Reagents

Specifications

Assay % Min 98.0 Melting range °C 130-133

Specifications

Assay Min 99.5 Melting point °C 159 - 161 Insoluble matter % Max 0.005 Sulfated ash % Max 0.05 Chloride (Cl) % Max 0.001 Sulfate (SO4) % Max 0.02 Copper (Cu) % Max 0.0002 Iron (Fe) % Max 0.0001 Lead (Pb) % Max 0.0002

Specifications

Assay Min. 99 % Wt /ml at 20°C 1.164 - 1.167 g Refractive index 1.5730 - 1.5740 Salicylic acid Max. 0.2 % Appearance Yellow to brown coloured liquid

Specifications

Assay Min 99.0 Melting range 198-202°C Specific rotation [a]20Dc=3 (in water) -60 to -64.5 °C

Specifications

Absorption maxima 530 - 534 nm Absorptivity (A 1%/1cm; at lmax) Min 875 Ratio lmax P+/-15 nm 1.10 - 1.32 Loss on drying (at 110°C) Max 15% Appearance Dark greenish coloured powder

Specifications

Assay Min 99 % Specific optical rotation -21 to -18.5 deg Heavy metal (as Pb) Max 0.001 % Water (H2O) Max 0.5 % Appearance White to light yellow to light beige crystalline powder

Specifications

Description Dark green Loss on drying (110°C) Max. 5.0% Absorption maxima in water 550 - 554 nm Absorptivity (A 1%/1cm; at max. pH 7, on dried substance) Min. 2100 Suitability for microscopy Passes test

Specifications

Assay % Min 99 Melting point °C 90 - 92 Specific rotation (a20/D;10%;H2O) +8.7° to +9.2° Water (by KF) % 9 - 10.5

Specifications

Assay 99 - 100.5 % Insoluble matter in water Max 0.01 % Chloride (Cl) Max 0.008 % Aciddity or alkalinity Passes test Melting range 109 - 111°C Phenol Max 0.1 % Sulphated ash Max 0.01 % Loss on drying (over silica gel; 4hrs) Max 1.0 %

Specifications

Assay % Min 99 Specifc rotation +122.0 to +124.0° Melting point 78 - 80 °C Water % 14 - 16

Specifications

Assay Min. 97 % Density (d20°C/4°C) 1.092 - 1.094 Appearance Clear, colourless to brown liquid, which darkens onstorage.

Specifications

Assay (GC) % Min 99 Density (d20 °C/4°C) 0.859 - 0.861 Water % Max 0.5

Specifications

Assay Min. 98.5 % Melting range 131 - 135°C Chloride (Cl) Max. 0.002 % Sulfate (SO4) Max. 0.005 % Ash Max. 0.02 % Loss on drying Max. 0.04 % Gallic acid To pass test Appearance White powder

Specifications

Assay Min 99 % Melting point 104 - 106°C Appearance Off-white to

Specifications

Assay Min 98 % Weight/ mL at 20°C 0.980 - 0.983 g Non volatile matter Max 0.02 % Appearance A clear colorless liquid with characteristic odor