Material Safety Data Sheet
9,9-Dimethylxanthene 
Section 1 - Chemical Product and Company Identification
MSDS Name: 9,9-Dimethylxanthene 
Catalog Numbers: 86-57942

Section 2 - Composition, Information on Ingredients 
CAS# 19814-75-6
Chemical Name: 9,9-Dimethylxanthene
Percent  98%
EINECS/ELINCS
Hazard Symbols: no data
Risk Phrases: not reported.

Section 3 - Hazards Identification 
EMERGENCY OVERVIEW
Harmful if swallowed. May irritating to eyes, respiratory system and skin.

Potential Health Effects
Eye: May cause eye irritation.
Skin: May cause skin irritation. May be harmful if absorbed through the skin. May cause sensitization by skin contact.
Ingestion: Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation: May cause respiratory tract irritation. May be harmful if inhaled.
Chronic: Limited evidence of a carcinogenic effect. 

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 soap and water.
Ingestion: Never give anything by mouth to an unconscious person. Rinse mouth with water.
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.
Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide..

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. Do not let this chemical enter the environment.

Section 7 - Handling and Storage 
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Store in a tightly closed container.

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.

Personal Protective Equipment
Eyes: Wear chemical splash goggles.
Skin: Wear chemical splash goggles. Wear appropriate protective gloves to prevent  skin exposure.
Clothing: Wear appropriate protective gloves, clothing and goggles.
Respirators: Wear positive pressure self-contained breathing apparatus (SCBA).

Section 9 - Physical and Chemical Properties 
Physical State:Powder
Color: Yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point::114-115 °C0.6 mm Hg(lit.)
Freezing/Melting Point:: 35-38 °C(lit.)
Autoignition Temperature: Not available
Flash Point: >230 °F
Decomposition Temperature:Not available.
Solubility: Not available
Specific Gravity/Density:Not available
Molecular Formula: C15H14O

Molecular Weight:: 210.27

Section 10 - Stability and Reactivity 
Chemical Stability: no data available
Conditions to Avoid: Incompatible materials.
Incompatibilities with Other Materials: Strong oxidizing agents.
Hazardous Decomposition Products: no data available
Hazardous Polymerization: Has not been reported.

Section 11 - Toxicological Information 
RTECS#:     
CAS# 19814-75-6:
LD50/LC50: RTECS:
CAS#19814-75-6:
Carcinogenicity:
9,9-Dimethylxanthene, 98%- Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology: No information found
Other Studies: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information.

Section 12 - Ecological Information 
a health hazard

Section 13 - Disposal Considerations 
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - Transport Information 
Shipping Name: MENATETRANONE 
UN Number: Not available
Packing Group: Not available
WGK Germany: 3

Section 15 - Regulatory Information 
European Labeling in Accordance with EC Directives
      Hazard Class: no data
      Risk Phrases:
             R 22 Do not breathe dust
             R 24/25 Avoid contact with skin and eyes
        Safety Phrases:
             Not reported

Section 16 - Additional Information
While the information herein is believed to be reliable, it is furnished without warranty of any kind. It shall be used only as a guide. We assume no liabilities from the use of this product or information contained herein.