25912-91-8

• 常用中文名：2-十二烷基对甲酚
• 常用英文名：4-Dodecyl-o-cresol
• CAS号：25912-91-8
• 分子式：C₁₉H₃₂O
• 分子量：276.457
• 发布时间：2018-04-23 08:00:00
• 更新时间：2024-01-11 17:31:43
• Solubility in Methanol：almost transparency

名称

• 中文名: 4-正十二烷基对甲酚
• 英文名: 2-dodecyl-4-methylphenol
• 中文别名: 2-正十二烷基-4-甲基苯酚; 2-十二烷基对甲酚
• 英文别名: 2-Dodecyl-p-cresol; 4-Dodecyl-2-methylphenol; 4-Dodecyl-o-cresol; 4-N-DODECYL-O-CRESOL; 2-Dodecyl-4-methylphenol; Phenol, 2-dodecyl-4-methyl-; Phenol, 4-dodecyl-2-methyl-; 2-Lauryl-p-cresol

物化性质

• 密度: 0.9±0.1 g/cm3
• 沸点: 383.3±11.0 °C at 760 mmHg
• 熔点: 47ºC
• 分子式: C₁₉H₃₂O
• 分子量: 276.457
• 闪点: 180.9±7.8 °C
• 精确质量: 276.245331
• PSA: 20.23000
• LogP: 8.25
• 蒸汽压: 0.0±0.9 mmHg at 25°C
• 折射率: 1.500
• 储存条件: 室温
• 分子结构:

  1、 摩尔折射率：88.83

  2、 摩尔体积（m³/mol）：302.0

  3、 等张比容（90.2K）：734.3

  4、 表面张力（dyne/cm）：34.9

  5、 极化率（10 ^-24cm ³）：35.21

• 计算化学:

  1.疏水参数计算参考值（XlogP）:8.1

  2.氢键供体数量:1

  3.氢键受体数量:1

  4.可旋转化学键数量:11

  5.互变异构体数量:3

  6.拓扑分子极性表面积20.2

  7.重原子数量:20

  8.表面电荷:0

  9.复杂度:214

  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）：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,20ºC）：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 2-n-Dodecyl-p-cresol Portland OR Synonym 2-Lauryl-p-cresol Chemical Formula C 19 H 32 O CAS Number 29665-59-6 (International) Section II.Composition and Information on Ingredients Chemical NameCAS Number Percent (%)TLV/PELToxicology Data 2-n-Dodecyl-p-cresol------Not available.Not available. 29665-59-6 Section III.Hazards Identification Acute Health Effects N o specific inform ation is available in our data base regarding the toxic effects of this m aterial for hum ans. H ow ever, exposure to any chem ical should be kept to a m inim u m . Skin and eye contact m ay result in irritation. M ay be harm ful if inhaled or ingested. A lw ays follow safe industrial hygiene practices and w ear proper protective equipm ent w hen handling this compound. Chronic Health Effects CARCINOGENIC EFFECTS : Not available. MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. Toxicity to the reproductive system: Not available. There is no know n effect from chronic exposure to this product.Repeated or prolonged exposure to this com pound is not known to aggravate existing medical conditions. Section IV.First Aid Measures Eye Contact C heck for and rem ove any contact lenses. D O N O T use an eye ointm ent. Flush eyes w ith running w ater for a m inim um of 15 m inutes, occasionally lifting the upper and low er eyelids. Seek m edical attention. Treat sym ptom atically and supportively. Skin Contact If the chem ical gets spilled on a clothed portion of the body, rem ove the contam inated clothes as quickly as possible, protectin g you r ow n h an ds an d body. Place th e victim u n der a delu g e sh ow er. If th e ch em ical tou ch es th e victim 's exposed skin, such as the hands: G ently and thoroughly w ash the contam inated skin w ith running w ater and non-abrasive soap. Be particularly careful to clean folds, crevices, creases and groin. C over the irritated skin w ith an em ollient. Seek m edical attention. Treat sym ptom atically and supportively. W ash any contam inated clothing before reusing. Inhalation If the victim is not breathing, perform artificial respiration. Loosen tight clothing such as a collar, tie, belt or w aistband. If breathing is difficult, oxygen can be administered. Seek medical attention. Treat symptomatically and supportively. Ingestion Rem ove dentures if any. H ave conscious person drin k several glasses of w ater or m ilk. IN D U C E V O M ITIN G by sticking finger in throat. Low er the head so that the vom it w ill not reenter the m outh and throat. N EV ER give an unconscious person anything to ingest. Seek medical attention. Treat symptomatically and supportively. Section V.Fire and Explosion Data FlammabilityAuto-IgnitionNot available. Combustible. Flash PointsFlammable Limits Not available.Not available. Combustion Products These products are toxic carbon oxides (CO, CO2 ). Fire Hazards No specific information is available regarding the flammability of this compound in the presence of various materials. Explosion Hazards Risks 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, CO2, water spray or foam. and Instructions LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet. Continued on Next Page D23pp2-n-Dodecyl-p-cresol Section VI.Accidental Release Measures Spill Cleanup In case of a spill and/or a leak, alw ays shut off any sources of ignition, ventilate the area, and exercise caution. U se a Instructionsshovel to put the m aterial into a convenient w aste disposal container. Finish cleaning the spill by rinsing any contaminated surfaces with copious amounts of water. Section VII.Handling and Storage Handling and Storage K eep aw ay from heat and sources of ignition. M echanical exhaust required. W hen not in use, tightly seal the container and store in a dry, cool place. A void excessive h eat and light. D O N O T breathe dust. In case of in sufficient ventilation, Information w ear suitable respiratory equipm ent. If you feel u nw ell, seek m edical attention and show the label w h en possible. Treat symptomatically and supportively. Avoid contact with skin and eyes. Always store away from incompatible compounds such as oxidizing agents. Section VIII.Exposure Controls/Personal Protection Engineering Controls U se process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recom m ended exposure lim its. If user operations generate dust, fum e or m ist, use ventilation to keep exposure to airborne contaminants below the exposure limit. Personal Protection Splash goggles. Lab coat.D ust respirator. Boots. G loves. A M SH A /N IO SH approved respirator m ust be used to avoid inhalation of the product.Suggested protective clothing m ight not be sufficient; consult a specialist BEFO RE handling this product. Exposure Limits Not available. Section IX.Physical and Chemical Properties Physical state @ 20°CSolubility Solid. (Crystalline powder.) Not available. Specific Gravity Not available. Molecular WeightPartition Coefficient 276.46Not available. Boiling PointVapor Pressure 198°C (388.4°F)Not available. Melting PointVapor Density 46°C (114.8°F)Not available. Refractive IndexVolatility Not available.Not available. Critical TemperatureOdor Not available.Not available. ViscosityTaste Not available.Not available. Section X.Stability and Reactivity Data Stability This material is stable if stored under proper conditions. (See Section VII for instructions) Conditions of Instability Avoid excessive heat and light. Incompatibilities Highly reactive with oxidizing agents. Section XI.Toxicological Information RTECS Number Not available. Routes of ExposureIngestion. Inhalation. Toxicity Data Not available. Chronic Toxic EffectsCARCINOGENIC EFFECTS : Not available. MUTAGENIC EFFECTS : Not available. TERATOGENIC EFFECTS : Not available. Toxicity to the reproductive system: Not available. There is no know n effect from chronic exposure to this product.Repeated or prolonged exposure to this com pound is not known to aggravate existing medical conditions. Acute Toxic Effects N o specific inform ation is available in our data base regarding the toxic effects of this m aterial for hum ans. H ow ever, exposure to any chem ical should be kept to a m inim u m . Skin and eye contact m ay result in irritation. M ay be harm ful if inhaled or ingested. A lw ays follow safe industrial hygiene practices and w ear proper protective equipm ent w hen handling this compound. Continued on Next Page 2-n-Dodecyl-p-cresol Section XII.Ecological Information Ecotoxicity Not available. Environmental Fate Not available. Section XIII.Disposal Considerations Waste DisposalRecycle to process, if possible. C onsult your local or regional authorities. You m ay be able to dissolve or m ix m aterial w ith a com bustible solvent and burn in a chem ical incinerator equipped w ith an afterburner and scrubber system . Observe all federal, state, and local regulations when disposing of this substance. Section XIV.Transport Information DOT Classification Not a DOT controlled material (United States). PIN Number NONE Proper Shipping Name NONE Packing Group (PG) NONE DOT Pictograms Section XV.Other Regulatory Information and Pictograms TSCA Chemical Inventory T h is p r o d u c t is NOT o n t h e E P A T o x ic S u b s t a n c e s C o n t r o l A c t (T S C A ) in v e n t o r y . T h e f o llo w in g n o t ic e s a r e r e q u ir e d b y 4 0 (EPA)CFR 720.36 (C) for those products not on the inventory list: (i) These products are supplied solely for use in research and developm ent 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 determ ined. A ny inform ation that is or becom es available w ill be supplied on an MSDS sheet. WHMIS Classification Not controlled under WHMIS (Canada). (Canada) EINECS Number (EEC) Not available. EEC Risk Statements Not controlled under DSCL (Europe). Japanese Regulatory Data Not available. Section XVI. Version 1.0 Validated on 3/4/1997. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 海关编码: 2907199090

海关

海关编码	2907199090
中文概述	2907199090 其他一元酚. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%