7-HYDROXY-2,2,5-TRIMETHYL-2,3-DIHYDRO-4H-CHROMEN-4-ONE structure
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Common Name | 7-HYDROXY-2,2,5-TRIMETHYL-2,3-DIHYDRO-4H-CHROMEN-4-ONE | ||
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CAS Number | 20052-60-2 | Molecular Weight | 206.23800 | |
Density | 1.165 g/cm3 | Boiling Point | 369.2ºC at 760 mmHg | |
Molecular Formula | C12H14O3 | Melting Point | 189ºC | |
MSDS | N/A | Flash Point | 144.4ºC |
Name | 7-hydroxy-2,2,5-trimethyl-3H-chromen-4-one |
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Synonym | More Synonyms |
Density | 1.165 g/cm3 |
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Boiling Point | 369.2ºC at 760 mmHg |
Melting Point | 189ºC |
Molecular Formula | C12H14O3 |
Molecular Weight | 206.23800 |
Flash Point | 144.4ºC |
Exact Mass | 206.09400 |
PSA | 46.53000 |
LogP | 2.44440 |
Vapour Pressure | 5.67E-06mmHg at 25°C |
Index of Refraction | 1.547 |
Synonym:7-Hydroxy-2,2,5-trimethyl chromanon Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Not available. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: May cause 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. 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: Vacuum or sweep up material and place into a suitable disposal 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: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 20052-60-2: 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: Solid Color: off-white Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 189 - 191 deg C 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: C12H14O3 Molecular Weight: 206 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, acrid smoke and fumes. Hazardous Polymerization: Not available. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 20052-60-2 unlisted. LD50/LC50: Not available. Carcinogenicity: 7-Hydroxy-2,2,5-trimethyl-2,3-dihydro-4H-chromen-4-one - 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: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 20052-60-2: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 20052-60-2 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 20052-60-2 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
Hazard Codes | Xi |
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Risk Phrases | R36/37/38 |
Safety Phrases | 26-36/37/39 |
~89% 7-HYDROXY-2,2,5... CAS#:20052-60-2 |
Literature: Sowmithran, D.; Rajendra Prasad, K. J. Synthesis, 1985 , # 5 p. 545 - 546 |
~53% 7-HYDROXY-2,2,5... CAS#:20052-60-2 |
Literature: Morales, Paula; Azofra, Luis Miguel; Cumella, Jose; Hernandez-Folgado, Laura; Roldan, Maria; Alkorta, Ibon; Jagerovic, Nadine Arkivoc, 2014 , vol. 2014, # 2 p. 319 - 332 |
~84% 7-HYDROXY-2,2,5... CAS#:20052-60-2 |
Literature: Ramana, M. M. V.; Kudav, N. A. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-12 p. 339 - 341 |
~88% 7-HYDROXY-2,2,5... CAS#:20052-60-2 |
Literature: Acta Chimica Hungarica, , vol. 125, # 3 p. 457 - 464 |
~90% 7-HYDROXY-2,2,5... CAS#:20052-60-2 |
Literature: Sowmithran, D.; Rajendra Prasad, K. J. Synthesis, 1985 , # 5 p. 545 - 546 |
~10% 7-HYDROXY-2,2,5... CAS#:20052-60-2
Detail
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Literature: Indian Journal of Chemistry - Section B Organic Chemistry Including Medicinal Chemistry, , vol. 29, # 7 p. 661 - 663 |
7-hydroxy-2,2,5-trimethyl-chroman-4-one |
7-Hydroxy-2,2,5-trimethyl-4-chromanone |
2,3-Dihydro-7-hydroxy-2,2,5-trimethyl-4H-1-benzopyran-4-one |
7-hydroxy-2,2,5-trimethyl-3,4-dihydro-2H-chromen-4-one |
7-Hydroxy-2,2,5-trimethyl-2,3-dihydro-4H-chromen-4-one |