Merck 100291 0250 Glutamic Acid For Biochemistry 250 GR.

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Description
Catalogue Number	100291
Synonyms	L-a-Aminoglutaric acid, Glu, L-alpha-Aminoglutaric acid, L-α-Aminoglutaric acid

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Product Information
CAS number	56-86-0
EC number	200-293-7
Hill Formula	C₅H₉NO₄
Molar Mass	147.13 g/mol
HS Code	2922 42 00
Structure formula Image
Quality Level	MQ100

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Applications
Application	L-Glutamic acid for biochemistry. CAS 56-86-0, pH 3.0 - 3.5 (8.6 g/l, H₂O, 25 °C).

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Physicochemical Information
Density	1.54 g/cm3 (20 °C)
Melting Point	213 °C
pH value	3.0 - 3.5 (8.6 g/l, H₂O, 25 °C)
Vapor pressure	<0.1 hPa (20 °C)
Bulk density	460 kg/m3
Solubility	11.1 g/l

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Toxicological Information
LD 50 oral	LD50 Rat > 30000 mg/kg

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Safety Information according to GHS
RTECS	LZ9700000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly 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 +2°C to +30°C.

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Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

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Specifications
Assay (alkalimetric, calculated on dried substance)	99.0 - 100.5 %
Identity (IR-spectrum)	passes test
Appearance	white to almost white, crystalline powder or colorless crystals
Appearance of solution (100 g/l, hydrochloric acid 1 mol/l)	clear and colorless
Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 1 mol/l, calc. on dried substance)	+30.5 to +32.5
Chloride (Cl)	≤ 200 ppm
Sulfate (SO₄)	≤ 200 ppm
Heavy metals (as Pb)	≤ 10 ppm
As (Arsenic)	≤ 5 ppm
Ca (Calcium)	≤ 10 ppm
Co (Cobalt)	≤ 5 ppm
Fe (Iron)	≤ 5 ppm
K (Potassium)	≤ 5 ppm
Mg (Magnesium)	≤ 5 ppm
Na (Sodium)	≤ 100 ppm
NH₄ (Ammonium)	≤ 200 ppm
Zn (Zinc)	≤ 5 ppm
Related substances (LC) (largest single impurity)	≤ 0.2 %
Related substances (LC) (Sum of all impurities)	≤ 0.6 %
Loss on drying (105 °C; 3 h)	≤ 0.1 %