Intermediates
2-Cyanophenol
2,4-Dihydroxybenzaldehyde
2-Hydroxy-4-methoxybenzaldehyde
4-Chlorophenyl methyl sulfone
5-[3-Chloro-5-(trifluoromethyl)pyrid-2-ylsulphonyl]thiophene-2-sulphonyl chloride
4-Nitrobenzyl chloride
 
Acid Mordant Dyes
Eriochrome Balck T
Eriochrome Balck T250
alizarin blue black B
Acid Chrome Pure Blue B
Acid Mordant Brown RH
Acid Mordant Navy Blue RRN
 
Acid Mordant Brown RH (acid brown 33#)
Index: C.I.Mordant Brown 33(13250)
Foreigh corresponding name :

Acid Chrome Brown

Structural formula:
Appearance: brown even powder
Shade: similar to standard product
Intension: 100 of standard product
Water content(%): ≤5
Water-insoluble: ≤0.5%
Fineness(80 mesh standard riddle remains): ≤5%
Colour fasteness:
standard depth

light resistance

washable(40℃)
perspiration resistance
rub resistance
hot pressure resistance (ironing) (180℃)
acid
alkalescence
Rubbing
calico colouring
wool colouring
Rubbing
calico colouring
wool colouring
Rubbing
calico colouring
wool colouring
dryness
wetness
1%
4-5
3-4
4-5
4-5
4-5