2,2-Thiobis(4,6-dichlorophenol)

  • Actamer
  • Bidiphen
  • Bithin
  • Bithionol
  • Bithionol sulfide
  • 2,2'-thiobis(4,6-dichlorophenol)
Formula
C12H6Cl4O2S
Structure
Description
White or grayish-white, crystalline powder. Odorless or with slight aromatic or phenolic odor.
Uses
Surfactant-formulated antimicrobial against bacteria, molds and yeast.

Registry Numbers and Inventories.
CAS
97-18-7
EC (EINECS/ELINCS)
202-565-0
RTECS
SN0525000
RTECS class
Agricultural Chemical and Pesticide; Tumorigen; Drug
Merck
12,1343
Beilstein/Gmelin
2003535
Beilstein Reference
4-06-00-05646
EPA OPP
64201
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C12H6Cl4O2S
Formula mass
356.06
Melting point, °C
188
Boiling point, °C
449
Vapor pressure, mmHg
1.1x10-9
Density
1.73 g/cm3 (20 C)
Solubility in water
4 mg/L (25 C)
Partition coefficient, pKow
5.59

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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
Wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter.
Small spills/leaks
You should dampen the solid spill material with acetone, then transfer the dampened material to a suitable container. Use absorbent paper dampened with acetone to pick up any remaining material. Seal your contaminated clothing and the adsorbent paper in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with acetone followed by washing with a strong soap and water solution. Do not reenter the contaminate area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Stability
No data.
Incompatibilities
Strong oxidizing agents.

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
Rapid breathing, wheezing, abnormally low blood pressure and elevated temperature were noted as therapeutic side effects. Headache, giddiness, and fatigue have been described as therapeutic side effects. No data were available to assess the teratogenic potential of this agent. <br>No data were available to assess the potential effects of exposure to this agent during pregnancy or lactation. <br>No information about possible male reproductive effects was found in available references.
   Skin
Bithionol is a skin irritant.
   Eyes
Exposure to thermal decomposition products in a fire situation could cause eye and upper respiratory tract irritation.

First aid
 
   Ingestion
DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician.
   Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
   Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
   Eyes
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Transport.