1.04169

Glycine

buffer substance for electrophoresis

• Synonym(s): Gly, Aminoacetic acid, Aminoethanoic acid, Aminoacetic acid, Aminoethanoic acid, Glycocoll
• Linear Formula: NH₂CH₂COOH
• CAS Number: 56-40-6
• Molecular Weight: 75.07
• Beilstein: 635782
• MDL number: MFCD00008131
• UNSPSC Code: 41105305
• EC Index Number: 200-272-2
• NACRES: NC.01

Properties

• vapor pressure: 0.0000171 Pa ( 25 °C)
• Assay: ≥99.7% (perchloric acid titration)
• form: solid
• potency: 7930 mg/kg LD₅₀, oral (Rat)
• technique(s): electrophoresis: suitable
• pH: 5.9-6.4 (20 °C, 50 g/L in H₂O)
• pKa (25 °C): (1) 2.35, (2) 9.60; 2.35
• mp: 240 °C (dec.) (lit.)
• solubility: soluble 250 g/L
• density: 1.161 g/cm³ at 20 °C
• bulk density: 920 kg/m³
• storage temp.: 15-25°C
• SMILES string: NCC(O)=O
• InChI: 1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)
• InChI key: DHMQDGOQFOQNFH-UHFFFAOYSA-N

Description

Biochem/physiol Actions

Inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors.

Analysis Note

Assay (perchloric acid titration): ≥ 99.7 %
Identity (IR-spectrum): passes test
Chloride (Cl): ≤ 0.003 %
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.02 %
Foreign amino acids: ≤ 0.1 %
Other ninhydrine positive substances: ≤ 0.1 %
Suitability (as buffer substance for electrophoresis): passes test

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable