CAS57-55-6
FormulaCH3CHOHCH2OH
Synonym1,2-propanediol, Methyl glycol, 1,2-Propanediol, Propane-1,2-diol
OdorPractically oderless
Solubility (grams/100 g water) at 100°CWater Solubility @ 25°C, ---- Pass ---- Visual
Redusing SubstancesPass ------------------------ Current EP
Specific Gravity (20°C/4°C)(@25/25°C) 1.0351 - 1.0364 ---------- ASTM D4052-9
Color, Pt-Co10 max --------------------- ASTM D53
Test Item & DescriptionLimit ----------- Unit ---------
Heavy Metals, as Pb5 max ---------- ppm ----- Current USP
Sulfate, compare to Standard0.006 max ------ %wt ---- Current USP
Iron0.300 max ---- ppm ---- TPO-G2A
Assay, Calculated99.00 min ---- % wt ---- DOWM 100687
Acidity, as Acetic Acid0.002 max ---- % wt ---- DOWM 101370-TE3A
SensoricLiquid, slightly sweet taste
Chlorides, compare to standard0.007 max ------ %wt ---- Current USP
Identification, matches IRS ScanPass ----------------------- Current USP
Residue on Ignition(% wt) --- 0.007max ---- Current USP
Organic VolatilesPass/Fail ------- Current USP
Water content(ppm)0.2 max ---- % wt ---- Current USP
Color, APHA; ASTM D 1209Colorless, clear
Oxidzing Substances,0.05M sodium thiosulfate0.2 max ------ ML ------- Current EP
Relative Density (20 ºC)1.0350 - 1.0400 ------ Current EP