甘氨酸

InChI key

DHMQDGOQFOQNFH-UHFFFAOYSA-N

InChI

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

SMILES string

NCC(O)=O

assay

99-101% (based on anhydrous substance)

form

crystalline powder

quality

meets analytical specification of Ph. Eur., BP, USP

technique(s)

IR spectroscopy: suitable

impurities

hydrolyzable substances, complies, organic volatile impurities, complies (GC), residual solvents, complies, ≤0.001% heavy metals (as Pb), ≤1.0% ninhydrin-positive substances

ign. residue

≤0.1% (as SO₄)

loss

≤0.2% loss on drying, 105 °C, 2 h

color

white

pH

5.9-6.4 (20 °C, 5%)

pKa (25 °C)

(1) 2.35, (2) 9.60, 2.35

mp

240 °C (dec.) (lit.)

solubility

H₂O: soluble 25 gm in 100 ml at 25 degrees c, H₂O: soluble 39.1 gm in 100 ml at 50 degrees c, alcohol: soluble 0.06 gm in 100 gm (Absolute), pyridine: soluble 164 parts, alcohol: very slightly soluble, diethyl ether: very slightly soluble

anion traces

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

suitability

complies for appearance of solution, complies for reaction against H₂SO₄, in accordance for identity (IR)

Quality Level

200

Gene Information

rat ... Grin2a(24409)