Buckytubes - General Properties and Safety Data

Chemical Identifiers

Table 1. General chemical identifiers of buckytubes

Property	Identifier
Decomposition Products	Carbon Fullerene
Formula	Carbon
Chemical Family	Synthetic Graphite
Synonyms	Single Wall Carbon Nanotubes, SWNT
CAS Number	7782-42-5 (Graphite)

Table 2. Composition and ingredient information

Component	%	OSHA/PEL	ACGIH/TLV
Synthetic Graphite	Up to 100%	15 mg/m³ (total dust) 5 mg/m³ (respirable fraction)	2 mg/m³ TWA
Metallic Impurity	Balance

Table 3. Potential hazards

Hazard	Symptom	First Aid Treatment
Eye Contact	May cause eye irritation	Immediately flush eyes with copious amounts of water for 15 minutes. If exposure persists, get medial attention
Skin Contact	No know hazards, but may be mildly irritating	Flush skin with water.
Inhalation	May cause irritation to respiratory tract	Remove to fresh air. If breathing difficulties persist, get medical attention
Ingestion	No known hazards, but may irritate gastrointestinal tract	Not expected to require first aid. If large amounts swallowed, give water and get medical advice.
Acute and Chronic Health Effects	High concentration of dusts may be irritating to eyes, skin, mucus membranes and respiratory tract.

Table 3. Fire fighting Measures

Property	Fire Fighting Measure
Flash Point	Not applicable
Explosion Limits	Unknown
Extinguisher Medium	Water, Carbon Dioxide, Dry Chemical, or Foam
Special Procedures	None
Decomposition Products	Carbon Monoxide, Carbon Dioxide
Unusual Hazards	Thermal decomposition or combustion may produce dense smoke.
Spill Procedures	Sweep or vacuum according to normal housekeeping practices

Table 4. Physical and chemical properties

Property	Information
Form and Colour	Clumpy, black powder
Molecular Weight	840 to greater than 10,000,000
Boiling Point	Not applicable
Melting Point	Not determined. Expected to be greater than 2000°F
Specific Gravity	Greater than 1
Solubility in Water	Insoluble
Odour	Odourless
Stability	Yes
Hazardous Polymerisation	No
Hazardous Decomposition Products	Thermal decomposition or combustion may produce dense smoke, carbon monoxide and carbon dioxide
Materials to avoid	Strong oxidizing and reducing agents
Incompatibilities	None known
Conditions to avoid	None known

Source: Carbon Nanotechnologies, Inc.

For more information on this source please visit Carbon Nanotechnologies, Inc.

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