3M™ Concrete Repair Horizontal Gray, Part A 08/16/16
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Allergic Respiratory Reaction: Signs/symptoms may include difficulty breathing, wheezing, cough, and tightness of chest.
May cause additional health effects (see below).
Skin Contact:
Skin Irritation: Signs/symptoms may include localized redness, swelling, itching, dryness, cracking, blistering, and pain.
Allergic Skin Reaction (non-photo induced): Signs/symptoms may include redness, swelling, blistering, and itching.
Eye Contact:
Severe Eye Irritation: Signs/symptoms may include significant redness, swelling, pain, tearing, cloudy appearance of the
cornea, and impaired vision.
Ingestion:
Gastrointestinal Irritation: Signs/symptoms may include abdominal pain, stomach upset, nausea, vomiting and diarrhea.
Additional Health Effects:
Prolonged or repeated exposure may cause target organ effects:
Respiratory Effects: Signs/symptoms may include cough, shortness of breath, chest tightness, wheezing, increased heart rate,
bluish colored skin (cyanosis), sputum production, changes in lung function tests, and/or respiratory failure.
Additional Information:
Persons previously sensitized to isocyanates may develop a cross-sensitization reaction to other isocyanates.
Toxicological Data
If a component is disclosed in section 3 but does not appear in a table below, either no data are available for that endpoint or
the data are not sufficient for classification.
Acute Toxicity
Name Route Species Value
Overall product Inhalation-
Vapor(4 hr)
No data available; calculated ATE > 50 mg/l
Overall product Ingestion No data available; calculated ATE > 5,000 mg/kg
4,4'-diphenylmethane diisocyanate Dermal Rabbit LD50 > 5,000 mg/kg
4,4'-diphenylmethane diisocyanate Inhalation-
Dust/Mist
(4 hours)
Rat LC50 0.368 mg/l
4,4'-diphenylmethane diisocyanate Ingestion Rat LD50 31,600 mg/kg
poly(diphenylmethane-4,4'-diisocyanate) Dermal Rabbit LD50 > 5,000 mg/kg
poly(diphenylmethane-4,4'-diisocyanate) Inhalation-
Dust/Mist
(4 hours)
Rat LC50 0.368 mg/l
poly(diphenylmethane-4,4'-diisocyanate) Ingestion Rat LD50 31,600 mg/kg
amorphous silica Dermal Rabbit LD50 > 5,000 mg/kg
amorphous silica Inhalation-
Dust/Mist
(4 hours)
Rat LC50 > 0.691 mg/l
amorphous silica Ingestion Rat LD50 > 5,110 mg/kg
ATE = acute toxicity estimate
Skin Corrosion/Irritation
Name Species Value
4,4'-diphenylmethane diisocyanate official
classifica
tion
Irritant
poly(diphenylmethane-4,4'-diisocyanate) official
classifica
tion
Irritant