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33226

Glycine

Name: Glycine
Brand: SIAL

99.7-101% (calc. to the dried substance), crystalline powder, suitable for IR spectroscopy, puriss. p.a., reag. Ph. Eur., buffer substance

Synonyma:

Aminoacetic acid, Aminoethanoic acid, Glycocoll

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O této položce

Lineární vzorec:

NH₂CH₂COOH

Číslo CAS:

56-40-6

Molekulová hmotnost:

75.07

NACRES:

NA.21

PubChem Substance ID:

57648780

eCl@ss:

32160406

UNSPSC Code:

12352209

EC Number:

200-272-2

MDL number:

MFCD00008131

Beilstein/REAXYS Number:

635782

Technický servis

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Vlastnosti

Název produktu

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

Quality Segment

200

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

SMILES string

NCC(O)=O

InChI

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

InChI key

DHMQDGOQFOQNFH-UHFFFAOYSA-N

Gene Information

rat ... Grin2a(24409)

Popis

Application

Glycine can be used as:

A reactant in the natural soil clay-catalyzed cleavage and polycondensation with pyrogallol.
A catalyst in the Knoevenagel reaction between aryl aldehydes and malononitrile to form a C=C bond.
A reagent in the metal-free synthesis of biaryls from aryl sulfoxides and sulfonanilides via sigmatropic rearrangement.

Biochem/physiol Actions

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

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Skladovací třída

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c