OXANOL YELLOW DYE                                       

REF.NO: 60-10-055-00

A

FORMULA :C21H18O8N4S2K2

F  Wt :594

B

                                             SPECIFICATIONS

1

Appearance

Yellow powder

2

IR spectrum

To match the control

3

UV spectrum
ASSAY

To match the control
428-432 nm

4

UV –Vis absorbance peak ( 2.5 mg/L in water buffered to pH 5.40)
Absorbance at peak



0.96-1.20

5

pH of 2% in water at 20oC

3-4

6

FITR ratio of peak absorbance at 1725 / 1500/ cm

Max :0.903

7

Volatile matter

Max:33%

8

UV- Vis absorbance at 268 nm

Min: 0.903

C

Quantity of sample required for test

20 g

D

Mode of packing

To be packed in thick black PE bag and heat sealed which is to be kept in reinforced thermal plastic drum and closed to air tight.