Name | 3,4-Dihydro-2H-pyran-5-carbaldehyde |
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Synonyms |
MFCD00085019
2H-Pyran-3-carboxaldehyde, 5,6-dihydro- 5,6-Dihydro-2H-pyran-3-carbaldehyde 2H-Pyran-5-carboxaldehyde, 3,4-dihydro- 3,4-DIHYDRO-2H-PYRAN-5-CARBALDEHYDE |
Density | 1.2±0.1 g/cm3 |
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Boiling Point | 182.2±29.0 °C at 760 mmHg |
Molecular Formula | C6H8O2 |
Molecular Weight | 112.127 |
Flash Point | 71.2±17.8 °C |
Exact Mass | 112.052429 |
PSA | 26.30000 |
LogP | 0.32 |
Vapour Pressure | 0.8±0.3 mmHg at 25°C |
Index of Refraction | 1.561 |
Synonym:2,3-Dihydropyran-5-carboxaldehyd Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: Causes respiratory tract irritation. May be harmful if inhaled. Chronic: Not available. 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. Ingestion: Get medical aid. Wash mouth out 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, 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: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Section 7 - HANDLING and STORAGE Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. 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. Exposure Limits CAS# 25090-33-9: Personal Protective Equipment Eyes: Not available. 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 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Liquid Color: colorless Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: Not available. Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C6H8O2 Molecular Weight: 112 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, reducing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 25090-33-9 unlisted. LD50/LC50: Not available. Carcinogenicity: 3,4-Dihydro-2H-pyran-5-carbaldehyde - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA No information available. IMO No information available. RID/ADR No information available. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 25090-33-9: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 25090-33-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 25090-33-9 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
Hazard Codes | Xi: Irritant; |
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Risk Phrases | 36/37/38 |
Safety Phrases | 26-36/37/39 |
HS Code | 2932999099 |
~93% 25090-33-9 |
Literature: Muehmel, G.; Hanke, R.; Breitmaier, E. Synthesis, 1982 , # 8 p. 673 - 677 |
~% 25090-33-9 |
Literature: Bioorganic and Medicinal Chemistry, , vol. 16, # 15 p. 7167 - 7176 |
~% 25090-33-9 |
Literature: Chemische Berichte, , vol. 115, # 4 p. 1657 - 1661 |
Precursor 3 | |
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DownStream 0 |
HS Code | 2932999099 |
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Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |