Density
1.59 to 1.65 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Materials which are toxic as stored or which. Decomp into toxic components due to contact with heat. Should be stored in cool, well-ventilated place, out of direct rays of sun, away from areas of high fire hazard, and periodically inspected and monitored.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate clothing to prevent any possibility of skin contact with molten material or solutions. Wear eye protection and wash promptly when skin is contaminated. Persons should be provided with and required to use impervious clothing gloves, faceshields (eight inch minimum) and other appropriate clothing to prevent skin contact with liquid or molten tetrachloronaphthalene or its fumes. Wear appropriate eye protection and protective clothing to prevent skin and eye contact.
Respirators
Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode.<BR>Condition: emergency or planned entry into unknown concn or idlh conditions: respirator class(es): any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode.
Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.
Stability
No data.
Incompatibilities
Contact with strong oxidizing agents may cause fires and explosions. Avoid contact with strong oxidizers.
Decomposition
When heated to decomposition, it emits highly toxic fumes of hydrogen chloride.

Fire.
Flash Point,°C
210
Fire fighting
Extinguishant: Foam, carbon dioxide, dry chemical. Also wear a self-contained breathing apparatus (scba) with a full facepiece operated in the pressure demand or other positive pressure mode.
Combustion products
Toxic gases and vapors (such as hydrogen chloride, phosgene, and carbon monoxide) may be released in a fire involving tetrachloronaphthalene.

Health.
Exposure limit(s)
NIOSH REL: TWA 2 mg/m3 [skin] OSHA PEL: TWA 2 mg/m3 [skin]
Exposure effects
CNS depression and coma may be seen.
   Skin
Acneiform rashes and chloracne have been reported in exposed workers.

First aid
 
   Ingestion
Administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents. Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). If hepatic failure occurs, intensive supportive therapy should be provided.
   Inhalation
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols.
   Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists. A variety of topical treatments may useful if chloracne occurs. Dermatologic consultation is suggested.
   Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Transport.
USCG CHRIS Code
CLF
 
36 Halogenated hydrocarbons