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Merck

55535

Yeast Extract for Biotechnology and Microbiology

for Biotechnology and Microbiology

Synonym(s):

Yeast Extract

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
41106212
NACRES:
NA.74
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Product Name

Yeast Extract, suitable for microbiology

shelf life

limited shelf life, expiry date on the label

composition

amino nitrogen, ≥4.5%
ash, ≤65%
E.coli, negative CFU/g
moulds, ≤50 CFU/g
proteins, ≥62.5%
sodium chloride, ≤0.5%
total coliforms, ≤5 CFU/g
Total mesophilic bacteria, ≤5000 CFU/g
total nitrogen, ≥10%
yeasts, ≤50 CFU/g

loss

≤6% loss on drying

pH

6.8-7.2 (2% in H2O)

solubility

H2O: 2%, clear, yellow

application(s)

microbiology



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Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable



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