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MATERIAL SAFETY DATA SHEET
Page: 3/4
Date Revised: Jul. 31. 2002
Date Issued : Jun. 1. 1998
MSDS No. F-30831
MSDS No. F-30831
9.PHYSICAL AND CHEMICAL PROPERTIES
Appearance
Physical State : Solid
Form : Powder
Color : Black
Odor : odorless
Ph : Not applicable
Boiling / Melting Point
Boiling / Melting Point
: Not applicable
Flash Point(°C)
: Not applicable
lgnition Point(°C )
: No data
Explosion Properties
: No data
Density(g/cm³) : 5.4 (bulk density : 2.09)
Solubility in Water
Solubility in Water
: Negligible
10.STABILITY AND REACTIVITY
Stability : Stable
Hazardous Reactions
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, CO
2
and NO
X
Further Information
: None
11.TOXICOLOGICAL INFORMATION
Acute Toxicity
Ingestion(oral) :
LD
50
> 2000mg/kg (Rats)
Inhalation :
No
data
Dermal : LD
50
>2000mg/kg(Rats)
Eye irritation
: Not an irritant (Rabbits)
Skin irritation
: Not an irritant (Rabbits)
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.
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 in 22% 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.
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