SALES SPECIFICATION
INDUSTRIAL GRADE
APPEARANCE Clear liquid
ASSAY99.0% min 
WATER0.2% max 
COLOR10max (Pt/Co Scale)
SPECIFIC GRAVITY1.035 -  1.037
DISTILL RANGE185 C (IBP) - 190 C (DP) 
REFRACTIVE INDEX1.4310 - 1.4340
RESIDUE ON IGNITION0.005% max
CHLORIDES1ppm max
ARSENIC1ppm max
HEAVY METALS5ppm max
IRON1ppm max
SULFATE0.006% max

USP GRADE
APPEARANCE Clear liquid
ASSAY99.7% MIN
WATER0.2% max 
COLOR10max (Pt/Co Scale)
SPECIFIC GRAVITY1.035 -  1.037
DISTILL RANGE185 C (IBP) - 189 C (DP) 
REFRACTIVE INDEX1.4310 - 1.4320
RESIDUE ON IGNITION0.0035% max
CHLORIDES1ppm max
ARSENIC1ppm max
HEAVY METALS5ppm max
IRON0.5ppm max
SULFATE100ppm max