Monochloronaphthalene

  • Chloronaphthalene
  • Halowax-1031
Formula
C10H7Cl
Structure
Description
Pale yellow liquid with the odor of moth balls.
Uses
As raw material for dye production, oil additive to clear sludge & petroleum deposits in engines.

Registry Numbers and Inventories.
CAS
25586-43-0
EC (EINECS/ELINCS)
247-120-1
RTECS
QJ2047500
RTECS class
Other
Beilstein/Gmelin
NA
Canada DSL/NDSL
DSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C10H7Cl
Formula mass
162.62
Melting point, °C
31
Boiling point, °C
260
Vapor pressure, mmHg
<1
Vapor density (air=1)
6
Critical temperature
513
Critical pressure
36.1
Density
1.22 g/cm3 (20 C)
Solubility in water
Insoluble
Partition coefficient, pKow
3.59

Hazards and Protection.
Storage
Store in a tightly sealed container in a cool, well-ventilated area.
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
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
NIOSH certified organic vaor canister type unit.
Small spills/leaks
While using protective equipment, absorb stills with sand, saw dust or other absorbent. Sweep up and place in a container for disposal.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Hydrogen chloride.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Health.
Exposure effects
The toxological properties of this substance have not been fully investigated.
   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