Material Safety Data Sheet **** SECTION 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION **** MSDS Name: 5-Azacytidine, 99% Catalog Numbers: AC226620000, AC226620500 Synonyms: Company Identification (Europe): Acros Organics BVBA Janssen Pharmaceuticalaan 3a 2440 Geel, Belgium Company Identification (USA): Acros Organics One Reagent Lane Fairlawn, NJ 07410 For information in North America, call: 800-ACROS-01 For information in Europe, call: 0032(0) 14575211 For emergencies in the US, call CHEMTREC: 800-424-9300 For emergencies in Europe, call: 0032(0) 14575299 **** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS **** +----------------+--------------------------------------+----------+-----------+ | CAS# | Chemical Name | % | EINECS# | |----------------|--------------------------------------|----------|-----------| | 320-67-2 |5-azacytidine | 99 | 206-280-2 | +----------------+--------------------------------------+----------+-----------+ Hazard Symbols: XN Risk Phrases: 40 **** SECTION 3 - HAZARDS IDENTIFICATION **** EMERGENCY OVERVIEW Possible risks of irreversible effects.Light sensitive. Potential Health Effects Eye: Dust may cause mechanical irritation. Skin: Causes skin irritation. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause blood abnormalities. Inhalation: Inhalation of dust may cause respiratory tract irritation. Chronic: May cause cancer in humans. **** 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 immediately. Skin: Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove 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: **** 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 water spray, dry chemical, carbon dioxide, or chemical foam. **** SECTION 6 - ACCIDENTAL RELEASE MEASURES **** General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: 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. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Deep freeze (below -20&C). **** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION **** Engineering Controls: Use adequate ventilation to keep airborne concentrations low. 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: Follow the OSHA respirator regulations found in 29CFR 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: Solid Appearance: white Odor: Not available. 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: 228.00 - 230.00 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility: Specific Gravity/Density: Molecular Formula: C8H12N4O5 Molecular Weight: 244.21 **** 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, oxides of nitrogen, carbon dioxide. Hazardous Polymerization: Has not been reported **** SECTION 11 - TOXICOLOGICAL INFORMATION **** RTECS#: CAS# 320-67-2: XZ3017500 LD50/LC50: CAS# 320-67-2: Oral, mouse: LD50 = 572 mg/kg. Carcinogenicity: 5-azacytidine - California: carcinogen; initial date 1/1/92 NTP: Suspect carcinogen OSHA: Possible Select carcinogen IARC: Group 2A carcinogen Epidemiology: Experimental reproductive, and teratogenic effects have been reported. Human mutation data has been reported. Teratogenicity: No data available. Reproductive Effects: No data available. Neurotoxicity: No data available. Mutagenicity: No data available. Other Studies: No data available. **** SECTION 12 - ECOLOGICAL INFORMATION **** **** SECTION 13 - DISPOSAL CONSIDERATIONS **** Dispose of in a manner consistent with federal, state, and local regulations. **** SECTION 14 - TRANSPORT INFORMATION **** US DOT No information available Canadian TDG No information available. **** SECTION 15 - REGULATORY INFORMATION **** US FEDERAL TSCA CAS# 320-67-2 is not listed on the TSCA inventory. It is for research and development use only. 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 5-azacytidine can be found on the following state right to know lists: California, Massachusetts. The following statement(s) is(are) made in order to comply with the California Safe Drinking Water Act: WARNING: This product contains 5-azacytidine, a chemical known to the state of California to cause cancer. 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: XN Risk Phrases: R 40 Possible risks of irreversible effects. Safety Phrases: S 24/25 Avoid contact with skin and eyes. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). WGK (Water Danger/Protection) CAS# 320-67-2: 2 United Kingdom Occupational Exposure Limits Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 320-67-2 is not listed on Canada's Ingredient Disclosure List. Exposure Limits **** SECTION 16 - ADDITIONAL INFORMATION **** MSDS Creation Date: 8/20/1998 Revision #2 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 way shall the company 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 the company has been advised of the possibility of such damages. --------------------------------------------------------------------------------