L-Alanine CAS:56-41-7

L-Alanine (L-Alanine) is a naturally occurring amino acid with the chemical formula C₃H₇NO₂, a molecular weight of 89.09 and a melting point of 297°C. It is a polar amino acid. Its structure contains an amino group and a carboxyl group and is a polar amino acid. Physical Properties
L-Alanine is a colourless to white crystalline powder with a density of 1.432 g/cm³, soluble in water and ethanol, insoluble in ether and acetone.

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Model:
56-41-7
Brand:
bosschemical
Code:
56-41-7

Product Description

L-Alanine Basic information
Description References
Product Name:	L-Alanine
CAS:	56-41-7
MF:	C3H7NO2
MW:	89.09
EINECS:	200-273-8
Mol File:	56-41-7.mol
L-Alanine Structure
L-Alanine Chemical Properties
Melting point	314.5 °C
alpha	14.5 º (c=10,6N HCl,dry sub.)
Boiling point	212.9±23.0 °C(Predicted)
density	1,432 g/cm3
FEMA	3818 \| DL-ALANINE
refractive index	1.4650 (estimate)
storage temp.	2-8°C
solubility	H2O: 100 mg/mL
pka	2.34(at 25℃)
form	powder
color	White to almost white
PH	5.5-6.5 (100g/l, H2O, 20℃)
optical activity	[α]20/D +14.0±1°, c = 5% in 5 M HCl
Water Solubility	166.5 g/L (25 ºC)
λmax	λ: 260 nm Amax: ≤0.03
λ: 280 nm Amax: ≤0.02
Merck	14,204

Item	USP24	FCC4	industrial grade
Assay	98.5~101.5%	98~100.0%	≥98%
pH	5.5~7.0	5.5~7.0	5.7~6.7
Specific rotation[a]D020		+14.3°~+15.2°	+14.3°~+15.2°
[a]D025	+13.5°~+15.5°
Chloride(Cl)	≤0.05%
Sulfate(SO4)	≤0.03%
Iron(Fe)	≤30ppm
Heavy metals(Pb)	≤15ppm	≤15ppm	≤30ppm
Loss on drying	≤0.20%	≤0.20%	≤0.50%
Residue on ignition	≤0.15%	≤0.15%
Organic volatile impurities	meets the requirements