Item

Unit

Specification

Result

1. appearance

Clear liquie

PASS

2. assay

wt %

99.5

99.7

3. color

APHA

10 max

3

4. specific gravity

20/20℃

1.004 ~ 1.007

1.005

5. distillation test

I. B. P.

℃

200 min

207.4

D. P.

℃

215max

207.8

6. water content

%

0.5 max

0.01

7. free acid(%)

as acetic acid

0.005 max

0.0005