69288-33-1

• 常用中文名：2,4-二十一二炔酸
• 常用英文名：2,4-Henicosadiynoic acid
• CAS号：69288-33-1
• 分子式：C₂₁H₃₄O₂
• 分子量：318.493
• 发布时间：2018-05-12 08:00:00
• 更新时间：2024-01-30 13:31:11
• 电子材料

名称

• 中文名: 2,4-二十一二炔酸
• 英文名: 2,4-Heneicosadiynoic Acid
• 英文别名: 2,4-Heneicosadiynoic acid; Henicosa-2,4-diynoic acid; 2,4-Henicosadiynoic acid

物化性质

• 密度: 0.9±0.1 g/cm3
• 沸点: 444.8±28.0 °C at 760 mmHg
• 熔点: 75ºC
• 分子式: C₂₁H₃₄O₂
• 分子量: 318.493
• 闪点: 237.0±20.5 °C
• 精确质量: 318.255890
• PSA: 37.30000
• LogP: 10.36
• 外观性状: 白色-蓝灰色晶体-粉末
• 蒸汽压: 0.0±2.3 mmHg at 25°C
• 折射率: 1.488
• 储存条件: -20°C
• 分子结构:

  1、 摩尔折射率：96.91

  2、 摩尔体积（m³/mol）：336.4

  3、 等张比容（90.2K）：845.7

  4、 表面张力（dyne/cm）：39.9

  5、 极化率（10^-24cm³）：38.41

• 计算化学:

  1.疏水参数计算参考值（XlogP）:9.2

  2.氢键供体数量:1

  3.氢键受体数量:2

  4.可旋转化学键数量:15

  5.互变异构体数量:无

  6.拓扑分子极性表面积37.3

  7.重原子数量:23

  8.表面电荷:0

  9.复杂度:410

  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：。

  2. 密度（g/mL,25/4℃）：

  3. 相对蒸汽密度（g/mL,空气=1）：未确定

  4. 熔点（ºC）：

  5. 沸点（ºC,常压）：

  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：。

MSDS

2,4-Heneicosadiynoic Acid SAFETY DATA SHEET Section1. IDENTIFICATION Product name:2,4-Heneicosadiynoic Acid Section2. HAZARDS IDENTIFICATION GHS classification PHYSICAL HAZARDSNot classified HEALTH HAZARDS Skin corrosion/irritationCategory 2 Category 2A Serious eye damage/eye irritation ENVIRONMENTAL HAZARDSNot classified GHS label elements, including precautionary statements Pictograms or hazard symbols Signal wordWarning Hazard statementsCauses skin irritation Causes serious eye irritation Precautionary statements: Wash hands thoroughly after handling. [Prevention] Wear protective gloves/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, [Response] if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. IF ON SKIN: Gently wash with plenty of soap and water. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Section3. COMPOSITION/INFORMATION ON INGREDIENTS Substance/mixture:Substance Components:2,4-Heneicosadiynoic Acid Percent:>95.0%(T) CAS Number:69288-33-1 Chemical Formula:C21H34O2 Section4. FIRST AID MEASURES Inhalation:Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get medical advice/attention if you feel unwell. 2,4-Heneicosadiynoic Acid Section4. FIRST AID MEASURES Skin contact:Remove/Take off immediately all contaminated clothing. Gently wash with plenty of soap and water. If skin irritation or rash occurs: Get medical advice/attention. Eye contact:Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Ingestion:Get medical advice/attention if you feel unwell. Rinse mouth. A rescuer should wear personal protective equipment, such as rubber gloves and air- Protection of first-aiders: tight goggles. Section5. FIRE-FIGHTING MEASURES Suitable extinguishingDry chemical, foam, water spray, carbon dioxide. media: Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place. In case of fire in the surroundings: Remove movable containers if safe to do so. Special protectiveWhen extinguishing fire, be sure to wear personal protective equipment. equipment for firefighters: Section6. ACCIDENTAL RELEASE MEASURES Personal precautions,Use personal protective equipment. Keep people away from and upwind of spill/leak. protective equipment and Entry to non-involved personnel should be controlled around the leakage area by emergency procedures: roping off, etc. Environmental precautions: Prevent product from entering drains. Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it. containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with up: appropriate laws and regulations. Section7. HANDLING AND STORAGE Precautions for safe handling Technical measures:Handling is performed in a well ventilated place. Wear suitable protective equipment. Prevent dispersion of dust. Wash hands and face thoroughly after handling. Use a local exhaust if dust or aerosol will be generated. Advice on safe handling: Avoid contact with skin, eyes and clothing. Conditions for safe storage, including any incompatibilities Storage conditions:Keep container tightly closed. Store in a freezer. Store under inert gas. Store away from incompatible materials such as oxidizing agents. Heat-sensitive, Light-sensitive, Air-sensitive Packaging material:Comply with laws. Section8. EXPOSURE CONTROLS / PERSONAL PROTECTION Engineering controls:Install a closed system or local exhaust as possible so that workers should not be exposed directly. Also install safety shower and eye bath. Personal protective equipment Respiratory protection: Dust respirator. Follow local and national regulations. Hand protection:Protective gloves. Safety glasses. A face-shield, if the situation requires. Eye protection: Skin and body protection: Protective clothing. Protective boots, if the situation requires. Section9. PHYSICAL AND CHEMICAL PROPERTIES Physical state (20°C):Solid Crystal- Powder Form: Colour:White - Bluish gray No data available Odour: 2,4-Heneicosadiynoic Acid Section9. PHYSICAL AND CHEMICAL PROPERTIES pH: No data available Melting point/freezing point:75°C Boiling point/range:No data available Flash point:No data available Flammability or explosive limits: Lower:No data available Upper:No data available Relative density:No data available Solubility(ies): [Water]No data available [Other solvents]No data available Section10. STABILITY AND REACTIVITY Chemical stability:Stable under proper conditions. Possibility of hazardous No special reactivity has been reported. reactions: Incompatible materials: Oxidizing agents Hazardous decomposition Carbon monoxide, Carbon dioxide products: Section11. TOXICOLOGICAL INFORMATION Acute Toxicity:No data available Skin corrosion/irritation: No data available Serious eyeNo data available damage/irritation: Germ cell mutagenicity: No data available Carcinogenicity: No data available IARC = NTP =No data available Reproductive toxicity:No data available Section12. ECOLOGICAL INFORMATION Ecotoxicity: Fish:No data available Crustacea:No data available Algae:No data available Persistence / degradability: No data available BioaccumulativeNo data available potential(BCF): Mobility in soil Log Pow:No data available Soil adsorption (Koc):No data available Henry's LawNo data available constant(PaM3/mol): Section13. DISPOSAL CONSIDERATIONS Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance. Section14. TRANSPORT INFORMATION Hazards Class:Does not correspond to the classification standard of the United Nations UN-No:Not listed 2,4-Heneicosadiynoic Acid Section15. REGULATORY INFORMATION Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002 and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were prescribed. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xn
• 海关编码: 2916190090

海关

海关编码	2916190090
中文概述	2916190090 其他不饱和无环一元羧酸（包括其酸酐、酰卤化物，过氧化物和过氧酸以及它们的衍生物）。监管条件:AB(入境货物通关单,出境货物通关单)。增值税率:17.0%。退税率:9.0%。最惠国关税:6.5%。普通关税:30.0%
申报要素	品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装
监管条件	A.入境货物通关单 B.出境货物通关单
检验检疫	R.进口食品卫生监督检验 S.出口食品卫生监督检验 M.进口商品检验 N.出口商品检验
Summary	2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%