Name | 5-methylsulfanylthiophene-2-carboxylic acid |
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Synonyms |
5-Methylsulfanylthiophene-2-carboxylic acid
5-methylthiothiophene-2-carboxylic acid 2-thiophenecarboxylic acid,5-(methylthio) 5-(Methylthio)thiophene-2-carboxylic acid 5-(Methylthio)-2-Thiophenecarboxylic Acid 5-Methylmercapto-thiophen-2-carbonsaeure 5-methylsulfanyl-thiophene-2-carboxylic acid MFCD00173742 |
Density | 1.43g/cm3 |
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Boiling Point | 338.2ºC at 760 mmHg |
Melting Point | 103 °C |
Molecular Formula | C6H6O2S2 |
Molecular Weight | 174.24100 |
Flash Point | 158.4ºC |
Exact Mass | 173.98100 |
PSA | 90.84000 |
LogP | 2.16820 |
Vapour Pressure | 3.88E-05mmHg at 25°C |
Index of Refraction | 1.642 |
Synonym: 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: 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: 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# 20873-58-9: 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: Solid Color: beige Odor: pungent odor pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 98 - 103 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: C6H6O2S2 Molecular Weight: 174.1608 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, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 20873-58-9 unlisted. LD50/LC50: Not available. Carcinogenicity: 5-(Methylthio)thiophene-2-carboxylic acid - 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# 20873-58-9: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 20873-58-9 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 20873-58-9 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
Hazard Codes | Xi |
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Risk Phrases | R36/37/38 |
Safety Phrases | S26-S36/37/39 |
HS Code | 2934999090 |
~95% 20873-58-9 |
Literature: Kopp, Felix; Wunderlich, Stefan; Knochel, Paul Chemical Communications, 2007 , # 20 p. 2075 - 2077 |
~% 20873-58-9 |
Literature: Zhurnal Obshchei Khimii, , vol. 29, p. 3636,3639; engl. Ausg. S. 3596, 3598 |
~% 20873-58-9 |
Literature: Journal of the Chemical Society, , p. 237,241 |
Precursor 4 | |
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DownStream 1 | |
HS Code | 2934999090 |
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Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |