26741-53-7

• 常用中文名：抗氧化剂 THP-24
• 常用英文名：2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-
• CAS号：26741-53-7
• 分子式：C₃₃H₅₀O₆P₂
• 分子量：604.694
• 发布时间：2018-09-07 07:15:31
• 更新时间：2024-01-02 08:23:30
• 【用途一】
  与酚类抗氧剂复配后广泛用于PE、PP、PS、聚酰胺、聚碳酸酯、ABS等高分子材料

名称

• 中文名: 抗氧化剂 THP-24
• 英文名: Antioxidant 24
• 中文别名: 双(2,4-二叔丁基苯酚)季戊四醇二亚磷酸酯; 抗氧剂AT-626; 3,9-二[2,4-二叔丁基-苯氧基]-2,4,8,10-四氧杂-3,9-二磷杂螺[5.5]-十一烷; 抗氧剂 RC 626; 抗氧剂JY-626; THP 双(2,4-二叔丁基苯基)季戊四醇二亚磷酸酯; 抗氧剂TH-24
• 英文别名: THP-24; EINECS 247-952-5; 3,9-Bis[2,4-bis(2-methyl-2-propanyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane; 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-; Alkanox-P-24; bis(2,4-Di-tert-butylphenyl)pentaerythritol diphosphite; 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane; ADK Stab PEP 24; Antioxidant AT-626; mark pep 24; Ultranox 626

物化性质

• 沸点: 555.8±50.0 °C at 760 mmHg
• 熔点: 160-178ºC
• 分子式: C₃₃H₅₀O₆P₂
• 分子量: 604.694
• 闪点: 363.9±30.4 °C
• 精确质量: 604.308289
• PSA: 82.56000
• LogP: 11.76
• 外观性状: 固体
• 蒸汽压: 0.0±1.4 mmHg at 25°C
• 储存条件: 室温，干燥，密封
• 计算化学:

  1.疏水参数计算参考值（XlogP）:9.9

  2.氢键供体数量:0

  3.氢键受体数量:6

  4.可旋转化学键数量:8

  5.互变异构体数量:无

  6.拓扑分子极性表面积:55.4

  7.重原子数量:41

  8.表面电荷:0

  9.复杂度:764

  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

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : TG7400000 CHEMICAL NAME : Phosphorous acid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl)ester CAS REGISTRY NUMBER : 26741-53-7 LAST UPDATED : 199710 DATA ITEMS CITED : 6 MOLECULAR FORMULA : C33-H50-O6-P2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 5580 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-1287-0706 TYPE OF TEST : LC50 - Lethal concentration, 50 percent kill ROUTE OF EXPOSURE : Inhalation SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >2 gm/m3 TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-1287-0706 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : >200 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-1287-0706 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - E0783 No. of Facilities: 66 (estimated) No. of Industries: 4 No. of Occupations: 8 No. of Employees: 3046 (estimated) No. of Female Employees: 2303 (estimated)

安全

• 危害码 (欧洲): Xi

合成路线

115-77-5 96-76-4 7719-12-2 ~% 26741-53-7

文献：Ciba-Geigy Corporation Patent: US4692540 A1, 1987 ;

115-77-5 96-76-4 ~22% 26741-53-7

文献：Rani, Manju; Shukla, Davender Kumar; Khan, Arif Ali Asian Journal of Chemistry, 2013 , vol. 25, # 8 p. 4556 - 4558

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