L-Cysteine Hydrochloride Monohydrate For Biochemistry 100 Gr (Biyokimya İçin L-Sistein Hidroklorür Monohidrat) CAS: 7048-04-6

L-Cysteine Hydrochloride Monohydrate For Biochemistry 100 Gr (Biyokimya İçin L-Sistein Hidroklorür Monohidrat) CAS: 7048-04-6

Kategori
Diğer Analitik Kimyasallar
Marka
Merck
Stok Kodu
102839.0100
Teklif İste
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3 Günde Kargoda
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L-Cysteine Hydrochloride Monohydrate For Biochemistry 100 Gr (Biyokimya İçin L-Sistein Hidroklorür Monohidrat) CAS: 7048-04-6
 
Description
Catalogue Number 102839
Synonyms Cys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate
Product Information
CAS number 7048-04-6
EC number 200-157-7
Hill Formula C₃H₈ClNO₂S * H₂O
Molar Mass 175.64 g/mol
HS Code 2930 90 16
Structure formula Image Structure formula Image
Quality Level
Physicochemical Information
Density 1.54 g/cm3
Melting Point 64 °C
pH value 0.8 - 1.2 (100 g/l, H₂O, 20 °C)
Vapor pressure <0.1 hPa (20 °C)
Bulk density 780 kg/m3
Solubility 650 g/l
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H319: Causes serious eye irritation.
Precautionary Statement(s) P264: Wash skin thoroughly after handling.
P280: Wear eye protection/ face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word Warning
RTECS HA2285000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
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.
Storage and Shipping Information
Storage Store below +30°C.
Specifications
Assay (alkalimetric, calculated on dried substance) 98.5 - 101.0 %
Identity (IR-spectrum) passes test
Identity (Chloride) passes test
Appearance white or almost white, crystalline powder or colorless crystals
Appearance of solution (25 g/l, water) clear and not more intense in color than reference solution BY6
Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance) +5.5 to +7.0
Spec. rotation (α 25/D, 80 g/l, hydrochloric acid 6 mol/l, calc. on dried substance) +5.7 to +6.8
Sulfate (SO₄) ≤ 300 ppm
Heavy metals (as Pb) ≤ 10 ppm
Fe (Iron) ≤ 20 ppm
Related Compounds, total (TLC) ≤ 0.5 %
Ninhydrin-positive substances (LC) (impurity A (570 nm)) ≤ 0.5 %
Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity) ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)) ≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities) ≤ 1.0 %
Residual solvents (ICH Q3C) excluded by manufacturing process
Sulfated ash (600 °C) ≤ 0.1 %
Loss on drying (Vacuum < 0.7 kPa, P₂O₅, 24 h) 8.0 - 12.0 %
Bacterial endotoxins ≤ 6.0 I.U./g
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L-Cysteine Hydrochloride Monohydrate For Biochemistry 100 Gr (Biyokimya İçin L-Sistein Hidroklorür Monohidrat) CAS: 7048-04-6 Merck Kimyasallar, Analitik Kimyasallar, Laboratuvar Kimyasalları, İthal Kimyasallar çeşitleri ve daha birçok laboratuvar malzemesi için Tıkla 102839.0100
L-Cysteine Hydrochloride Monohydrate For Biochemistry 100 Gr (Biyokimya İçin L-Sistein Hidroklorür Monohidrat) CAS: 7048-04-6

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