Salts & Minerals
REACH
Bismuth subsalicylate
CAS Number
14882-18-9
EC Number
238-953-1
Abbreviation
BSS
What is Bismuth subsalicylate?
Bismuth subsalicylate (CAS 14882-18-9), also known as pink bismuth and abbreviated BSS, is an inorganic bismuth salt used in pharmaceutical and personal care manufacturing.
Where is Bismuth subsalicylate used?
- Gastrointestinal formulations: antimicrobial and preservative agent
- Over-the-counter remedies: active pharmaceutical ingredient
- Oral suspensions and chewable tablets at defined dosage strengths
- Personal care: cosmetic lip products and skin preparations
- Intermediate in the production of other bismuth-based compounds
- In topical creams and ointments it supports preservation where alternative preservatives face regulatory restrictions.
Commercial specifications
- USP and pharmaceutical-grade specifications, meeting purity requirements for regulated drug products
Other Names (Synonyms)
pink bismuth|Gastro-Cote|Corrective Suspension|Bismuth oxysalicylate|Bismukote|2-Hydroxy-benzo[1,3,2]dioxabismin-4-one|Pepto-Bismol|Bismuth oxide salicylate|BSS
What are the physical properties of Bismuth subsalicylate?
Melting Point >350 °C(lit.)
Density 3.05[at 20℃]
Appearance White or almost white powder.
Color White
Odor odorless
Form Powder
Water Solubility Practically insoluble in water, alcoholSoluble in acid and alkali. Insoluble in cold water, ethanol, diethyl ether and n-octanol.
Vapor Pressure 0Pa at 20℃
Log P 0.11 at 25℃
How is Bismuth subsalicylate classified and handled safely? Learn More
Warning
GHS09· Environmental Hazard
Hazard Statements
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
Precautionary Statements
P273 Avoid release to the environment.
P391 Collect spillage.
P501 Dispose of contents/container in accordance with local regulations.
Which trade and regulatory codes apply to Bismuth subsalicylate?
HS Code 2918215100
Storage Class 11 - Combustible Solids
WGK (Germany) 3