Glycine

Product Name

Glycine, puriss. p.a., reag. Ph. Eur., buffer substance, 99.7-101% (calc. to the dried substance)

InChI key

DHMQDGOQFOQNFH-UHFFFAOYSA-N

InChI

1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)

SMILES string

NCC(O)=O

agency

USP/NF
reag. Ph. Eur.

grade

puriss. p.a.

assay

99.7-101% (calc. to the dried substance)

form

crystalline powder

technique(s)

IR spectroscopy: suitable

impurities

≤0.001% heavy metals (as Pb)
≤0.02% ammonium (NH₄)
≤0.1% water (Karl Fischer)
≤1.0% ninhydrin-positive substances

ign. residue

≤0.05% (as SO₄)

loss

≤0.5% loss on drying, 105°C, 2 h

pH

5.9-6.4 (20 °C, 5%)

pKa (25 °C)

(1) 2.35, (2) 9.60
2.35

mp

240 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤30 mg/kg
sulfate (SO₄^2-): ≤20 mg/kg

cation traces

Fe: ≤5 mg/kg

suitability

in accordance for identity (IR)

functional group

amine
carboxylic acid

Quality Level

200

Gene Information

rat ... Grin2a(24409)