20440-95-3

• 常用中文名：4,4'-二甲基三苯胺
• 常用英文名：4,4'-Dimethyltriphenylamine
• CAS号：20440-95-3
• 分子式：C₂₀H₁₉N
• 分子量：273.372
• 发布时间：2018-06-23 20:16:41
• 更新时间：2024-01-02 10:48:30

名称

• 中文名: 4,4'-二甲基三苯胺
• 英文名: 4-methyl-N-(4-methylphenyl)-N-phenylaniline
• 中文别名: N,N-二(4-甲基苯基)苯胺; 4,4’-二甲基三苯胺
• 英文别名: Bis(4-Methylphenyl)Phenylamine; Benzenamine, 4-methyl-N-(4-methylphenyl)-N-phenyl-; 4,4'-Dimethyltriphenylamine; Phenyl(di-p-tolyl)amine; N,N-Di-p-tolylaniline; 4,4'-Dimethyl Triphenylamine; 4,4'-Dimethyltriphenylamine (DMTPA); EINECS 243-822-7; 4,4′-Dimethyltriphenylamine; MFCD00145004; 4,4’-Dimethyltriphenylamine; 4-Methyl-N-(4-methylphenyl)-N-phenylaniline; 4-methyl-N-phenyl-N-(p-tolyl)aniline

物化性质

• 密度: 1.1±0.1 g/cm3
• 沸点: 417.5±34.0 °C at 760 mmHg
• 熔点: 112°C
• 分子式: C₂₀H₁₉N
• 分子量: 273.372
• 闪点: 183.5±22.5 °C
• 精确质量: 273.151764
• PSA: 3.24000
• LogP: 6.66
• 外观性状: 白色粉末
• 蒸汽压: 0.0±1.0 mmHg at 25°C
• 折射率: 1.627
• 储存条件:

  储存在阴凉，干燥的地方

• 稳定性:

  常温常压下稳定，避免接触强氧化剂

• 分子结构:

  1、 摩尔折射率：89.74

  2、 摩尔体积(m³/mol)：253.1

  3、 等张比容(90.2K)：653.4

  4、 表面张力(dyne/cm)：44.4

  5、 极化率(10-24cm³)：35.57

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:0

  3.氢键受体数量:1

  4.可旋转化学键数量:3

  5.互变异构体数量:无

  6.拓扑分子极性表面积3.2

  7.重原子数量:21

  8.表面电荷:0

  9.复杂度:269

  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）：112

  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

MSDS

Name: N-Phenyl Di-P-Tolylamine 97% (GC) Material Safety Data Sheet Synonym: CAS: 20440-95-3 Section 1 - Chemical Product MSDS Name:N-Phenyl Di-P-Tolylamine 97% (GC) Material Safety Data Sheet Synonym: Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS CAS# Chemical Name content EINECS# 20440-95-3 N-Phenyl Di-P-Tolylamine 97 243-822-7 Hazard Symbols: None Listed. Risk Phrases: None Listed. Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW The toxicological properties of this material have not been fully investigated. Potential Health Effects Eye: May cause eye irritation. The toxicological properties of this material have not been fully investigated. Skin: May cause skin irritation. The toxicological properties of this material have not been fully investigated. Ingestion: May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated. Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. 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 immediately. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Ingestion: If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. 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. Dusts at sufficient concentrations can form explosive mixtures with air. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing Media: Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: 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. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Storage: Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 20440-95-3: 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: 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: Powder Color: white Odor: Not available. pH: Not available. Vapor Pressure: Negligible. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 112 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: Negligible. Specific Gravity/Density: Molecular Formula: C20H19N Molecular Weight: 273.38 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials, strong oxidants. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. Hazardous Polymerization: Will not occur. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 20440-95-3 unlisted. LD50/LC50: Not available. Carcinogenicity: N-Phenyl Di-P-Tolylamine - 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 Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: Not available. Risk Phrases: Safety Phrases: S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 20440-95-3: No information available. Canada CAS# 20440-95-3 is listed on Canada's NDSL List. CAS# 20440-95-3 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 20440-95-3 is listed on the TSCA inventory. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): T+
• 风险声明 (欧洲): R36/37/38:Irritating to eyes, respiratory system and skin .
• 安全声明 (欧洲): S26-S36
• 海关编码: 2921440000

合成路线

上下游产品

上游产品  9
591-50-4 620-93-9 624-31-7 66-71-7
106-38-7 4147-89-1 108-86-1 108-90-7
620-84-8
下游产品  3
42906-19-4 58047-42-0 76185-65-4

海关

海关编码	2921440000
中文概述	2921440000. 二苯胺及其衍生物以及它们的盐. 增值税率:17.0%. 退税率:17.0%. 监管条件:无. 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
Summary	2921440000. diphenylamine and its derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0%