D Panthenol

Sr. No.

Typical properties

Acceptance criteria

Typical values

1

Odour

Odourless

Odourless

2

Colour

Colourless to slightly yellow

Colourless

3

Appearance

Clear viscous liquid

Complies

4

Purity, %

98 - 100

99.1

5

pH, 5 % Solution

5.0 - 7.0

5.65

6

Refractive Index

1.49 - 1.50

1.49

7

Content of 3-Aminopropanol, %

Less than 1.0

0.01

8

Ignition residues (%)

Not more than 0.1

0.06

9

Specific optical rotation

(+) 29.0  (+) 31.0

Complies

10

Heavy Metals, ppm

Not more than 10

2.0