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Merck
CN

09678

Ammonium bismuth citrate

base ingredient for culture media, granular, for Salmonella spp., for Candida spp.

Synonym(s):

Bismuth ammonium citrate, Citric acid ammonium bismuth salt

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About This Item

CAS Number:
31886-41-6
PubChem Substance ID:
329748794
UNSPSC Code:
41106212
NACRES:
NA.85
EC Number:
250-856-6

Key Documents

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Product Name

Ammonium bismuth citrate, base ingredient for culture media, granular, for Salmonella spp., for Candida spp.

InChI key

VZZHAYFWMLLWGG-UHFFFAOYSA-K

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

SMILES string

OC(CC(C(O)=O)(O)CC(O)=O)=O.C.C

sterility

non-sterile

assay

≥99.0% (KT)

form

granular

application(s)

microbiology

suitability

Candida spp.
Salmonella spp.

Quality Level

200

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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

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.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN6056
BCCL3719
BCCH4299
BCCF3656
BCBX5801

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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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