09678
Ammonium bismuth citrate
base ingredient for culture media
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All Photos(2)
Synonym(s):
Citric acid ammonium bismuth salt
CAS Number:
EC Number:
UNSPSC Code:
41106212
PubChem Substance ID:
NACRES:
NA.85
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Quality Level
sterility
non-sterile
Assay
≥99.0% (KT)
form
powder
application(s)
microbiology
SMILES string
OC(CC(C(O)=O)(O)CC(O)=O)=O.C.C
InChI
1S/2C6H8O7.Bi.3H3N/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;3*1H3/q;;+3;;;/p-3
InChI key
VZZHAYFWMLLWGG-UHFFFAOYSA-K
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General description
Ammonium bismuth citrate is used in microbiological culture media as a selective agent as it inhibits certain gram-negative and gram-positive bacteria. The bismuth ions are reduced to metallic bismuth, which impart metallic sheen around the colonies.
Application
Ammonium bismuth citrate is used in microbiological culture media as a selective agent. It is for example used in Bismuth sulfite agar for the isolation of Salmonella typhi and other salmonellae from food and other materials, sewage and water. It is as well used in the Nickerson Agar (BIGGY), which is used for the isolation and identification of Candida species
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Reduction of inorganic substances by yeasts I. Extracellular reduction of sulfite by species of Candida
Nickerson, Walter J
The Journal of Infectious Diseases, 43-56 (1953)
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