Chemische Werke Hommel GmbH & Co. KG  

Hommel-Logo

Im Wirrigen 25
D-45731 Waltrop
Tel.: +49 2309 60699-0
Fax: +49 2309 60699-30
www.hommel-pharma.com
info@hommel-pharma.com

Specification

Concerning Product:
Article number 1115704PPEBU
Trade name / designation / denomination Metformin HCl EP/BP/USP
CAS number 1115-70-4
Other names / synonyms•1,1-DIMETHYLBIGUANIDE; •1,1-DIMETHYLBIGUANIDE HYDROCHLORIDE; •1,1-Dimethylbiguanide Hydrochloride; •1,1-Dimethylbiguanide hydrochloride; •1,1-Dimethylbiguanide, Hydrochloride; •1-carbamimidamido-N,N-dimethylmethanimidamide hydrochloride; •3-(diaminomethylidene)-1,1-dimethylguanidine hydrochloride; •METFORMIN; •METFORMIN HCL; •Metformin HCl;
EC number214-230-6
Customs tariff number / CN code / TARIC29252900
Molecular weight [g / mol]165.62458
FormulaC4H12ClN5


Parameter Specification Unit

Organoleptic test
Appearance of solution clear and colourless
Appearance white crystalline powder

Physical parameter
Loss on drying (105° C/5h): ≤ 0,5 % [w/w]
Solubility in Water: freely soluble
in Alcohol: slightly soluble
in Acetone and Methylene Chloride: insoluble

Identity
Assay 98,5  –  101,0 % [w/w]
Identification B. (IR): IR Spectrum complies
Identification E. Chloride: complies

Impurities
Heavy Metals (as Pb) ≤ 10 ppm
Sulphated ash ≤ 0,1 % [w/w]
Impurity F.: ≤ 0,05 % [w/w]
Related substances Impurity A: ≤ 0,02 % [w/w]
Related substances Impurity B: ≤ 0,05 % [w/w]
Related substances total impurities: ≤ 0,2 % [w/w]
Related substances unspecified impurity: ≤ 0,05 % [w/w]

Particle size distribution
Particles < 100 µm ≥ 90 %
Particles < 180 µm ≤ 100 %

Regulatory information:

BSE/TSE statement: Product does not contain ingredients or is produced by raw materials of animal origin.

Registration status: CEP

Residual solvents: Methanol: ≤ 1000 ppm

Xylene: ≤ 500 ppm


Supplemental information:

Shelf life: 5 years

Derivation: synthetic

Complies with monographie: PhEur-9.0, BP-2018, USP-40

Regional origin: IND


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 24. Jul. 2019
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.


Layout-Version: V2018.11a