MERCK 107004.0500 Oxford-Listeria-Selective-Agar (Base) For Microbiology

Key Spec Table

ph Value	Solubility
6.9 - 7.1 (58.5 g/l, H₂O, 35 °C) (after autoclaving)	58.5 g/l

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Description
Catalogue Number	107004
Synonyms	Listeria selective agar

Product Information
HS Code	3821 00 00
Quality Level	MQ200

Physicochemical Information
pH value	6.9 - 7.1 (58.5 g/l, H₂O, 35 °C) (after autoclaving)
Bulk density	810 kg/m3
Solubility	58.5 g/l

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H315: Causes skin irritation.H319: Causes serious eye irritation.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling.P280: Wear protective gloves/ eye protection/ face protection.P302 + P352: IF ON SKIN: Wash with plenty of water.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P332 + P313: If skin irritation occurs: Get medical advice/ attention.P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word	Warning
Storage class	10 - 13 Other liquids and solids
WGK	WGK 3 highly hazardous to water
Disposal	3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Categories of danger	harmful, irritant

Storage and Shipping Information
Storage	Store at +15°C to +25°C.

Specifications
Base tested with Oxford-Listeria-selektiv-supplement art. no. 1.07006.
Appearance (clearness)	clear
Appearance (color)	blueish-brown to greenish-brown
pH-value (25 °C)	6.8 - 7.2
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Listeria monocytogenes ATCC 35152 (WDCM 00109))
Inoculum on reference medium (Listeria monocytogenes ATCC 13932 (WDCM 00021))
Inoculum on reference medium (Listeria innocua ATCC 33090 (WDCM 00017))
Colony count (Listeria monocytogenes ATCC 35152 (WDCM 00109))
Colony count (Listeria monocytogenes ATCC 13932 (WDCM 00021))
Colony count (Listeria innocua ATCC 33090 (WDCM 00017))
Recovery on test medium (Listeria monocytogenes ATCC 35152 (WDCM 00109))	≥ 50
Recovery on test medium (Listeria monocytogenes ATCC 13932 (WDCM 00021))	≥ 50
Recovery on test medium (Listeria innocua ATCC 33090 (WDCM 00017))	≥ 50
Growth Escherichia coli ATCC 25922 (WDCM 00013)	total inhibition
Growth(Escherichia coli ATCC 8739 (WDCM 00012))	total inhibition
Growth (Staphylococcus aureus ATCC 25923 (WDCM 00034))	partial inhibition
Growth (Candida albicans ATCC 10231 (WDCM 00054))	partial inhibition
Black zone (Listeria monocytogenes ATCC 35152 (WDCM 00109))	black zone
Black zone (Listeria monocytogenes ATCC 13932 (WDCM 00021))	black zone
Black zone (Listeria innocua ATCC 33090 (WDCM 00017))	black zone
Incubation: up to 48 hours at 35 ± 1 °C, aerobicA recovery rate of 50 % is equivalent to a productivity value of 0.5.The indicated colony counts result from the sum of a triple determination.Reference media: Tryptic Soy Agar