MSDS: Dowfrost™ HD 50
Product N ame: DOWFROST* HD 50 Heat Transfer Fluid, Dyed Issue Date: 12/10/2007
Page 2of7
Ingestion: Very low toxicity if swallowed. Harmful effects not anticipated from swallowing small
amounts.
Effects of Repeated Exposure: In rare cases, repeated excessive exposure to propylene glycol may
cause central nervous system effects.
Component CAS # Amount
Propylene glycol 57-55-6 > 48.0 - < 54.0 %
Water 7732-18-5 < 50.0 %
Dipotassium hydrogen phosphate 7758-11-4 < 3.0 %
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Eye Contact: Flush eyes thoroughly with water for several minutes. Remove contact lenses after the
initial 1-2 minutes and continue f lushing for several additional minutes. If effects occur, consult a
physician, preferably an ophthalmologist.
Skin Contact: W ash skin with plenty of water.
Inhalation: Move person to fresh air; if effects occur, consult a physician.
Ingestion: No emergency medical treatment necessary.
Notes to Physician: No specific antidote. Treatment of exposure should be directed at the control of
symptoms and t he clinical condition of the patient.
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Extinguishing Media: To extinguish combustible residues of this product use water fog, carbon
dioxide, dry chemical or foam.
Fire Fighting Procedures: Keep people away. Isolate fire and deny unnecessary entry. Use water
spray to cool fire exposed containers and fire affected zone until fire is out and danger of reignition has
passed. To extinguish combustible residues of this product use water fog, carbon dioxide, dry
chemical or foam.
Special Protective Equipment for Firefighters: Wear positive-pressure self-contained breathing
apparatus (SCBA) and protective fire fighting clothing (includes fire fighting helmet, coat, trousers,
boots, and gloves). If protective equipment is not available or not used, fight fire from a protected
location or safe distance.
Unusual Fire and Explosion Hazards: This material will not burn until the water has evaporated.
Residue can burn.
Hazardous Combustion Products: Under fire conditions some components of this product may
decompose. The smoke may contain unidentified toxic and/or irritating compounds. Combustion
products may include and are not limited to: Carbon monoxide. Carbon dioxide.
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Steps to be Taken if Material is Released or Spilled: Small spills: Absorb with materials such as:
Cat litter. Sawdust. Vermiculite. Zorb-all®. Collect in suitable and properly labeled containers. Large
spills: Dike area to contain spill. See Section 13, Disposal Considerations, for additional information.
Personal Precautions: Keep unnecessary and unprotected personnel from entering the area. Use
appropriate safety equipment. For additional information, refer to Section 8, Exposure Controls and
Personal Protection.
Environmental Precautions: Prevent from entering into soil, ditches, sewers, waterways and/or
groundwater. See Section 12, Ecological Information.
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