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Safety Information

H9950

Sigma-Aldrich

Hanahan′s Broth (SOB Medium)

Liquid microbial growth medium

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About This Item

UNSPSC Code:
12352200

grade

for molecular biology

sterility

sterile; 0.2 μm filtered

form

liquid

suitability

suitable for nonselective for Escherichia coli and Coliforms

storage temp.

room temp

General description

Hanahan′s (SOB) media is a highly-referenced microbial growth medium used for the cultivation of E. coli. This nutrient-rich microbial broth contains peptides, amino acids, water-soluble vitamins, and carbohydrates.

Application

Suitable for non-selective cultivation of E. coli strains for cloning, DNA plasmid production and production of recombinant proteins. Also suitable for selective cultivation when appropriate antibiotics are added.

Features and Benefits

Hanahan′s (SOB) media provides:
  • Filter-sterilized, ready-to-use format
  • Convenient package size
  • Standard formulation

Components

20 g/L Tryptone
5.0 g/L Yeast Extract
10mM NaCl
2.5mM KCl
10mM MgCl2
10mM MgSO4

Physical form

20 g/L Tryptone
5.0 g/L Yeast Extract
10mM NaCl
2.5mM KCl
10mM MgCl2
10mM MgSO4

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

H9950-BULK:
H9950-VAR:
H9950-500ML:
H9950PROC:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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