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Specification

Concerning Product:
Article number 57556VPUL
Trade name / designation / denomination 1,2-Propylenglycol, Pharma
CAS number 57-55-6
Other names / synonyms•Alpha-propylene glycol; •Propylene Glycol; •propane-1,2-diol;
EC number200-338-0
Customs tariff number / CN code / TARIC29053200
Molecular weight [g / mol]76.09442
FormulaC3H8O2


Parameter Specification Unit

Organoleptic test
Colour ≤ 5 Hazen
Colour clear, colorless
Odour characteristic

Physical parameter
Acidity/Alkalinity ≤ 20
Acidity/Alkalinity (EP*): ≤ 0,05 ml
Acidity/Alkalinity (MPG USP*): ≤ 0,2 ml
Refraction index 1,431  –  1,433 UN
Distillation range 186,0  –  189,0 °C
Form liquid
Substances insoluble exempt
Loss on drying 0,000  –  0,100 %
Oxidizing substances complies
Reducing substances complies
Relative density 1,035  –  1,040
Specific weight @ 25 °C 1,035  –  1,037

Identity
Assay 99,8  –  100,0 %
Infrared absorbtion spectrometry complies
Melting Point (identity) 123  –  128 °C

Impurities
Residue on ignition ≤ 50 ppm
Residue on ignition (FCC*): ≤ 0,007 %
Residue on ignition (USP*): ≤ 3,5 %
Heavy Metals (as Pb) ≤ 5,0 ppm
Sulphated ash (*) ≤ 5 mg
Sulphates (SO4) ≤ 60 ppm
Impurity DPG: ≤ 0,100 %
Impurity EG & DG: ≤ 0,1 %

Elemental Impurities
Arsenic (As) ≤ 1,0 ppm
Chlorides (Cl) ≤ 1,0 ppm
Iron (Fe) ≤ 0,5 ppm
Lead (Pb) ≤ 1,0 ppm

Organic volatile impurities
Org. volat. Imp. Total complies
Annotation:
* Parameter controlled annually.


Supplemental information:

Shelf life: 2 years


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 16. Dec. 2021
We only confirm that we took over the data from our supplier accordingly. Despite careful working, errors in the takeover are not totally excluded. Some or all parts off the document may be translated due to our best knowledge from the original to give a better understanding. If you have any questions about specific details, please call us directly. Unless otherwise marked, these data do not originate from us and have not been tested by us on the correctness. The above information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. We make no warranties, expressed or implied, as to the information's accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of our products for its particular application. The foregoing information does not absolve the buyer of its own tests. Observing existing laws and regulations, is the responsibility of the buyer of our product. Nothing included in this information waives any of our General Terms and Conditions of Sale, which control unless it agrees other in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing our products, are available upon request and are provided in compliance with applicable law. The user should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact us.


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