Silver Vitellinate, also known as Mild Silver Protein, is a silver–protein complex designed to deliver controlled release of silver ions (Ag⁺) for antimicrobial applications. It consists of silver bound to a protein matrix, enabling gradual ion release, making it suitable for topical, cosmetic, and technical formulations. Unlike traditional inorganic silver salts, it offers improved stability, reduced irritation and sustained antimicrobial activity.
CAS No.: 9015-51-4
Synonyms: Argyrol; Albumose silver; Silver protein; Solargentum; Argisal
| Specifications | |
| Appearance | Green or bluish-black metallic shiny flakes or powder, hygroscopic |
| Solubility | Freely Soluble in water; Practically insoluble in ethanol and in methylene chloride |
| Silver Ions | No ppt is formed when HCl is added to the ethanolic filtrate |
| Water Insoluble Substances | NMT 1.0% |
| Loss on drying | NMT 8.0% |
| Assay (by titration) | NLT 19.0% NMT 23.0% Ag dried substance |
Silver Vitellinate is generally considered safe for controlled topical and industrial use. However, some of the possible side effects that may occur are as follows –
| Pictograms : | Not Available |
| Hazard Statements : | Not Available |
| Precautionary statements : | Not Available |
Silver Vitellinate, also known as Mild Silver Protein, is a silver–protein complex designed to deliver controlled release of silver ions (Ag⁺) for antimicrobial applications. It consists of silver bound to a protein matrix, enabling gradual ion release, making it suitable for topical, cosmetic, and technical formulations. Unlike traditional inorganic silver salts, it offers improved stability, reduced irritation and sustained antimicrobial activity.
CAS No.: 9015-51-4
Synonyms: Argyrol; Albumose silver; Silver protein; Solargentum; Argisal
| Specifications | |
| Appearance | Green or bluish-black metallic shiny flakes or powder, hygroscopic |
| Solubility | Freely Soluble in water; Practically insoluble in ethanol and in methylene chloride |
| Silver Ions | No ppt is formed when HCl is added to the ethanolic filtrate |
| Water Insoluble Substances | NMT 1.0% |
| Loss on drying | NMT 8.0% |
| Assay (by titration) | NLT 19.0% NMT 23.0% Ag dried substance |
Silver Vitellinate is generally considered safe for controlled topical and industrial use. However, some of the possible side effects that may occur are as follows –
| Pictograms : | Not Available |
| Hazard Statements : | Not Available |
| Precautionary statements : | Not Available |
Silver Vitellinate is used as a controlled antimicrobial agent in pharmaceutical, cosmetic, veterinary, and research applications.
Silver Vitellinate is a silver–protein complex, while colloidal silver is a dispersion of silver nanoparticles in liquid.
It is considered safe for external and regulated use, but not intended for ingestion or unapproved medical use.
Mild silver protein (Silver Vitellinate) has lower silver content and reduced irritation, while strong silver protein contains higher silver concentration and stronger activity.
It releases silver ions slowly, which disrupt microbial cells and inhibit growth.
