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112
SHARP
Date Revised : Apr. 9, 2003
Date Issued : July. 16. 1999
MATERIAL SAFETY DATA SHEET (3/4)
MSDS No. P-00102
10. STABILITY AND REACTIVITY
Stability : Stable
Hazardous Reactions : Dust explosion, like most finely divided organic powders.
Conditions to avoid : Electric discharge, throwing into fire.
Materials to avoid : Oxidizing Materials
Hazardous Decomposition Products : CO, CO2 and NO
X
Further Information : None
11. TOXICOLOGICAL INFORMATION
Acute Toxicity
Ingestion(oral) : LD
50
>2000mg/kg(Rats)
Dermal :LD
50
>2000mg/kg(Rats)
Inhalation : No data
Eye irritation :Not an irritant
Skin irritation : Not an irritant
Skin sensitizer : No sensitization
Mutagenicity) : Negative(Ames Test)
Carcinogenicity : In 1996 the IARC reevaluated carbon black as a Group 2B carcinogen
(possible human carcinogen). This classification is given to chemicals
for which there is inadequate human evidence, but sufficient animal
evidence on which to base an opinion of carcinogenicity. The
classification is based upon the development of lung tumors in rats
receiving chronic inhalation exposures to free carbon black at levels
that induce particle overload of the lung. Studies performed in animal
models other than rats did not show any association between carbon
black and lung tumors. Moreover, a two-year cancer bioassay using a
typical toner preparation containing carbon black demonstrated no
association between toner exposure and tumor development in rats.
Chronic Effect : In a study in rats of chronic inhalation exposure to a typical toner, a
mild to moderate degree of lung fibrosis was observed in 92% of the
rats in the high concentration (16mg/m
3
) exposure group, and a
minimal to mild degree of fibrosis was noted in22% of the animals in
the middle (4mg/m
3
) exposure group, but no pulmonary change was
reported in the lowest (1mg/m
3
) exposure group, the most relevant
level to potential human exposures.
12. ECOLOGICAL INFORMATION
No data are available.
13. DISPOSAL CONSIDERATIONS
Waste from residues : Waste material may be dumped or incinerated under conditions which
meet all federal, state and local environmental regulations.
Contaminated Packaging : Waste may be disposed or incinerated under conditions which meet
all federal, state and local environmental regulations.
14. TRANSPORT INFORMATION
UN Classification : None
Not classified as hazardous for transport.