Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

101566 L-Aszparagin-monohidrát

101566
Purchase on Sigma-Aldrich

Áttekintés

Replacement Information

Kulcsspecifikációk táblázata

CAS #Empirical Formula
5794-13-8C₄H₈N₂O₃ * H₂O

Products

KatalógusszámCsomagolás Menny./csomag
1015660100 Muanyagpalack 100 g
1015661000 Muanyagpalack 1 kg
1015669010 Muanyagdob 10 kg
Description
Catalogue Number101566
SynonymsAsparaginic acid semiamide, Asn
References
Product Information
CAS number5794-13-8
EC number200-735-9
Hill FormulaC₄H₈N₂O₃ * H₂O
Molar Mass150.14 g/mol
HS Code2924 19 99
Structure formula ImageStructure formula Image
Quality LevelMQ100
Applications
ApplicationL-Asparagine monohydrate for biochemistry. CAS 5794-13-8, pH 4.0 - 5.5 (20 g/l, H₂O, 20 °C).
Biological Information
Physicochemical Information
Melting Point215 - 217 °C bomlik
pH value4.0 - 5.5 (20 g/l, H₂O, 20 °C)
Bulk density530 kg/m3
Solubility22 g/l
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Storage class10 - 13 Egyéb folyadékok és szilárd anyagok
WGKWGK 1 enyhén vízszennyező
Disposal3
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.
Safety Information
Product Usage Statements
Storage and Shipping Information
Storage+2°C és +30°C között tárolandó.
Packaging Information
Transport Information
Supplemental Information
Specifications
Assay (perchloric acid titration, calculated on dried substance)99.0 - 101.0 %
Identity (IR-spectrum)passes test
Identity (specific rotation)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 to +36.0
Chloride (Cl)≤ 50 ppm
Sulfate (SO₄)≤ 50 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)≤ 50 ppm
Pb (Lead)≤ 10 ppm
Zn (Zinc)≤ 5 ppm
Ninhydrin-positive substances (LC)(Aspartic acid)≤ 0.5 %
Ninhydrin-positive substances (LC) (any other ninhydrin-positive impurity)≤ 0.3 %
Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities)≤ 0.8 %
Loss on drying (130 °C, 3 h)10.5 - 12.5 %
Global Trade Item Number
Katalógusszám GTIN
1015660100 04022536022833
1015661000 04022536022840
1015669010 04022536692647