甘氨酸

Product Name

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

Agency

USP/NF
reag. Ph. Eur.

质量水平

200

等级

puriss. p.a.

方案

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

表单

crystalline powder

技术

IR spectroscopy: suitable

杂质

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

灼烧残渣

≤0.05% (as SO₄)

缺失

≤0.5% loss on drying, 105°C, 2 h

pH值（酸碱度）

5.9-6.4 (20 °C, 5%)

pKa (25 °C)

(1) 2.35, (2) 9.60
2.35

mp

240 °C (dec.) (lit.)

痕量阴离子

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

痕量阳离子

Fe: ≤5 mg/kg

适用性

in accordance for identity (IR)

官能团

amine
carboxylic acid

SMILES字符串

NCC(O)=O

InChI

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

InChI key

DHMQDGOQFOQNFH-UHFFFAOYSA-N

基因信息

rat ... Grin2a(24409)