1539-20-4

• 常用中文名：2,3-二甲基苯基异硫氰酸酯
• 常用英文名：2,3-Dimethylphenylisothiocyanate
• CAS号：1539-20-4
• 分子式：C₉H₉NS
• 分子量：163.23900
• 发布时间：2018-02-21 08:00:00
• 更新时间：2024-01-08 23:50:40

名称

• 中文名: 2,3-二甲基苯基异硫氰酸酯
• 英文名: 2,3-Dimethylphenyl isothiocyanate
• 中文别名: 2,3-二甲基异硫氰酸苯酯
• 英文别名: 1-isothiocyanato-2,3-dimethylbenzene; MFCD00041064

物化性质

• 密度: 1.01 g/cm3
• 沸点: 128 °C
• 分子式: C₉H₉NS
• 分子量: 163.23900
• 闪点: 125.8ºC
• 精确质量: 163.04600
• PSA: 44.45000
• LogP: 3.03770
• 蒸汽压: 0.00655mmHg at 25°C
• 折射率: 1.554
• 储存条件:

  保持贮藏器密封、储存在阴凉、干燥的地方，确保工作间有良好的通风或排气装置

• 稳定性:

  如果遵照规格使用和储存则不会分解，未有已知危险反应，避免氧化物

• 分子结构:

  1、 摩尔折射率：51.48

  2、 摩尔体积（m³/mol）：160.4

  3、 等张比容（90.2K）：380.5

  4、 表面张力（dyne/cm）: 31.6

  5、 介电常数：无可用

  6、 偶极距（10 ^-24cm ³）：无可用

  7、 极化率：20.40

• 计算化学:

  1.疏水参数计算参考值（XlogP）:4.1

  2.氢键供体数量:0

  3.氢键受体数量:2

  4.可旋转化学键数量:1

  5.互变异构体数量:无

  6.拓扑分子极性表面积44.4

  7.重原子数量:11

  8.表面电荷:0

  9.复杂度:172

  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）：未确定

  5. 沸点（ºC,常压）：128

  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

MSDS

Name: 2 3-Dimethylphenyl isothiocyanate 97% Material Safety Data Sheet Synonym: CAS: 1539-20-4 Section 1 - Chemical Product MSDS Name:2 3-Dimethylphenyl isothiocyanate 97% Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 1539-20-4 2,3-Dimethylphenyl isothiocyanate 97% unlisted Hazard Symbols: XN Risk Phrases: 20/21/22 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system and skin.Moisture sensitive. Potential Health Effects Eye: Causes eye irritation. Lachrymator (substance which increases the flow of tears). Skin: Causes skin irritation. Harmful if absorbed through the skin. Ingestion: Harmful if swallowed. May cause irritation of the digestive tract. Inhalation: Harmful if inhaled. Causes 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 foam, dry chemical, or carbon dioxide. 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. Use only in a chemical fume hood. Storage: Store in a cool, dry place. Store in a tightly closed container. Store under nitrogen. 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# 1539-20-4: 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: colorless 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: C9H9NS Molecular Weight: 163 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Not available. Conditions to Avoid: Incompatible materials, exposure to moist air or water. Incompatibilities with Other Materials: Strong oxidizing agents, alcohols, amines. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, acrid smoke and fumes. Hazardous Polymerization: Has not been reported Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 1539-20-4 unlisted. LD50/LC50: Not available. Carcinogenicity: 2,3-Dimethylphenyl isothiocyanate - 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. 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 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 1539-20-4: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 1539-20-4 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 1539-20-4 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 对是水稍微有危害的不要让未稀释或大量的产品接触地下水、水道或者污水系统，若无政府许可，勿将材料排入周围环境。

安全

• 危害码 (欧洲): Xi: Irritant;C: Corrosive;
• 风险声明 (欧洲): 36
• 安全声明 (欧洲): 26
• 海关编码: 2930909090

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海关

海关编码	2930909090
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申报要素	品名, 成分含量, 用途
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