AppearanceClear colourless liquid Assay (As CaBr2 by titration)> 52% w/w Specific gravity (25°C)> 1.70 gm/ml or 14.2 lb/gal Chlorides (C1-)< 0.30% w/w Sulphates (504-2)< 0.1% w/w Heavy Metals< 10 PPM pH 5% solution @25°C6.5 to 8.5 Water Insoluble< 0.30% (by Gravimetric) Crystallization pointbelow -7°C (20°C)
