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 D20/4 | 1.261 - 1.263 |
| REFRACTIVE INDEX N20/D | 1.473 - 1.475 |
| WATER | ≤ 0.1 % |
| RESIDUE ON IGNITION | ≤ 0.005 % |
| HEAVY METALS | ≤ 0.0002 % (as Pb) |
| HALOGENATED COMPOUNDS | ≤ 0.003 % (as Cl) |
| Miscellaneous Assay | acrolein, glucose + NH3-compounds: complying |
| Miscellaneous Assay | fatty acids and ester: complying |
| Miscellaneous Assay | indifference: complying |
| ACS SPECIFICATIONS | MEETS 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 H2SO4 | complying |
| RECOMMENDED RETEST PERIOD | 42 MONTHS |