有机砌块
CAS号:6422-86-2
品名:对苯二甲酸二辛酯Bis(2-ethylhexyl)terephthalate
中文别名:DOTP;对苯二甲酸二异辛酯;对苯二甲酸二(2-乙基己)酯;1,4-苯二羧酸双(2-乙基己基)酯;双(2-乙基己基)对苯二甲酸酯;
英文别名:Dioctylterephthalate;Bis(2-ethylhexyl)terephthalate;
分子式:C24H38O4
分子量:390.556
精确质量:390.277
Psa:52.6
RTECS号:WZ0883500
UNII号:4VS908W98L
外观与性状:透明无色液体
密度:0.986g/mLat 25°C(lit.)
沸点:400°C(lit.)
熔点:30-34°C(lit.)
闪点:230°F
折射率:n20/D 1.49(lit.)
稳定性:Stable under normal temperatures and pressures.
储存条件:库房通风低温干燥
蒸汽压:1 mm Hg ( 217 °C)
安全说明:S24/25
WGK Germany:1
海关编码:2917399090
简介:Dioctylterephthalate(bis(2-ethylhexyl)benzene-1,4-dicarboxylateorDi(2-ethylhexyl)terephthalate),commonlyabbreviatedDOTPorDEHT,isanorganiccompoundwiththeformulaC6H4(CO2C8H17)2.Itisanon-phthalateplasticiser,beingthediesterofterephthalicacidandthebranched-chain2-ethylhexanol.ThiscolorlessviscousliquidusedforsofteningPVCplasticsisknownforchemicalsimilaritytogeneralpurposephthalatessuchasDEHPandDINP,butwithoutanynegativeregulatorypressure.ItpossessesverygoodplasticizingpropertiesandmaybeusedasadirectreplacementforDEHPandDINPinmanyapplications.
用途:广泛用于无毒或与食品接触的聚氯乙烯(PVC)塑料制品中,可以完全替代DOP、DINP等邻苯二甲酸酯类增塑荆。非常适合要求色度低,透明性好,耐迁移性、耐久性高的产品。