2, 5-DIHYDROXY –P- BENZENE DISULPHONIC ACID POTASSIUM SALT    MONOHYDYDRATE

REF.NO: 60-10-027-00

A

FORMULA :
(HO)2C6H2(SO3K)2 H2O

F. Wt : 346.4 

B

                                        SPECIFICATIONS

1

Appearance

White crystalline powder

2

IR Spectrum

To match the control curve

3

Assay: UV-Visible spectrum of 0.005% solution in water.
O.D. at 314 milli micron
O.D. at 300milli micron

 

Min : 0.720
Max : 0.540

4

Clarity of 1% aqueous solution

Clear and colour less

5

pH of 1% aqueous solution

3-5

6

Reducing or oxidising substances as SO2

Max :20 ppm

7

Practical test

Passes the test

C

Quantity of sample required for test

500gms

D

Mode of packing

To be packed in PE container with PE screw cap.