Bismuth citrate
CAS 813-93-4
EC 212-390-1
Formula C6H8O7.Bi
MW 398.08 g/mol
Salts & Minerals Pharmaceuticals & HealthcareFood & NutritionPersonal Care & Cosmetics Preservation & BiocidepH Regulation & BufferingAntioxidant & Stabilizer
Description
Bismuth citrate (CAS 813-93-4) is an inorganic bismuth salt of citric acid, commercially available under trade names including Tegokat 752 and Livzon dele. It carries no assigned E-code and is distinct from colloidal bismuth subcitrate used in gastric formulations.
In pharmaceutical manufacturing, bismuth citrate acts as an antimicrobial agent by disrupting bacterial enzyme systems, making it relevant to gastrointestinal drug formulations targeting Helicobacter pylori. In personal care, it functions as a skin conditioner and pH buffer, stabilising emulsion systems against acidic or alkaline drift during processing and storage.
Bismuth citrate is supplied as a crystalline powder in pharmaceutical and technical grades, with quality benchmarks referenced against Ph.Eur. monographs where applicable. The substance falls under REACH regulation and is classified under HS code 2918150000. Standard packaging formats include multi-layer bags and fibre drums suited to B2B procurement volumes.
In pharmaceutical manufacturing, bismuth citrate acts as an antimicrobial agent by disrupting bacterial enzyme systems, making it relevant to gastrointestinal drug formulations targeting Helicobacter pylori. In personal care, it functions as a skin conditioner and pH buffer, stabilising emulsion systems against acidic or alkaline drift during processing and storage.
Bismuth citrate is supplied as a crystalline powder in pharmaceutical and technical grades, with quality benchmarks referenced against Ph.Eur. monographs where applicable. The substance falls under REACH regulation and is classified under HS code 2918150000. Standard packaging formats include multi-layer bags and fibre drums suited to B2B procurement volumes.
Physical Properties
| Melting Point | 300 °C (dec.) (lit.) |
| Density | 0.94 g/mL at 25 °C(lit.) |
| Appearance | White Crystalline Powder |
| Color | White |
| Form | Crystalline Powder |
| Water Solubility | Insoluble in water, alcohol, ether. Soluble in ammonia solution and in solution of alkali citrates. Typical tap density 0.50g/cm^3.Soluble in ammonia, alkali citrates. Insoluble in water, alcohol and ether. |
| Vapor Pressure | 0Pa at 20℃ |
| Log P | -0.37 at 25℃ |
Trade & Regulatory
| HS Code | 2918150000 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
bismuth 2-hydroxypropane-1,2,3-tricarboxylateTegokat 752Livzon deleBISMUTH(III) CITRATEBISMUTHCITRATE,POWDERBismuth, [citrato(3-)]-Bimuth Potassium Citrate
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