间苯二甲酸二甲酯，CAS 1459-93-4

what is of  DIMETHYLISOPHTHALATE with CAS 1459-93-4? 

Dimethyl isophthalate is a white needle shaped crystal that is soluble in methanol and ethanol but insoluble in water. It is used in organic synthesis and serves as a gas chromatography stationary plate. Dimethyl isophthalic acid is obtained by esterification of isophthalic acid with methanol.

Спецификация

Товары	Технические характеристики
Внешний вид	White flake
Чистота	≥99.8%
Acidity(mgKOH/g)	≤0.1
Вода	≤0.5%

Применение

Dimethyl isophthalate may be used as an internal standard for determining, dimethyl-tere-phthalate (DMtP), dimethyl-phthalate (DMP), diethyl phthalate (DEP) in soil samples and biosolids using gas-chromatography coupled to mass spectrometry (GC-MS). It may also be used as an analytical reference standard for the quantification of the analyte in complex matrices including plastics, cosmetics, and environmental samples using gas chromatography coupled to positive chemical ionization mass spectrometry (GC-CIMS).

Упаковка

Обычно упаковывается в 25 кг / барабан, а также может быть выполнена индивидуальная упаковка.