1

3,5-DINITRO BENZOIC ACID

C7H4N2O6

99-34-3

212.12

Assay (by Nitrite Value)
98% Min

HPLC - 99% Min
Insoluble – 0.25% Max

Color
Yellow crystalline powder

X-ray Contrast Media

2

3,5-DIAMINO BENZOIC ACID

C7 H8 N2 O2

535-87-5

152.15

Purity
98.70% Min

3,5-DNBA – 00.01%
Insoluble – 0.20% Max

Color
Ash Powder

REACTIVE DYES

3

3'-3' DIAMINO DIPHENYL SULPHONE

(H2NC6H4)2SO2

599-61-1

248.30

Assay (by Nitrite Value)
98.00% Min

HPLC – 99.00% Min
Water by(Karl Fisher) 0.50% Max

Color
White to brownish powder free of contamination

CURING AGENT IN EPOXY RESIN

4

4-Nitro-2-Amino Phenol-6-Sulphonic Acid (Free Acid)Alternative Name - PAN ACID

C6H6N2O6S

96-67-3

234.18

HPLC – 99.00% Min

N.V.
80% Min

Bulk density – 1.07%
Insoluble – 00.50% Max

Color
Brown crystal powder

ACID DYES

5

4-Chlorophtahlicacidmonosodiumsalt (MCMSPA)Synonym - Monosodium-4-chlorophthalate

C8H3ClO4

56047-23-5

198.56

Mono Chloro Phthalic Acid 60.00 % Min

Sodium Phthalate 17.00% Max

Dichloro Phthalic Acid 11.00% Max

Nacl 8.00% Max

Color
White powder

PIGMENT BLUE