OSHA Material Safety Data Sheet
METACAULK
®
835+
Page 6
Se c t i o n 11 – toxi c o l o gy in f o r m at i o n
Chronic Health Hazards
No ingredient in this product is an IARC, NTP or OSHA listed carcinogen. May cause an allergic skin reaction.
Suspected of causing cancer. Although the carbon black (CAS# 1333-86-4) is encapsulated by the silicone sealant,
prolonged overexposure to carbon black dust causes lung brosis. Although the titanium dioxide (CAS# 13463-67-7)
is encapsulated by the silicone sealant, prolonged overexposure to titanium dioxide dust causes tightness pain in the
chest, coughing and difficulty breathing. The curing vapor, Methyl Ethyl Ketoxime (CAS# 96-29-7), may cause
drowsiness, injure blood, liver and may irritate or harm nose, throat, lungs and eyes. Direct contact with eyes
will irritate. Direct contact with skin may irritate.
Toxicology Data
Ingredient Name
Amorphous Silica
Oral-Rat LD50: 22,500 mg/kg
Inhalation-Rat LC50: N/D
Ketoxime Silane
Oral-Rat LD50: N/D
Inhalation-Rat LC50: N/D
Calcium Carbonate
Oral-Rat LD50: N/D
Inhalation-Rat LC50: N/D
Carbon Black
Oral-Rat LD50: > 5,000 mg/kg
Inhalation-Rat LC50: > 0.0046 mg/L
Titanium Dioxide
Oral-Rat LD50: > 5,000 mg/kg
Inhalation-Rat LC50: >6.82 mg/L
Se c t i o n 10 – Sta b i l i t y a n d re ac t iv i t y
Stability: Stable
Conditions To Avoid: None.
Incompatibility (Materials To Avoid): None known.
Hazardous Decomposition Products: CO, CO
2
and fragmented hydrocarbons.
Hazardous Polymerization: Will not occur.