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10. STABILITY AND REACTIVITY
Stability
Hazardous Reactions
Conditions to avoid
Materials to avoid
Hazardous Decomposition Products : Co, CO
Further Information
11. TOXICOLOGICAL INFORMATION
Acute Toxicity
Ingestion (oral) : LD50 > 2000mg/kg (Estimated from the constituent components)
Dermal
Inhalation
Eye irritation
Skin irritation
Skin sensitizer : No sensitization
Mutagenicity
Carcinogenicity
Chronic Effects
12. ECOLOGICAL INFORMATION
No data are available.
13. DISPOSAL CONSIDERATIONS
Waste from residues
Contaminated Packaging :Waste may be disposed or incinerated under conditions which meet all
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MATERIAL SAFETY DATA SHEET (3/4)
:Stable
:Dust explosion, like most finely divided organic powders.
: Electri discharge, throwing into fire.
: Oxidizing Materials
: None
: LD 50 > 2000mg/kg (rats
: No data
: Not an irritant (Rabbits)
: Not an irritant (Rabbits)
: Negative (Ames Test)
: 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 inade-
quate 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.
: 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
exposure group, and a minimal to mild degree of fibrosis was noted in 22% of the
animals in the middle (4mg/m
reported in the lowest (1mg/m
human exposures.
:Waste material may be dumped or incinerated under conditions which meet
all federal, state and local environmental regulations.
federal, state and local environmental regulations.
Date Revised : Aug.7, 2001
and NO
2
x
3
) exposure group, but no pulmonary change was
3
) exposure group, the most relevant level to potential
Date Issued : Jun.1, 1998
MSDS No. F-30831
3
)
1-45
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