Ortho Amino Phenol (OAP) CAS No : 95556 Molecular Formula : C6H7NO EINECS No : 2024311 Molecular Weight : 109.13 Grams (g) Grade : Industrial Purity : 99% Appearance : COLOURLESSTOWHITE CRYSTALS Solubility : soluble in ethanol, and hot water Physical Form : Powder Melting Point : 170175 *C Shape : Crystal Density : 1.3 Gram per cubic meter (g/m3)

Ortho-Di Anisidine (Fast Blue B Base) CAS No : 119904 Molecular Formula : C 14 H 16 N 2 O 2 EINECS No : 2043554 Molecular Weight : 244.28 Grams (g) Grade : Industrial Purity : 94% 95% min Appearance : White solid Solubility : Solubility in water 60 mg/l Physical Form : Solid Melting Point : 113 *C Density : 1.178 Gram per cubic meter (g/m3)

Ortho Tolidine Dihydrochloride CAS No : 612828 Molecular Formula : C14H18Cl2N2 EINECS No : 2103225 Molecular Weight : 285.21` Grams (g) Grade : Industrial Purity : 97% Appearance : light beige to greybeige crystalline powder Solubility : Soluble in water. Physical Form : Solid Melting Point : 300C Shape : Crystal Usage : It is an indicator.

Ortho Nitro Aniline Para Sulphonic Acid CAS No : 616842 Molecular Formula : C6H6N2O5S EINECS No : 2104957 Molecular Weight : 218. 0 Grams (g) Grade : Industrial Purity : 85% (MIN) / 70 % WET Appearance : LIGHT YELLOW TO REDDISH YELLOW Solubility : SOLUBILITY IN WATER 180 GPL MIN Physical Form : Powder Usage : Dyes Pigments