Material Safety Data Sheet

1,6-Diphenyl-1,3,5-Hexatriene, 98%



ACC# 97323

Section 1 - Chemical Product and Company Identification

MSDS Name: 1,6-Diphenyl-1,3,5-Hexatriene, 98%

Catalog Numbers: AC117300000, AC117300010, AC117300050

Synonyms: Benzene,1,1'-(1,3,5-Hexatriene-1,6-diyl)bis-.

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# 	1720-32-7	

Chemical Name 	Benzene, 1,1'-(1,3,5-hexatriene-1,6-diyl)bis- 	

Percent 	98 	

EINECS/ELINCS 217-011-3



Hazard Symbols: None listed.

Risk Phrases: None listed.



Section 3 - Hazards Identification



EMERGENCY OVERVIEW



Appearance: yellow crystalline powder. Caution! The toxicological 

   properties of this material have not been fully investigated. 

   May cause eye and skin irritation. May cause respiratory and 

   digestive tract irritation.

Target Organs: None known.





Potential Health Effects

Eye: May cause eye irritation.

Skin: May cause skin irritation.

Ingestion: May cause irritation of the digestive tract. 

   The toxicological properties of this substance have not been 

   fully investigated.

Inhalation: May cause respiratory tract irritation. 

   The toxicological properties of this substance have not been 

   fully investigated.

Chronic: No information found.



Section 4 - First Aid Measures



Eyes: Flush eyes with plenty of water for at least 15 minutes, 

   occasionally lifting the upper and lower eyelids. Get medical aid.

Skin: Get medical aid. Flush skin with plenty of water for at 

   least 15 minutes while removing contaminated clothing and shoes. 

   Wash clothing before reuse.

Ingestion: Do NOT induce vomiting. 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.

Inhalation: Remove from exposure and move to fresh air immediately. 

   If not breathing, give artificial respiration. If breathing 

   is difficult, give oxygen. Get medical aid.

Notes to Physician: Treat symptomatically and supportively.



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: Use agent most appropriate to extinguish fire. 

   Use water spray, dry chemical, carbon dioxide, or appropriate foam.

Flash Point: Not applicable.

Autoignition Temperature: Not applicable.

Explosion Limits, Lower:Not available.

Upper: Not available.

NFPA Rating: (estimated) Health: 1; Flammability: 0; Instability: 0



Section 6 - Accidental Release Measures



General Information: Use proper personal protective equipment as 

   indicated in Section 8.

Spills/Leaks: Vacuum or sweep up material and place into a suitable 

   disposal container. Clean up spills immediately, observing 

   precautions in the Protective Equipment section. Avoid 

   generating dusty conditions. Provide ventilation.



Section 7 - Handling and Storage



Handling: Wash thoroughly after handling. Remove contaminated clothing 

   and wash before reuse. 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: Facilities storing or utilizing this material 

   should be equipped with an eyewash facility and a safety shower. 

   Use adequate ventilation to keep airborne concentrations low.

Exposure Limits

   Chemical Name 	Benzene, 1,1'-(1,3,5-hexatriene-1,6-diyl)bis-	

   ACGIH 	none listed	

   NIOSH 	none listed 	

   OSHA - Final PELs none listed



OSHA Vacated PELs: Benzene, 1,1'-(1,3,5-hexatriene-1,6-diyl)bis-: 

   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 gloves to prevent skin exposure.

Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators: A respiratory protection program that meets OSHA's 

   29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard 

   EN 149 must be followed whenever workplace conditions warrant 

   a respirator's use.



Section 9 - Physical and Chemical Properties





Physical State: Crystalline powder

Appearance: yellow

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:201.50 - 202.50 deg C

Decomposition Temperature:Not available.

Solubility: Not available.

Specific Gravity/Density:Not available.

Molecular Formula:C18H16

Molecular Weight:232.33



Section 10 - Stability and Reactivity





Chemical Stability: Stable under normal temperatures and pressures.

Conditions to Avoid: Incompatible materials, dust generation, 

   excess heat, 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# 1720-32-7 unlisted.

LD50/LC50:

Not available.



Carcinogenicity:

CAS# 1720-32-7: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.

Epidemiology: No information found.

Teratogenicity: No information found.

Reproductive Effects: No information found.

Neurotoxicity: No information found.

Mutagenicity: No information found.

Other Studies: No data available.



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



	US DOT 	IATA 	RID/ADR 	IMO 	Canada TDG

Shipping Name: 	No information available. 				No information available.

Hazard Class: 					

UN Number: 					

Packing Group: 					



Section 15 - Regulatory Information



US FEDERAL



TSCA

CAS# 1720-32-7 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# 1720-32-7 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.

S 37 Wear suitable gloves.

S 45 In case of accident or if you feel unwell, seek

medical advice immediately (show the label where

possible).

S 28A After contact with skin, wash immediately with

plenty of water.



WGK (Water Danger/Protection)

CAS# 1720-32-7: No information available.

Canada - DSL/NDSL

CAS# 1720-32-7 is listed on Canada's NDSL List.

Canada - WHMIS

This product has a WHMIS classification of D2B.

Canadian Ingredient Disclosure List

Exposure Limits



Section 16 - Additional Information



MSDS Creation Date: 9/02/1997

Revision #3 Date: 3/18/2003



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.