3,4-dimethylthieno[2,3-b]thiophene-5-carbaldehyde structure
|
Common Name | 3,4-dimethylthieno[2,3-b]thiophene-5-carbaldehyde | ||
---|---|---|---|---|
CAS Number | 159709-36-1 | Molecular Weight | 196.28900 | |
Density | 1.337g/cm3 | Boiling Point | 346.9ºC at 760mmHg | |
Molecular Formula | C9H8OS2 | Melting Point | 147-149ºC | |
MSDS | N/A | Flash Point | 163.6ºC |
Name | 3,4-dimethylthieno[2,3-b]thiophene-5-carbaldehyde |
---|---|
Synonym | More Synonyms |
Density | 1.337g/cm3 |
---|---|
Boiling Point | 346.9ºC at 760mmHg |
Melting Point | 147-149ºC |
Molecular Formula | C9H8OS2 |
Molecular Weight | 196.28900 |
Flash Point | 163.6ºC |
Exact Mass | 196.00200 |
PSA | 73.55000 |
LogP | 3.39210 |
Vapour Pressure | 5.58E-05mmHg at 25°C |
Index of Refraction | 1.708 |
Synonym:3,4-Dimethylthieno[b]thiophene-2-carboxaldehyd 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# 159709-36-1: 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: tan Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 147 - 149 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: C9H8OS2 Molecular Weight: 196 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, reducing agents, amines. Hazardous Decomposition Products: Carbon monoxide, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 159709-36-1 unlisted. LD50/LC50: Not available. Carcinogenicity: 3,4-Dimethylthieno[2,3-b]thiophene-2-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: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 159709-36-1: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 159709-36-1 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 159709-36-1 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; |
---|---|
HS Code | 2934999090 |
~74% 3,4-dimethylthi... CAS#:159709-36-1 |
Literature: Mashraqui, Sabir H.; Sangvikar, Yogesh S.; Meetsma, Auke Tetrahedron Letters, 2006 , vol. 47, # 31 p. 5599 - 5602 |
Precursor 2 | |
---|---|
DownStream 0 |
HS Code | 2934999090 |
---|---|
Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
3,5-dimethyl thieno(2,3-b) thiophene 2-carboxaldehyde |
2-formyl-3,4-dimethylthieno[2,3-b]thiophene |
3,4-Dimethyl-thieno[2,3-b]thiophene-2-carbaldehyde |
3,4-Dimethylthieno[2,3-b]thiophene-2-carboxaldehyde |