Aniline 2 -4 Disulfonic Acid CAS NO.137-51-9

physical appearance

grayish to white colored wet cake or dry powder

strength (by coupling)

65% minimum ( wet )

75% minimum ( dry )

basis of sale

on 100% real content basis.

packing

25 kg hdpe bag with liner

method of analysis

titration using nitrite value

insoluble

less than 0.3% max

solubility

freely soluble in water

sulphanilic acid

1.0% max

moisture ( by k.f.)

25.0% max.

purity (by amino value)

70% min.

hplc analysis

purity 98.0% min.

application / use

c.i. no. 61724 – acid brown 161

c.i. no. 124448 – reactive blue 198

c.i. no. 26340 – acid jet black r

c.i. no. 30050 – direct 79

c.i. no. 14275 – acid chrysoln. 56x

c.i. no. 61969 – reactive blue 198