Propylene Glycol, ACS USP/NF Grade Monographs, Kosher
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Propylene Glycol, ACS USP/NF Grade Monographs, Kosher
Propylene Glycol 1,2-Propanediol
Meets ACS & USP/NF Grade Monographs
Kosher
| Test |
Monograph |
Limits |
Typical Lot Analysis |
| Assay (on anhydrous basis) |
ACS
USP |
NLT 99.5% |
99.93% |
| Identification A– Infrared Absorption |
USP |
Conforms to Reference Spectrum |
Conforms |
| Identification B– Limit of Diethylene Glycol and Ethylene Glycol |
USP |
Ethylene Glycol, NMT 0.1%
Diethylene Glycol, NMT 0.1% |
<0.1%
<0.1% |
| Identification C – GC |
USP |
Conforms to Reference Chromatogram |
Pass |
| Specific Gravity @ 25°C, max |
USP |
1.035 – 1.037 |
1.035 |
| Color (APHA), max |
ACS |
NMT 10 |
<5 |
| Acidity |
USP |
NMT 0.20 mL 0.10N NaOH |
Pass |
| Titrable Acid, max |
ACS |
NMT 0.0005 meq/g |
<0.0001 meq/g |
| Inorganic Impurities- Residue on Ignition Residue on Ignition |
USP
ACS |
NMT 3.5mg
NMT 0.005% |
<3.5mg
<0.005% |
| Inorganic Impurities– Chloride and Sulfate Chloride (Cl) |
USP
ACS |
NMT 70ppm as Chloride
NMT 1ppm |
<1ppm |
| Inorganic Impurities- Chloride and Sulfate |
USP |
NMT 60ppm as Sulfate |
0.0001meq/g |
| Elemental Impurities |
USP <232 & 233> |
Complies with requirements |
Complies |
| Water, max |
USP
ACS |
NMT 0.20% |
0.03% |