Merck 103753 0500 Yeast Extract Granulated For Microbiology 500 GR.

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Description
Catalogue Number	103753
Replaces	1.03753
Synonyms	Extract of yeast

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Product Information
CAS number	8013-01-2
EC number	232-387-9
HS Code	2106 90 92
Quality Level	MQ200

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Physicochemical Information
Density	0.5 g/cm3 (20 °C)
Ignition temperature	>200 °C
pH value	7.0 (10 g/l, H₂O, 20 °C)
Bulk density	490 kg/m3
Solubility	410 g/l

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Safety Information according to GHS
RTECS	ZF6610000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 3 highly hazardous to water
Disposal	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

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

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Specifications
Appearance\n- colour	brownish-yellow
- description	granules
Identity	conforms
pH-value (2 %; water)	5.5 - 7.2
N (Nitrogen) (calculated on dried substance)	≥ 10.5 %
Sulfated ash (600 °C)	≤ 17.0 %
Heavy metals (as Pb)	≤ 0.005 %
Loss on drying (50 °C; < 670 Pa; 3 h)	≤ 5.0 %
Ca (Calcium)	≤ 0.05 %
Mg (Magnesium)	≤ 0.10 %
Chloride (Cl) (as NaCl)	≤ 5.0 %
Phosphorous compounds (as P)	≤ 2.5 %
Suitability for microbiology	passes test