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25506

Potassium L-tartrate monobasic

Name: Potassium <SC>L</SC>-tartrate monobasic
Brand: SIAL

puriss., meets analytical specification of Ph.Eur., BP, FCC, 99.5-100.5% (related to dried substance)

Synonym(s):

Potassium bitartrate, L-(+)-Tartaric acid monopotassium salt, Potassium hydrogen L-tartrate

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About This Item

Empirical Formula (Hill Notation):

C₄H₅KO₆

CAS Number:

868-14-4

Molecular Weight:

188.18

UNSPSC Code:

51113400

NACRES:

NA.22

PubChem Substance ID:

57648124

EC Number:

212-769-1

Beilstein/REAXYS Number:

6119985

MDL number:

MFCD00065392

Assay:

99.5-100.5% (related to dried substance)

Form:

powder

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Properties

grade

puriss.

Quality Level

200

assay

99.5-100.5% (related to dried substance)

form

powder

optical activity

[α]20/D +8.0 to +9.2°

quality

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

impurities

residual solvents, in accordance, ≤0.001% heavy metals (as Pb), ≤0.05% oxalic acid

loss

≤0.2% loss on drying, 105 °C

anion traces

chloride (Cl^-): ≤500 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg

cation traces

As: ≤1 mg/kg, Pb: ≤10 mg/kg

application(s)

pharmaceutical (small molecule)

functional group

carboxylic acid, hydroxyl

SMILES string

[K+].O[C@H]([C@@H](O)C([O-])=O)C(O)=O

InChI

1S/C4H6O6.K/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/q;+1/p-1/t1-,2-;/m1./s1

InChI key

KYKNRZGSIGMXFH-ZVGUSBNCSA-M

Description

Application

Potassium L-tartrate monobasic can be used as a reducing agent to synthesize:

Gold, palladium, silver and platinum nanoparticles from their salts.
Polyvinylpyrrolidone capped platinum (PVP-Pt) nanoparticles from chloroplatinic acid and PVP.

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

410.0 °F

flash_point_c

210 °C

ppe

Eyeshields, Gloves, type N95 (US)

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pH dependent photocatalytic hydrogen evolution by self-assembled perylene bisimides.

Nolan MC, et al.

Journal of Material Chemistry A, 5(16), 7555-7563 (2017)

Fabrication of gold nanoparticles using a trithiol (thiocyanuric acid) as the capping agent.

Tan Y, et al.

Langmuir, 18(8), 3392-3395 (2002)

Preparation of gold, platinum, palladium and silver nanoparticles by the reduction of their salts with a weak reductant-potassium bitartrate.