CAS N0:818-61-1

EMPIRICAL FORMULA:CH2CHCOOCH2CH2OH

MOLECULAR STRUCTURAL FORMULA:

FORMULA WEIGHT:

116.12

Technical index:

ITEM

TOP GRADE

SUPPER GRADE

FIRST GRADE

METHOD

APPEARANCE

CLEAR LIQUID

CLEAR LIQUID

CLEAR LIQUID

PURITY ≥ (%)

97.0

95.0　

91.0　

ASSAY BY G.C　

WATER ≤ (%)

0.2

0.3

0.5

KARL FISCHER

COLOR ≤

20

30

40

PT-CO

FREE ACID(AS AA) ≤ (%)

0.2

0.3

0.3

CHEMICAL TITRATION

INHIBITOR(MEHQ) (ppm)

400±40

400±40

400±40

SPECTROPHOTOGRAPHY