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09678

Millipore

Ammonium bismuth citrate

base ingredient for culture media

Synonym(s):

Citric acid ammonium bismuth salt

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About This Item

CAS Number:
EC Number:
UNSPSC Code:
41106212
PubChem Substance ID:
NACRES:
NA.85

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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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