¡Look at (and READ) the pink stuff jug!
On the advice of a friend that used to be a product engineer for a major OE chemical supplier, I have started reading the jugs of RV anti-freeze that I have. The old ones were straight Propylene ...
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While it does say "SAFE". You just have to go to the MSDS (Material Safety Data Sheet) guide for the full instructions which the pertinent instructions from the MSDS is listed below. We do NOT install RV antifreeze in any frsh drinkable system other than a small cupful thru the water pump and the dishwasher/clothes washer drain pump. We install a cupful in each P trap, but blow out the complete system including the Icemaker. We DO install RV antifreeze in the Hydronic Heat hot water loop as blowing out a Hydronic system will not keep the heat coil from freezing and rupturing. But that is only at most a quart. This makes it a lot easier to flush out the system in the spring. Doug
Chemical Name & Synonyms: Antifreeze - Propylene Glycol based
Chemical Family: Polyalcohol
Proper DOT Shipping Name: NON TOX Anti-Freeze
Trade Name & Synonyms: -50 DOW RV & Marine Antifreeze
DOT Hazard Classification: Non-hazardous, Not Regulated
OSHA Permissible Exposure Limits: None established.
ACGIH Threshold Limit Value: 1
Carcinogen - NTP Program: N/A
Carcinogen - IARC Program: N/A
Symptoms of Exposure: Practically non-toxic; mild skin irritant. May cause
diarrhea by oral ingestion.Medical Conditions
Aggravated By Exposure: May be a skin sensitizer to some individuals.
Primary Route(s) of Entry: Skin, eyes, ingestion and inhalation.
Emergency First Aid: Flush with water. If irritation develops call a
physician.
Eyes: Flush with water, if irritation develops call a
physician.
Ingestion: Drink water to dilute.
Inhalation: Remove victim to fresh air.
Chemical Name & Synonyms: Antifreeze - Propylene Glycol based
Chemical Family: Polyalcohol
Proper DOT Shipping Name: NON TOX Anti-Freeze
Trade Name & Synonyms: -50 DOW RV & Marine Antifreeze
DOT Hazard Classification: Non-hazardous, Not Regulated
OSHA Permissible Exposure Limits: None established.
ACGIH Threshold Limit Value: 1
Carcinogen - NTP Program: N/A
Carcinogen - IARC Program: N/A
Symptoms of Exposure: Practically non-toxic; mild skin irritant. May cause
diarrhea by oral ingestion.Medical Conditions
Aggravated By Exposure: May be a skin sensitizer to some individuals.
Primary Route(s) of Entry: Skin, eyes, ingestion and inhalation.
Emergency First Aid: Flush with water. If irritation develops call a
physician.
Eyes: Flush with water, if irritation develops call a
physician.
Ingestion: Drink water to dilute.
Inhalation: Remove victim to fresh air.
