19786-56-2
19786-56-2结构式
- 常用中文名：4-肼基-5-甲基噻吩基嘧啶
- 常用英文名：4-hydrazino-5-methylthieno[2,3-d]pyrimidine
- CAS号：19786-56-2
- 分子式：C7H8N4S
- 分子量：180.23000
- 相关类别： 医药中间体 杂环化合物 嘧啶类化合物 噻吩嘧啶
- 发布时间：2018-06-23 16:04:38
- 更新时间：2024-01-02 19:48:41
| 中文名 | 4-肼基-5-甲基噻吩基嘧啶 |
|---|---|
| 英文名 | (5-methylthieno[2,3-d]pyrimidin-4-yl)hydrazine |
| 中文别名 | 4-肼基-5-甲基噻吩[2,3-d]嘧啶 |
| 英文别名 |
5-Methyl-4-hydrazino-thieno<2,3-d>pyrimidin
4-hydrazino-5-methyl-thieno[2,3-d]pyrimidine 4-Hydrazinyl-5-Methyl-Thieno[2,3-d]Pyrimidine |
| 密度 | 1.472g/cm3 |
|---|---|
| 沸点 | 412ºC at 760mmHg |
| 熔点 | 182ºC |
| 分子式 | C7H8N4S |
| 分子量 | 180.23000 |
| 闪点 | 203ºC |
| 精确质量 | 180.04700 |
| PSA | 92.07000 |
| LogP | 2.05860 |
| 蒸汽压 | 5.34E-07mmHg at 25°C |
| 折射率 | 1.793 |
| 分子结构 | 五、分子性质数据： 1、 摩尔折射率：51.99 2、 摩尔体积(m3/mol)：122.3 3、 等张比容(90.2K)：368.3 4、 表面张力(dyne/cm)：82.0 5、 极化率(10-24cm3)：20.61 |
| 计算化学 | 1.疏水参数计算参考值（XlogP）:1.5 2.氢键供体数量:2 3.氢键受体数量:5 4.可旋转化学键数量:1 5.互变异构体数量:4 6.拓扑分子极性表面积92.1 7.重原子数量:12 8.表面电荷:0 9.复杂度:166 10.同位素原子数量:0 11.确定原子立构中心数量:0 12.不确定原子立构中心数量:0 13.确定化学键立构中心数量:0 14.不确定化学键立构中心数量:0 15.共价键单元数量:1 |
| 更多 | 1.性状：未确定 2.密度（g/mL,25/4℃）：未确定 3.相对蒸汽密度（g/mL,空气=1）：未确定 4.熔点（ºC ):182 5.沸点（ºC,常压）：未确定 6.沸点（ºC,5.2kPa）：未确定 7.折射率：未确定 8.闪点（ºC）：未确定 9.比旋光度（º）：未确定 10.自燃点或引燃温度（ºC）：未确定 11.蒸气压（kPa,25ºC）：未确定 12.饱和蒸气压（kPa,60ºC）：未确定 13.燃烧热（KJ/mol）：未确定 14.临界温度（ºC）：未确定 15.临界压力（KPa）：未确定 16.油水（辛醇/水）分配系数的对数值：未确定 17.爆炸上限（%,V/V）：未确定 18.爆炸下限（%,V/V）：未确定 19.溶解性：未确定 |
Synonym: 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# 19786-56-2: 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: slight pink Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 176 - 178 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Not available. Solubility in water: Specific Gravity/Density: Molecular Formula: C7H8N4S Molecular Weight: 180 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents, acid chlorides. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 19786-56-2 unlisted. LD50/LC50: Not available. Carcinogenicity: 4-Hydrazino-5-methylthieno[2,3-d]pyrimidine - 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: TOXIC SOLID, ORGANIC, N.O.S.* Hazard Class: 6.1 UN Number: 2811 Packing Group: III IMO Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 Packing Group: III RID/ADR Shipping Name: TOXIC SOLID, ORGANIC, N.O.S. Hazard Class: 6.1 UN Number: 2811 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# 19786-56-2: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 19786-56-2 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 19786-56-2 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
| 风险声明 (欧洲) | 36/37/38 |
|---|---|
| 安全声明 (欧洲) | 26-36/37/39 |
| 海关编码 | 2934999090 |
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19786-56-2 |
| 文献：Robba,M. et al. Comptes Rendus des Seances de l'Academie des Sciences, Serie C: Sciences Chimiques, 1968 , vol. 266, p. 1706 - 1708 |
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19786-56-2 |
| 文献：Robba,M. et al. Comptes Rendus des Seances de l'Academie des Sciences, Serie C: Sciences Chimiques, 1968 , vol. 266, p. 1706 - 1708 |
| 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% |