54628-21-6

• 常用中文名：2,2'-二甲基-4,4'-二氨基联苄
• 常用英文名：4,4'-diamino-2,2'-dimethylbibenzyl
• CAS号：54628-21-6
• 分子式：C₁₆H₂₀N₂
• 分子量：240.34300
• 发布时间：2019-02-16 12:36:56
• 更新时间：2024-01-11 20:36:41

名称

• 中文名: 2,2-二甲基-4,4-二氨基联苄
• 英文名: 4,4'-diamino-2,2'-dimethylbibenzyl
• 中文别名: 2,2'-二甲基-4,4'-二氨基联苄
• 英文别名: 4,4-diamino-2,2-dimethylbibenzyl

物化性质

• 熔点: 168.0-173.0°C
• 分子式: C₁₆H₂₀N₂
• 分子量: 240.34300
• 精确质量: 240.16300
• PSA: 52.04000
• LogP: 4.41540
• 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

• 计算化学:

  1.疏水参数计算参考值（XlogP）:3.5

  2.氢键供体数量:2

  3.氢键受体数量:2

  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52

  7.重原子数量:18

  8.表面电荷:0

  9.复杂度:228

  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,25ºC）：未确定

  3. 相对蒸汽密度（g/mL,空气=1）： 未确定

  4. 熔点（ºC）：170

  5. 沸点（ºC）：未确定

  6. 沸点（ºC，25mm hg）：未确定

  7. 折射率：未确定

  8. 闪点（°C）：未确定

  9. 比旋光度（ºC）：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

Section I.Chemical Product and Company Identification Chemical Name 4,4'-Diamino-2,2'-dimethylbibenzyl Portland OR Synonym4,4'-Ethylenedi-m-toluidine Chemical Formula[-CH2C6H3(NH2)CH3]2 CAS Number22856-62-8 Section II.Composition and Information on Ingredients Chemical NameCAS Number Percent (%)TLV/PELToxicology Data 4,4'-Diamino-2,2'-dimethylbibenzyl22856-62-8 Min. 95.0 (T) Not available.Not available. Section III. Hazards Identification Acute Health EffectsHarmful if ingested or inhaled. Minimize exposure to this material. Severe overexposure can result in injury or death. Irritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the eye is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening, or, occasionally, blistering. Follow safe industrial hygiene practices and always wear proper protective equipment when handling this compound. Chronic Health EffectsCARCINOGENIC EFFECTS : Not available. MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. DEVELOPMENTAL TOXICITY: Not available. There is no known effect from chronic exposure to this product. Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions. Section IV.First Aid Measures Eye Contact Check for and remove any contact lenses. DO NOT use an eye ointment. Flush eyes with running water for a minimum of 15 minutes, occasionally lifting the upper and lower eyelids. Seek medical attention. Treat symptomatically and supportively. Skin Contact After contact with skin, wash immediately with plenty of water. Gently and thoroughly wash the contaminated skin with running water and non-abrasive soap. Be particularly careful to clean folds, crevices, creases and groin. Cover the irritated skin with an emollient. Seek medical attention. Treat symptomatically and supportively. Wash any contaminated clothing before reusing. If the victim is not breathing, perform artificial respiration. Loosen tight clothing such as a collar, tie, belt or waistband. If Inhalation breathing is difficult, oxygen can be administered. Seek medical attention. Treat symptomatically and supportively. IngestionINDUCE VOMITING by sticking finger in throat. Lower the head so that the vomit will not reenter the mouth and throat. Loosen tight clothing such as a collar, tie, belt, or waistband. If the victim is not breathing, administer artificial respiration. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible indication that the toxic material was ingested; the absence of such signs, however, is not conclusive. Seek immediate medical attention and, if possible, show the chemical label. Treat symptomatically and supportively. Section V. Fire and Explosion Data Not available. FlammabilityCombustible.Auto-Ignition Flash PointsFlammable LimitsNot available. Not available. Combustion Products These products are toxic carbon oxides (CO, CO 2), nitrogen oxides (NO, NO2). Fire Hazards No specific information is available regarding the flammability of this compound in the presence of various materials. Explosion HazardsRisks of explosion of the product in presence of mechanical impact: Not available. Risks of explosion of the product in presence of static discharge: Not available. No additional information is available regarding the risks of explosion. Fire Fighting Media SMALL FIRE: Use DRY chemicals, CO 2, water spray or foam. and InstructionsLARGE FIRE: Use water spray, fog or foam. DO NOT use water jet. Continued on Next Page 4,4'-Diamino-2,2'-dimethylbibenzyl Section VI.Accidental Release Measures Spill CleanupHarmful material. Irritating material. InstructionsIn case of a spill and/or a leak, always shut off any sources of ignition, ventilate the area, and exercise caution. Use a shovel to put the material into a convenient waste disposal container. Finish cleaning the spill by rinsing any contaminated surfaces with copious amounts of water. Consult federal, state, and/or local authorities for assistance on disposal. Section VII. Handling and Storage HARMFUL. IRRITANT. Keep away from heat and sources of ignition. Mechanical exhaust required. When not in use, Handling and Storage tightly seal the container and store in a dry, cool place. Avoid excessive heat and light. DO NOT ingest. DO NOT Information breathe dust. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the container or the label. Treat symptomatically and supportively. Avoid contact with skin and eyes. Always store away from incompatible compounds such as oxidizing agents, acids. Section VIII. Exposure Controls/Personal Protection Engineering ControlsUse process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit. Personal ProtectionSplash goggles. Lab coat. Dust respirator. Boots. Gloves. A MSHA/NIOSH approved respirator must be used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product. Exposure Limits Not available. Section IX. Physical and Chemical Properties Physical state @ 20°CSolid.Solubility Not available. Not available. Specific Gravity Molecular WeightPartition Coefficient 240.35Not available. Boiling PointVapor Pressure Not available.Not available. Melting Point170 to 173°C (338 to 343.4°F)Vapor DensityNot available. Refractive IndexNot available.VolatilityNot available. Critical TemperatureNot available.OdorNot available. ViscosityNot available.TasteNot available. Section X.Stability and Reactivity Data Stability This material is stable if stored under proper conditions. (See Section VII for instructions) Conditions of InstabilityAvoid excessive heat and light. Incompatibilities Reactive with oxidizing agents, acids, chloroformates, acid chlorides, and acid anhydrides. Section XI. Toxicological Information RTECS NumberNot available. Routes of ExposureEye contact. Inhalation. Ingestion. Skin contact. Toxicity DataNot available. CARCINOGENIC EFFECTS : Not available. Chronic Toxic Effects MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. DEVELOPMENTAL TOXICITY: Not available. There is no known effect from chronic exposure to this product. Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions. Acute Toxic EffectsHarmful if ingested or inhaled. Minimize exposure to this material. Severe overexposure can result in injury or death. Irritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the eye is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening, or, occasionally, blistering. Follow safe industrial hygiene practices and always wear proper protective equipment when handling this compound. Continued on Next Page 4,4'-Diamino-2,2'-dimethylbibenzyl Section XII.Ecological Information EcotoxicityNot available. Environmental FateNot available. Section XIII. Disposal Considerations Recycle to process, if possible. Consult your local or regional authorities. You may be able to dissolve or mix material with Waste Disposal 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 this substance. Section XIV. Transport Information DOT ClassificationNot a DOT controlled material (United States). PIN NumberNot applicable. Proper Shipping Name Not applicable. Packing Group (PG)Not applicable. DOT Pictograms Section XV. Other Regulatory Information and Pictograms TSCA Chemical InventoryThis product is NOT on the EPA Toxic Substances Control Act (TSCA) inventory. The following notices are required by 40 CFR 720.36 (C) for those products not on the inventory list: (EPA) (i) These products are supplied solely for use in research and development by or under the supervision of a technically qualified individual as defined in 40 CFR 720.0 et sec. (ii) The health risks of these products have not been fully determined. Any information that is or becomes available will be supplied on an MSDS sheet. WHMIS ClassificationWHMIS CLASS D-2A: Material causing other toxic effects (VERY TOXIC). (Canada) EINECS Number (EEC) 245-268-1 EEC Risk StatementsR36/37/38- Irritating to eyes, respiratory system and skin. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

生态学数据: 对水是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

• 海关编码: 2921590090

海关

海关编码	2921590090
中文概述	2921590090. 其他芳香多胺及衍生物及它们的盐. 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:30.0%
申报要素	品名, 成分含量, 用途
Summary	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%