Glycerol, 99,5%, for analysis, ExpertQ®, ACS, Reag. Ph Eur

- Synonyms: Glycerin, 1,2,3-Propanetriol
- C3H8O3
- M = 92,10 g/mol
- CAS [56-81-5]
- EINECS-No.: 200-289-5
- Density: 1,26 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: 18 ºC
- Boiling point: (0,09 hPa) 120 ºC
- Flash pt. 160 ºC
- Ignition temp.: 400 ºC
- Vapour pressure: (20 ºC) < 0,001 hPa
- LD 50 (oral, rat): 12600 mg/kg
- Tariff number: 2905 45 00 00
- Applications: analytical chemistry, synthesis of organic products, in explosive compositions, cosmetics, for pharmaceutical use.

SPECIFICATIONS
assay (G.C.): min. 99,5 %
assay (acidimetric, on dried sample): 98,0 - 101,0 %
identity (IR-spectrum): passes test
refractive index n20/D: 1,470 - 1,475
appearance of solution: passes test
colour (Hazen): max. 10
acidity or alkalinity: passes test
neutrality: passes test
acrolein and glucose : passes test
aldehydes: max. 10 ppm
halogenated compounds (as Cl) : max. 30 ppm
chlorides (Cl): max 0,001 %
sulfates (SO4): max. 0,001 %
aluminium (Al): max. 0,5 ppm
barium (Ba): max. 0,1 ppm
boron (B): max. 0,02 ppm
cadmium (Cd): max. 0,05 ppm
calcium (Ca): max. 1 ppm
chromium (Cr): max. 0,02 ppm
cobalt (Co): max. 0,05 ppm
copper (Cu): max. 0,05 ppm
heavy metals (as Pb): max. 2 ppm
iron (Fe): max. 0,1 ppm
lead (Pb): max. 0,1 ppm
magnesium (Mg): max. 1 ppm
manganese (Mn): max. 0,1 ppm
nickel (Ni): max. 0,02 ppm
tin (Sn): max. 0,1 ppm
zinc (Zn): max. 0,1 ppm
fatty acid esters (as butyric acid) : max. 0,05 %
esters: passes test
sugars: passes test
substances darkened by H2SO4: passes test
impurity A and related substances: passes test
residue on ignition: max. 0,005 %
water (K.F.): max. 0,5 %

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