MSDS

M A T E R I A L S A F E T Y D A T A S H E E T
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HE208R - HENRY 208R RUBBERIZED WET PATCH
ROOF LEAK REPAIR
10. Stability And Reactivity
Stability: Stable
Hazardous Polymerization: Will not occur
Incompatible Materials
Avoid contact with strong oxidizing agents and acids.
Hazardous Decomposition Products
Toxic and irritating gases, vapors or fumes, carbon monoxide (CO), carbon dioxide (CO2).
11. Toxicological Information
Chronic/Carcinogenicity
IARC has concluded that the following chemicals in this product are carcinogenic to humans (Group 1): silica, quartz
ACGIH has designated the following chemicals in this product as suspected human carcinogens (A2): silica, quartz
NTP has listed the following chemicals in this product as known human carcinogens: silica, quartz
Risk of cancer depends on duration and level of exposure to this product as a dust.
Miscellaneous Toxicological Information
Toxicological testing has not been conducted for this product overall. Available toxicological data for individual
ingredients are summarized below.
Ingredient(s) - Toxicological Data
1,2,4-trimethylbenzene
LD50 (oral, rat): 5000 mg/kg
LC50 (rat): 18 g/m3 (4-hour exposure)
aromatic petroleum distillates
LD50 (oral, rat): 2900 mg/kg
calcium carbonate
oral-rat LD50: 6450 mg/kg
cellulose fiber
LD50 (oral, rat): >2000 mg/kg
LC50 (rat): >5800 mg/m3 (4-hour exposure)
silica, quartz
iv-rat LD50: 500 mg/kg bw/Quartz (10-200 um)
stoddard solvent
oral-rat LD50: >5000 mg/kg
dermal-rabbit LD50: >3000 mg/kg
inhal-rat LC50: >5500 mg/m3 (880 ppm)
inhal-rat LC50: >1300 ppm
12. Ecological Information
No specific information available.
13. Disposal Considerations
Dispose in accordance with applicable federal, state and local government regulations.
14. Transport Information
Ground or Water Domestic Voyage
Not restricted if shipped in containers<450L (119 gallons)
Restricted if shipped in containers >450L (119 gallons)