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Specification

Concerning Product:
Article number 67038V01
Trade name / designation / denomination Vitamin B1 HCL (Thiamin HCl), EP/BP/USP
CAS number 67-03-8
Other names / synonyms•Aneurine hydrochloride; •Vitamin B1 HCl; •thiamine hydrochloride;
EC number200-641-8
Customs tariff number / CN code / TARIC29362200
Molecular weight [g / mol]337,3 g/mol
FormulaC12H18Cl2N4OS


Parameter Test Method Specification Unit

Organoleptic test
Appearance of solution BP2023 clear, no more than reference solution Y7 or GY7
Appearance white crystals or almost white crystalline powder

Physical parameter
Water content USP2022 ≤ 5,0 %
pH value USP2022 2,7  –  3,3

Identity
Absorbance of Solution USP2022 ≤ 0,025
Assay BP2023 98,5  –  101,0 %
Assay USP2022 Chromatographic: ≤ 1,0 %
Identification USP2022 (1) should be positive reaction
Identification FCC11 (2) Consistent with the reference IR spectra

Impurities
Residue on ignition USP2022 ≤ 0,1 %
Heavy Metals (as Pb) ICP/MS ≤ 20 ppm
Nitrates USP2022 No brown ring is produced at the junction of the two layers
Sulphates (SO4) USP2022 ≤ 300 ppm
Impurity BP2023 A: ≤ 0,15 %
Impurity BP2023 Any impurity ≤ 0,1 %
Impurity BP2023 B: ≤ 0,3 %
Impurity BP2023 C: ≤ 0,15 %
Impurity BP2023 Total impurities ≤ 0,5 %

Residual Solvents
Ethanol USP2022 ≤ 0,5

Elemental Impurities
Arsenic (As) ICP/MS ≤ 1,0 ppm
Cadmium (Cd) ICP/MS ≤ 0,3 ppm
Mercury (Hg) ICP/MS ≤ 0,1 ppm
Lead (Pb) ICP/MS ≤ 0,5 ppm

Organic volatile impurities
Methanol USP2022 ≤ 0,3 mg/kg

Microbiological data
Escherichia Coli. CH.P.2020 neg. in 10g
Salmonella CH.P.2020 neg. in 10 g
Staphylococcus Aureus CH.P.2020 neg. in 10g
Total Plate Count CH.P.2020 ≤ 1000 CFU/g
Yeast and Mould CH.P.2020 ≤ 100 CFU/g

Supplemental information:

Shelf life: 3 years

Complies with monographie: EP11.0, USP2022, BP2023, FCC11

Regional origin: CN


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 11. Jul. 2025
LF-Basis: (AZ-2025-01-27)
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.