Jainik Industries-dye intermediates, dyes Intermediate, pigment intermediate, dyes intermediates, dyes, sulphonic acid, chemicals

P. P . D. 2 : 5 D. S. A

SPECIFICATION
PRODUCT NAME	:	P. P . D. 2 : 5 D. S. A
CHEMICAL NAME	:	p-PHENYLENEDIAMINE-2, 5 - DISULFONIC ACID
EMPIRICAL FORMULA	:	C₆H₈N₂O₆S₂
CAS NO.	:	7139-89-1
MOLECULAR WEIGHT	:	268
SPECIFICATION	:	Assay: Dry: 85% Min Wet: 60% Min Grey to light
USE	:	Reactive Blue 160 (Appollocion Blur H-erd)
STRUCTURAL FORMULA	:

P. P. D. O. S. A.

SPECIFICATION
PRODUCT NAME	:	P. P. D. O. S. A.
CHEMICAL NAME	:	p-PHENYLENEDIAMINE - 2 -SULFONIC ACID
EMPIRICAL FORMULA	:	C₆H₈N₂O₃S
CAS NO.	:	88-45-9
MOLECULAR WEIGHT	:	188
SPECIFICATION	:	Assay: Dry: 98% Min Violet Powder
USE	:	Direct Blue 176 C.I. - 35460 Direct Black 32 C.I. - 35440 Pluto Black G (BY) - C.I.- 35450
STRUCTURAL FORMULA	:

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