12 components: 1000ug/ml each of Diisodecyl phthalate (mixture of isomers) [CAS:26761-40-0] ; Phthalic acid, bis-hexyl ester [CAS:84-75-3] ; Phthalic acid, bis-n-pentyl ester [CAS:131-18-0] ; Phthalic acid,bis-2-ethylhexylester [CAS:117-81-7] ; Phthalic acid, bis-methylglycol ester [CAS:117-82-8] ; Phthalic acid, bis-methyl ester [CAS:131-11-3] ; Dicyclohexyl phthalate [CAS:84-61-7] ; Phthalic acid, benzylbutyl ester [CAS:85-68-7] ; Phthalic acid, bis-butyl ester [CAS:84-74-2] ; Phthalic acid, b