ACID VIOLET 520T

REF.NO: 60-10-005-00

A

FORMULA : C26H26N4O4SK

F. Wt : 490.60

B

SPECIFICATIONS

1

Appearance  

Black powder

2

IR spectrum               

To match control curve

3

UV-Vis spectrum                  

To match control curve

4

Assay
UV –Vis spectrum 0.01 g / 1lit H2O buffered to pH 5.40

Maximum peak                   :  530-540 nm
Absorbance at  peak       :  0.77-0.85        

5

pH of 2% aqueous solution

4.5-6.0

6

Melting point                         

220oCto 230oC

7

Solubility : 1gm/100ml water

Clear, no residue

8

Practical test

Passes the test

C

Quantity of sample required for test

10gms

D

Mode of packing                                          

To be packed in black polythene bag double layered and heat sealed. This bag is to be kept in PE/ cardboard drum.