Propane-1-2-Diol

Certified Food Grade, USP

Assay: > 99.80%
Molecular Formula: C3H8O2

Current USP:-
Acidity: < 0.20ml
Chlorides: < 70ppm
Residue on ignition: < 0.0070%
Specific gravity at 20˚C: 1.035—1.037
Sulphate: < 60ppm
Water content: < 0.200%
ID test A, matches IR scan: Pass
ID test B, limit of Ethylene Glycol: Pass
ID test B, limit of Diethylene Glycol: Pass
ID test C, matches GC scan: Pass

Current EP:-
Acidity: < 8.3ml
Boiling point: 184—189˚C
Clarity: Pass
Colour: Pass
Melting point: 121—128˚C
Oxidising substances, 0.05M Sodium Thiosulphate: < 0.20ml
Reducing substances: Pass
Refractive index at 20˚C: 1.431—1.433
Relative density at 20˚C: 1.035—1.040
ID test D: Pass
Ethylene Glycol: < 0.0620%
Diethylene Glycol: < 0.10%
Water content: < 0.200%

Current JP:-
Sulphated Ash: < 0.0100%
Residue on ignition, FCC: < 0.0070%
Acidity: Pass
Arsenic: < 2.0ppm
Chlorides: < 0.007%

Distilling range, 184—189˚C: < 95%vol
Glycerine (odour): Pass
Heavy metals: < 5.0ppm
Melting point: 174—178˚C
Odour: Pass
Residue on ignition : < 0.0050%
Specific gravity at 20˚C: 1.035—1.040
Sulphate: < 0.002%
Water content: < 0.500%

Current FCC:-
Assay: > 99.80%
Acidity: Pass
Appearance, clear & colourless: Pass
Distillation, IBP: > 185.0˚C
Distillation, DP: < 189.0˚C
Lead: < 1.0ppm
Identification, matched IR scan: Pass
Specific gravity at 20˚C: 1.035—1.037
Water content: < 0.200%

Final testing requirements:-
Acidity as Ascetic Acid: < 0.0020%
Appearance, clear & free from suspended matter: Pass
Chlorides: < 1.0ppm
Colour: < 10 Pt-Co
Dimer, Trimer & higher Polymers: < 0.100%
Ethylene Glycol: < 0.0080%
Diethylene Glycol: < 0.0080%
Iron: < 0.30ppm
Odour, practically odourless: Pass
Specific gravity at 20˚C: 1.0376—1.0389

Cas Number: 57-55-6

Einecs Number: 200-338-0

HS Code / Commodity Code: 2905320000

Hazard Phrases: H0001