18853-32-2

• 常用中文名：3,4-二氰基噻吩
• 常用英文名：3,4-Dicyanothiophene
• CAS号：18853-32-2
• 分子式：C₆H₂N₂S
• 分子量：134.158
• 相关类别： 医药中间体 杂环化合物 噻吩类化合物
• 发布时间：2018-09-13 14:29:24
• 更新时间：2024-01-07 08:42:13

名称

• 中文名: 3,4-二氰基噻吩
• 英文名: thiophene-3,4-dicarbonitrile
• 英文别名: 3.4-Thienyl dicyanide; 3,4-Thienyldicarbonitrile; 3,4-Thiophenedicarbonitrile; T5SJ CCN DCN; 3,4-Dicyanothiophene; thiophene-3,4-dicarbonitrile; 3,4-Thienodinitrile; 4-dicarbonitrile

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 339.0±27.0 °C at 760 mmHg
• 分子式: C₆H₂N₂S
• 分子量: 134.158
• 闪点: 158.8±23.7 °C
• 精确质量: 133.993866
• PSA: 75.82000
• LogP: 0.35
• 蒸汽压: 0.0±0.7 mmHg at 25°C
• 折射率: 1.596
• 储存条件: 室温，干燥

MSDS

Name: 3 4-Dicyanothiophene Material Safety Data Sheet Synonym: None Known CAS: 18853-32-2 Section 1 - Chemical Product MSDS Name:3 4-Dicyanothiophene Material Safety Data Sheet Synonym:None Known Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 18853-32-2 3,4-Dicyanothiophene ca. 100 unlisted Hazard Symbols: XN Risk Phrases: 20/21/22 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation, in contact with skin and if swallowed.The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. Harmful if absorbed through the skin. Ingestion: Harmful if swallowed. May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. Inhalation: Harmful if inhaled. May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Chronic: No information found. Section 4 - FIRST AID MEASURES Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid. Skin: In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse. Ingestion: If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid. 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. 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: Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. Section 7 - HANDLING and STORAGE Handling: Wash thoroughly after handling. Use with adequate ventilation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Avoid contact with skin and eyes. Keep container tightly closed. Avoid ingestion and inhalation. Storage: Store in a cool, dry place. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. 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# 18853-32-2: 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: A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use. 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: Not available. Color: Not available. 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: C6H2N2S Molecular Weight: 134.16 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Excess heat. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 18853-32-2 unlisted. LD50/LC50: Not available. Carcinogenicity: 3,4-Dicyanothiophene - 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: XN Risk Phrases: R 20/21/22 Harmful by inhalation, in contact with skin and if swallowed. Safety Phrases: S 36/39 Wear suitable protective clothing and eye/face protection. WGK (Water Danger/Protection) CAS# 18853-32-2: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 18853-32-2 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 18853-32-2 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 海关编码: 2934999090

合成路线

3141-26-2 544-92-3 ~81% 18853-32-2

文献：Crayston, Joe A.; Iraqi, Ahmed; Mallon, Philip; Walton, John C. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1993 , # 9 p. 1589 - 1596

3141-26-2 ~% 18853-32-2

文献：US2003/45540 A1, ;

3141-26-2 557-21-1 ~% 18895-10-8 18853-32-2

文献：Synthesis, , # 1 p. 23 - 25

海关

海关编码	2934999090
中文概述	2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%