Reagents

Specifications

Assay (acidimetric) Min 98 % Density (d20°C/4°C) 1.487-1.489 Refractive index (20°C; 589nm) 1.2995-1.3005 Appearance A clear, colourless liquid

Specifications

Density (d20°C/4°C) 0.970 - 0.980 Refractive index (n20°D) 1.4975 - 1.4990 Appearance A clear yellowish liquid

Specifications

Assay Min 98 % Density (d20°C/4°C) 1.123-1.124 Water (H2O) Max 0.3 % Refractive index (20°C; 589nm) About 1.4559 Appearance Clear colorless to light yellow liquid

Specifications

Assay Min 99.5 % Wt. per ml at 20°C 0.727 g Colour scale Max 15 APHA Water Max 0.1 % Non-volatile matter Max 0.01 % Aluminium (Al) Max 0.000005 % Barium (Ba) Max 0.000002 % Cadmium (Cd) Max 0.000002 % Calcium (Ca) Max 0.00005 % Chromium (Cr) Max 0.000002 % Cobalt (Co) Max 0.000002 %

Specifications

Assay (HClO4 titration) Min. 99.0 % Useful pH range 7.4 – 8.8 Appearance White crystalline powder

Specifications

Assay Min. 99.0% Wt. per ml at 20oC 1.462 – 1.466 g Acidity Max. 0.2 ml N% Non volatile matter Max. 0.004% Free Chlorine (CI) Max. 0.001%

Specifications

Assay % Min 99.0 Boiling point °C 86~ 88 Residue after evaporation % Max 0.001 Free acid (as Hcl) % Max 0.002 Free alkali (as NH3) % Max 0.002 Reduzate of silver mirror test pass Free chlorine pass

Specifications

Assay (alkalimetric) Min 98.0 % Melting point 55.5 - 58.0°C Sulfated ash Max 0.02 % Chloride (Cl) Max 0.02 % Sulfate (SO4) Max 0.02 % Appearance Colourless deliquescent crystals whith a pungent odour

Specifications

Assay Min 99 % Clarity of solution Passes test Melting point Min 56°C Insoluble matter Max 0.005 % Heavy metal (as Pb) Max 0.002 % Chloride (Cl) Max 0.002 % Nitrate (NO3) Max 0.002 % Phosphate (PO4) Max 0.0005 % Sulphate (SO4) Max 0.02 % Residue on ignition Max 0.02 % Iron (Fe) Max 0.001 % Susbtance darkened by H2SO4 Passes test Appearance Colourless deliquescent crystals with a pungent odour

Specifications

Specific rotation20 °C (C=5, in water) +179° to + 180° Loss on drying % Max 9 - 10 Reducing sugars % Max 0.1 Sulfated ash % Max 0.2 Iron (Fe) % Max 0.001 Heavy metals (Pb) Max 0.001 Homogeneity (TLC) passes test

Specifications

Assay Min 99% Melting Point 42-44°C Insoluble matter in dil. HCl Max 0.01% p-Nitrotoluene (CH3C6H4NO2) Max 0.001% Toluene (C6H5CH3) Max 0.1% m-Toluidine (CH3C6H4NH2) Max 0.3% Appearance White to light yellow and faint beige to beige crystals / crystalline powder

Specifications

Assay (by GC) (%) min. 99,0 Water (KF) (%) max. 0,1 Residue on Evaporation (%) max. 0,005 Acidity (meq/g) (meq/g) max. 0,0005

Specifications

Assay (by GC) Min 99.8 % Water (KF) Max 0.03 % Residue on Evaporation Max 0.001 % Acidity (meq/g) Max 0.0001 Benzene Max 0.05 % Xylenes Max 0.05 % Substances reducing KMnO4 Max 0.0005 % Substances darkened by H2SO4 (APHA) Max 50 Calcium (Ca) Max 0.00001 % Copper (Cu) Ma 0.000002 %

Specifications

Appearance A clear colorless Assay (by GC) Min 99.8% liquid Non-volatile matter Max 0.0001% Water (H2O) Max 0.05% UV absorbance (1 cm;water) - 285 nm Max 1.0 UV absorbance (1 cm;water) - 290 nm Max 0.50 UV absorbance (1 cm;water) - 300 nm Max 0.20 UV absorbance (1 cm;water) - 310 nm Max 0.10 UV absorbance (1 cm;water) - 335 nm Max 0.02 UV absorbance (1 cm;water) - 350 nm Max 0.01

Specifications

pH 12.0 - 13.0 Yellow to red Absorption maxima 397 - 407 nm Absorptivity 1%/1cm at absorption Min 320 Loss on drying (at 110°C) % Max 8