Specification of N.Phenyl J.Acid - Standard Grade

Physical Apperance	Greenish Grey Powder Form
Chemical Name	2 Phenylamine 5Hydroxy Napthalene 7 Sulphonic Acid
M.W.	315
CAS. No.	119-40-4
Empirical Formula	C16H13O4NS
Structural Formula
Purity by C.V.	90.00% - 93.00% (Minimum)
HPLC Purity	97.00% (Minimum)
Unreacted J.Acid	Less than 1.00%
DI.J Acid (R.W. Acid) Content	Less than 0.50%
Insolubles	0.10%
Application	Intermediate for Direct Violet 51, Direct Violet 9 & others.

Specification of N.Phenyl J.Acid - Purified Grade

Physical Apperance	Greenish Grey Powder Form
Chemical Name	2 Phenylamine 5 Hydroxy Napthalene 7 Sulphonic Acid
M.W.	315
CAS. No.	119-40-4
Empirical Formula	C16H13O4NS
Structural Formula
Purity by C.V.	95%- 96% (Minimum)
HPLC Purity	98.5%- 99% (Minimum)
Unreacted J.Acid	0.50% (Maximum)
DI.J Acid (R.W. Acid) Content	Less than 0.10%
Insolubles	Less than 0.10%
Aniline Content	Less than 3500 ppm
Application	Intermediate for Direct Violet 51, DIrect Violet 9 & others.