3a821 | | "Thiamine mononitrate" or "Vitamin B1" | Additive compositionThiamine mononitrateCharacterisation of the active substanceThiamine mononitrateC12 H17N4OSߦNO3CAS number: 532-43-4Thiamine mononitrate, solid form, produced by chemical synthesis.Purity criteria: min. 98 %, on anhydrous basis.Analytical methods:For the characterisation of thiamine mononitrate in the feed additive:- high performance liquid chromatography with UV detection (HPLC-UV) — US Pharmacopeia 32 ("thiamine mononitrate" monograph).
For the quantification of thiamine mononitrate in premixtures:- ion-exchange high performance liquid chromatography coupled to UV detector (HPLC-UV) — VDLUFA Bd. III, 13.9.1, or
- reversed phase high performance liquid chromatography coupled to fluorescence detection (HPLC-FL) — decree 20.2.2006, Official Italian Journal No 50, 1.3.2006.
For the quantification of thiamine mononitrate in feedingstuffs:- reversed phase high performance liquid chromatography coupled to fluorescence detection (HPLC-FL) — decree 20.2.2006, Official Italian Journal No 50, 1.3.2006.
For the quantification of thiamine mononitrate in water:- reversed phase high performance liquid chromatography (HPLC) with post-column derivatisation and fluorescence detection.
| All animal species | — | — | — | 1.Thiamine mononitrate may be placed on the market and used as an additive consisting of a preparation.2.In the directions for use of the additive and premixture, indicate the storage and stability conditions.3.Thiamine mononitrate may be used via water for drinking.4.For safety: breathing protection, safety glasses and gloves shall be worn during handling. | 2 July 2025 |