MEGUIAR'S MC203 User Manual
Page 8
MC203, Motorcycle Leather Cleaner/Conditioner (20-175A): MC20306
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Page: 8 of 17
Siloxanes and silicones, di-Me
Dermal
Rabbit
LD50 > 19,400 mg/kg
Siloxanes and silicones, di-Me
Ingestion
Rat
LD50 > 17,000 mg/kg
Triethanolamine
Dermal
Rabbit
LD50 > 2,000 mg/kg
Triethanolamine
Ingestion
Rat
LD50 9,000 mg/kg
Zinc oxide
Dermal
LD50 estimated to be > 5,000 mg/kg
Zinc oxide
Inhalation-
Dust/Mist
(4 hours)
Rat
LC50 > 5.7 mg/l
Zinc oxide
Ingestion
Rat
LD50 > 5,000 mg/kg
Mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-
2H-isothiazol-3-one
Dermal
Rabbit
LD50 87 mg/kg
Mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-
2H-isothiazol-3-one
Inhalation-
Dust/Mist
(4 hours)
Rat
LC50 0.33 mg/l
Mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-
2H-isothiazol-3-one
Ingestion
Rat
LD50 40 mg/kg
ATE = acute toxicity estimate
Skin Corrosion/Irritation
Name
Species
Value
Distillates (petroleum), hydrotreated middle
Rabbit
Minimal irritation
Stearic Acid
Rabbit
Mild irritant
Siloxanes and silicones, di-Me
Rabbit
No significant irritation
Triethanolamine
Rabbit
Minimal irritation
Zinc oxide
Human
and
animal
No significant irritation
Mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-
one
Rabbit
Corrosive
Serious Eye Damage/Irritation
Name
Species
Value
Distillates (petroleum), hydrotreated middle
Not
available
Mild irritant
Stearic Acid
Moderate irritant
Siloxanes and silicones, di-Me
Rabbit
No significant irritation
Triethanolamine
Rabbit
Mild irritant
Zinc oxide
Rabbit
Mild irritant
Mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-
one
Rabbit
Corrosive
Skin Sensitisation
Name
Species
Value
Triethanolamine
Human
Some positive data exist, but the data are not
sufficient for classification
Zinc oxide
Guinea
pig
Some positive data exist, but the data are not
sufficient for classification
Mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-
one
Human
and
animal
Sensitising
Photosensitisation
Name
Species
Value
Mixture of 5-chloro-2-methyl-2H-isothiazol-3-one and 2-methyl-2H-isothiazol-3-
one
Human
and
animal
Not sensitizing
Respiratory Sensitisation
Name
Species
Value
Germ Cell Mutagenicity
Name
Route
Value