Glycerol, solution 86 - 88% w/w, for analysis, ExpertQ®, ISO
- Synonyms: Glycerin, 1,2,3-Propanetriol
- C3H8O3
- M = 92,10 g/mol
- CAS [56-81-5]
- EINECS-No.: 200-289-5
- Density: 1,23 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: 17,8 ºC
- Boiling point: > 130 ºC
- Flash pt. 160 ºC
- Ignition temp.: ~ 429 ºC
- Vapour pressure: (20 ºC) ~ 8 hPa
- Dielectric const.: (20 ºC) 42,5
- LD 50 (oral, rat): 12600 mg/kg (pure substance)
- Tariff number: 2905 45 00 00
- Applications: solvents, humectant, plasticizer, in food industry, cosmetics, in antifreeze compositions, in lubricant compositions.
SPECIFICATIONS
assay (G.C.): 86 - 88 %
density (20º/4º): 1,221 - 1,231
identity (IR-spectrum): passes test
free acid (as CH3COOH): max. 0,002 %
free alkali (as NH3) : max. 0,0005 %
chlorides (Cl): max. 0,0001 %
sulfates (SO4): max. 0,0005 %
ammonium (NH4): max. 0,0005 %
arsenic (As): max. 0,5 ppm
heavy metals (as Pb): max. 1 ppm
iron (Fe): max. 1 ppm
aldehydes: max. 0,001 %
glycerol tributyrate): max. 0,05 %
other org. matter (as CH2=CHCHO) : max. 0,005 %
glycerolaldehyde: max. 0,003 %
substances darkened by H2SO4: passes test
residue on ignition: max. 0,005 %
water (K.F.): 12 - 14 %
| Reference | ||
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GL0023005P |
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GL00231000 |
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