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Specification Sheet

Product Name
Glycerol puriss. p.a., ACS reagent, anhydrous, dist., ≥99.5% (GC)

Product Number
49770

Product Brand
SIGALD

CAS Number
56-81-5

Molecular Weight
92.09

Test

Specification

APPEARANCE (COLOR)Colorless
APPEARANCE (FORM)Liquid or Viscous Liquid
APPEARANCE (TURBIDITY)Clear
COLOR (IN APHA)≤ 10 APHA
ASSAY≥ 99.5 %
DENSITY D20/41.261 - 1.263
REFRACTIVE INDEX N20/D1.473 - 1.475
WATER≤ 0.1 %
RESIDUE ON IGNITION≤ 0.005 %
HEAVY METALS≤ 0.0002 % (as Pb)
HALOGENATED COMPOUNDS≤ 0.003 % (as Cl)
Miscellaneous Assayacrolein, glucose + NH3-compounds: complying
Miscellaneous Assayfatty acids and ester: complying
Miscellaneous Assayindifference: complying
ACS SPECIFICATIONSMEETS CURRENT ACS REQUIREMENTS
CALCIUM≤ 0.0005 %
CADMIUM≤ 0.0001 %
COBALT≤ 0.0001 %
CHROMIUM≤ 0.0001 %
COPPER≤ 0.0001 %
IRON≤ 0.0001 %
POTASSIUM≤ 0.002 %
MAGNESIUM≤ 0.0001 %
MANGANESE≤ 0.0001 %
SODIUM≤ 0.002 %
NICKEL≤ 0.0001 %
LEAD≤ 0.0001 %
ZINC≤ 0.0001 %
TOTAL SULFUR AS SO4 (ICP)≤ 0.001 %
AMMONIUM (NH4+)≤ 0.0005 %
CHLORIDE (CL)≤ 0.0001 %
SULFATE (SO4)≤ 0.001 %
SUBSTANCES DARK BY H2SO4complying
RECOMMENDED RETEST PERIOD42 MONTHS