Material Safety Data Sheet
Pentacene, 98%
ACC# 56430
Section 1 - Chemical Product and Company Identification
MSDS Name: Pentacene, 98%
Catalog Numbers: AC129790000, AC129791000
Synonyms: Benzo(B) naphthalene; 2,3:6,7-dibenzanthracene
Company Identification:
Acros Organics N.V.
One Reagent Lane
Fair Lawn, NJ 07410
For information in North America, call: 800-ACROS-01
For emergencies in the US, call CHEMTREC: 800-424-9300
Section 2 - Composition, Information on Ingredients
CAS# Chemical Name Percent EINECS/ELINCS
135-48-8 Pentacene 98.0 205-193-7
Hazard Symbols: None listed.
Risk Phrases: None listed.
Section 3 - Hazards Identification
EMERGENCY OVERVIEW
Appearance: black powder. Caution! The toxicological properties of this material have
not been fully investigated.
Target Organs: None known.
Potential Health Effects
Eye: No information regarding eye irritation and other potential effects was found.
Skin: No information regarding skin irritation and other potential effects was found.
Ingestion: The toxicological properties of this substance have not been fully
investigated.
Inhalation: The toxicological properties of this substance have not been fully
investigated. Inhalation of dust may cause respiratory tract irritation.
Chronic: No information found.
Section 4 - First Aid Measures
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally
lifting the upper and lower eyelids. Get medical aid immediately.
Skin: Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes
while removing contaminated clothing and shoes.
Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give
anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation: Remove from exposure to fresh air immediately. If not breathing, give
artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician: Treat symptomatically.
Section 5 - Fire Fighting Measures
General Information: As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
During a fire, irritating and highly toxic gases may be generated by thermal
decomposition or combustion.
Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or
alcohol-resistant foam.
Flash Point: Not available.
Autoignition Temperature: Not available.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating: Not published.
Section 6 - Accidental Release Measures
General Information: Use proper personal protective equipment as indicated in Section
8.
Spills/Leaks: Sweep up, then place into a suitable container for disposal. Avoid
generating dusty conditions.
Section 7 - Handling and Storage
Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust
generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container
tightly closed. Avoid ingestion and inhalation.
Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area
away from incompatible substances.
Section 8 - Exposure Controls, Personal Protection
Engineering Controls: Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
Chemical Name ACGIH NIOSH OSHA - Final PELs
Pentacene none listed none listed none listed
OSHA Vacated PELs: Pentacene: No OSHA Vacated PELs are listed for this chemical.
Personal Protective Equipment
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by
OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard
EN166.
Skin: Wear appropriate protective clothing to prevent skin exposure.
Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or
European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved
respirator when necessary.
Section 9 - Physical and Chemical Properties
Physical State: Powder
Appearance: black
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point:> 300 deg C
Decomposition Temperature:Not available.
Solubility: insoluble
Specific Gravity/Density:Not available.
Molecular Formula:C22H14
Molecular Weight:278.34
Section 10 - Stability and Reactivity
Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid: Incompatible materials, dust generation, strong oxidants.
Incompatibilities with Other Materials: Strong oxidizing agents.
Hazardous Decomposition Products: Carbon monoxide, irritating and toxic fumes and
gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.
Section 11 - Toxicological Information
RTECS#:
CAS# 135-48-8 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
CAS# 135-48-8: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
Section 12 - Ecological Information
No information available.
Section 13 - Disposal Considerations
Chemical waste generators must determine whether a discarded chemical is classified as
a hazardous waste. US EPA guidelines for the classification determination are listed in 40
CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous
waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.
Section 14 - Transport Information
Canada
US DOT IATA RID/ADR IMO
TDG
No No
Shipping Name: information information
available. available.
Hazard Class:
UN Number:
Packing Group:
Section 15 - Regulatory Information
US FEDERAL
TSCA
CAS# 135-48-8 is listed on the TSCA inventory.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
SARA
CERCLA Hazardous Substances and corresponding RQs
None of the chemicals in this material have an RQ.
SARA Section 302 Extremely Hazardous Substances
None of the chemicals in this product have a TPQ.
Section 313
No chemicals are reportable under Section 313.
Clean Air Act:
This material does not contain any hazardous air pollutants. This material does not
contain any Class 1 Ozone depletors. This material does not contain any Class 2 Ozone
depletors.
Clean Water Act:
None of the chemicals in this product are listed as Hazardous Substances under the CWA.
None of the chemicals in this product are listed as Priority Pollutants under the CWA.
None of the chemicals in this product are listed as Toxic Pollutants under the CWA.
OSHA:
None of the chemicals in this product are considered highly hazardous by OSHA.
STATE
CAS# 135-48-8 is not present on state lists from CA, PA, MN, MA, FL, or NJ.
California No Significant Risk Level: None of the chemicals in this product are listed.
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols:
Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 135-48-8: No information available.
Canada - DSL/NDSL
CAS# 135-48-8 is listed on Canada's NDSL List.
Canada - WHMIS
WHMIS: Not available.
Canadian Ingredient Disclosure List
Exposure Limits
Section 16 - Additional Information
MSDS Creation Date: 9/02/1997
Revision #1 Date: 8/02/2000
The information above is believed to be accurate and represents the best information currently available to us.
However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such
information, and we assume no liability resulting from its use. Users should make their own investigations to
determine the suitability of the information for their particular purposes. In no event shall Fisher be liable for any
claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or
exemplary damages, howsoever arising, even if Fisher has been advised of the possibility of such damages.
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