74246-64-3
74246-64-3结构式
- 常用中文名：1,3-噻唑啉-4-酮-2-乙腈
- 常用英文名：1,3-THIAZOLIN-4-ONE-2-ACETONITRILE
- CAS号：74246-64-3
- 分子式：C5H4N2OS
- 分子量：140.16300
- 发布时间：2018-12-28 11:23:33
- 更新时间：2024-01-02 18:04:10
| 中文名 | 1,3-噻唑啉-4-酮-2-乙腈 |
|---|---|
| 英文名 | 2-(4-oxo-1,3-thiazol-2-yl)acetonitrile |
| 英文别名 |
2-cyanomethyl-2-thiazolin-4-one
2-cyanomethylthiazolidin-4-one CL 842 |
| 密度 | 1.43g/cm3 |
|---|---|
| 沸点 | 300.6ºC at 760 mmHg |
| 熔点 | 183-185ºC |
| 分子式 | C5H4N2OS |
| 分子量 | 140.16300 |
| 闪点 | 135.6ºC |
| 精确质量 | 140.00400 |
| PSA | 78.52000 |
| LogP | 0.00758 |
| 折射率 | 1.675 |
Synonym:1,3-Thiazolin-4-one-2-acetonitril Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 20/21/22 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed. 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. Inhalation: Harmful if inhaled. May cause respiratory tract irritation. 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: 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# 74246-64-3: 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: brown Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 185 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: C5H4N2OS Molecular Weight: 140 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Bases, oxidizing agents, reducing agents, amines. Hazardous Decomposition Products: Hydrogen cyanide, nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 74246-64-3 unlisted. LD50/LC50: Not available. Carcinogenicity: 2-(4-Oxo-4,5-dihydro-1,3-thiazol-2-yl)acetonitrile - 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 Shipping Name: NITRILES, SOLID, TOXIC, N.O.S.* Hazard Class: 6.1 UN Number: 3276 Packing Group: III IMO Shipping Name: NITRILES, TOXIC, N.O.S. Hazard Class: 6.1 UN Number: 3276 Packing Group: III RID/ADR Shipping Name: NITRILES, TOXIC, N.O.S. Hazard Class: 6.1 UN Number: 3276 Packing group: III 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 36/37 Wear suitable protective clothing and gloves. WGK (Water Danger/Protection) CAS# 74246-64-3: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 74246-64-3 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 74246-64-3 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
| 危害码 (欧洲) | Xn:Harmful; |
|---|---|
| 风险声明 (欧洲) | 23/24/25 |
| 安全声明 (欧洲) | S36/37 |
| 危险品运输编码 | UN 3439 |
| 海关编码 | 2934100090 |
|
~88%
74246-64-3 |
| 文献：Shams, Hoda Z.; Khalifa, Fathy A.; Barsoum, Barsoum N.; Naoum, Magdi M. Bulletin de la Societe Chimique de France, 1989 , # 1 p. 119 - 122 |
| 海关编码 | 2934100090 |
|---|---|
| 中文概述 | 2934100090. 结构上含有一个非稠合噻唑环的化合物(不论是否氢化). 增值税率:17.0%. 退税率:9.0%. 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 | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |