CAS号:95-92-1
品名:草酸二乙酯Diethyloxalate
中文别名:乙二酸二乙酯;
英文别名:Ethanedioicacid,diethylester;diethylesterofoxalicacid;diethylethane-1,2-dioate;oxalicdiethylester;DIETHYLOXALATEFORPHARMASYNTHESIS;diethyldicarboxylate;DIETHYLOXALATE;Oxalicether;Ethanedioicacid,diethylester;ETHYLOXALATE;OxalicAcidDiethylEster;OXALICACIDDIETHYLESTER;DIETHYLOXALATE(2.5LTPVC);Diethyloxalate;diethylethanedioate;Ethyloxalate;
分子式:C6H10O4
分子量:146.141
精确质量:146.058
Psa:52.6
RTECS号:RO2800000
EINECS号:202-464-1
MDL号:MFCD00009119
密度:1.076g/mLat 25°C(lit.)
沸点:185°C(lit.)
熔点:−41°C(lit.)
闪点:168°F
折射率:n20/D 1.410(lit.)
稳定性:Stable, but moisture sensitive. Incompatible with strong oxidizing agents.
储存条件:库房通风低温干燥,与氧化剂、食品添加剂分开存放
蒸汽压:1 mm Hg ( 47 °C)
安全说明:S23
危险类别码:R22; R36
WGK Germany:1
海关编码:2917119000
危险品运输编码:UN 2525 6.1/PG 3
危险类别:6.1
包装等级:III
危险品标志:Xn
简介:Diethyloxalateisachemicalusedtopre-treatwoodchipsinordertorefineandpreparethemforfurtherprocessing(suchasobtainingwoodpulp).DiethyloxalateisalsousedasastartingmaterialtosynthesizeEthyleneglycolbymeansofcatalytichydrogenation.
用途:二乙酸二乙酯主要用于医药工业,是苯巴比妥、硫唑嘌呤、周效磺胺、磺胺甲基噁唑、羧苯酯青霉素、乙哌氧氨苄青霉素、乳酸氯喹、噻苯咪唑等药物的中间体。也是塑料促进剂、染料中间体。还用作纤维素酯类、香料的溶剂。用作乙炔萃取剂以及染料、医药、香料等的原料。乙二酸二乙酯常作为亲核试剂的底物,多用于α,γ-二羰基酯、酮类化合、杂环化合物的合成等。合成α,γ-二羰基酯在碱性条件下,酮类化合物可与乙二酸二乙酯发生亲核取代反应而生成α,γ-二羰基酯(
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