ال اسپارژین 10 کیلوئی کد 101565 مرک آلمان
ال اسپارژین 10 کیلوئی کد 101565 مرک آلمان


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Description
Catalogue Number 101565
Synonyms Asparaginic acid semiamide, Asn
Product Information
CAS number 5794-13-8
EC number 200-735-9
Grade Ph Eur
Hill Formula C₄H₈N₂O₃ * H₂O
Molar Mass 150.14 g/mol
HS Code 2924 19 00
Structure formula Image
Physicochemical Information
Melting Point 215 - 217 °C decomposes
pH value 4.0 - 5.5 (20 g/l, H₂O, 20 °C)
Bulk density 530 kg/m³
Solubility 22 g/l (20 °C)
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Specifications
Specifications
Assay (perchloric acid titration, calculated on dried substance)99.0 - 101.0 %
Identity (IR-spectrum)passes test
Appearancewhite to almost white crystalline powder or colorless crystals
Appearance of solution (20 g/l, CO₂-free water)clear and colorless
Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 3 mol/l, calc. on dried substance)33.7 - 36.0 °
pH (20 g/l, CO₂-free water)4.0 - 6.0
Chloride (Cl)≤ 200 ppm
Sulphate (SO₄)≤ 200 ppm
Heavy metals (as Pb)≤ 10 ppm
Fe (Iron)≤ 10 ppm
NH₄ (Ammonium)≤ 0.1 %
Aspartic acid≤ 0.5 %
Ninhydrin - positive substances (TLC) (Glutamic acid)≤ 0.5 %
Ninhydrin - positive substances (TLC) (any other impurity)≤ 0.5 %
Residual solvents (Ph.Eur./ICH) class 3 (Ethanol)≤ 0.5 %
Other residual solvents (Ph Eur/ICH)excluded by manufacturing process
Sulfated ash (600 °C)≤ 0.1 %
Loss on drying (130 °C, 3 h)10.5 - 12.5 %
Bacterial endotoxins≤ 3.0 I.U./g
Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000
are not likely to be present.
Corresponds to Ph. Eur.

فروشنده: آزمیران
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پشتیبانی ۷ روز هفته ۲۴ ساعته
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