L(+)-Asparagine monohydrate 5794-13-8

(S)-(+)-ASPARAGINE MONOHYDRATE;(S)-2-AMINOSUCCINIC ACID 4-AMIDE MONOHYDRATE;ASPARAGINIC ACID SEMIAMIDE;ASPARAGINIC ACID SEMIAMIDE MONOHYDRATE;ASPARAGINE MONOHYDRATE;ASPARAGINE H2O;H-ASN-OH H2O;H-L-ASN-OH H2O

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Model:
5794-13-8
Brand:
bosschemical
Code:
5794-13-8

Product Description

L(+)-Asparagine monohydrate Basic information
Product Name:	L(+)-Asparagine monohydrate
CAS:	5794-13-8
MF:	C4H10N2O4
MW:	150.13
EINECS:	611-593-6
Mol File:	5794-13-8.mol
L(+)-Asparagine monohydrate Chemical Properties
Melting point	233-235 °C(lit.)
alpha	35 º (c=10, 6N HCl)
Boiling point	271.66°C (rough estimate)
density	1,543 g/cm3
refractive index	31 ° (C=10, HCl)
storage temp.	2-8°C
solubility	H2O: 20 mg/mL
form	powder
color	White to Off-white
PH	4.0-5.5 (20g/l, H2O, 20℃)
Water Solubility	30 g/L (20 ºC)
Merck	14,837
BRN	5767869
CAS DataBase Reference	5794-13-8(CAS DataBase Reference)

COA：

Item	Specification	Result
Appearance	White crystals or crystalline powder	Conforms
Specific rotation [α]D²⁰	+34.2°to +36.5°	+35.0°
State of solution	Not less than 98.0%	98.7%
Chloride(Cl)	Not more than 0.020%	Conforms
Ammonium(NH4)	Not more than 0.10%	Conforms
Sulfate(SO4)	Not more than 0.020%	Conforms
Iron(Fe)	Not more than 10ppm	Conforms
Heavy metals(Pb)	Not more than 10ppm	Conforms
Arsenic(As2O3)	Not more than 1ppm	Conforms
Other amino acids	Meets the requirements	Conforms
Loss on drying	11.5 to 12.5%	11.9%
Residue on ignition	Not more than 0.10%	0.05%
Assay	99.0 to 101.0%	99.3%
pH	4.4 to 6.4	5.0
Conclusion :	The products Conforms to AJI92

公司信息

L(+)-Asparagine monohydrate 5794-13-8 C4H10N2O4

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Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis