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179922

Potassium phthalate monobasic

Name: Potassium phthalate monobasic
Brand: SIAL

ACS reagent grade, 99.95-100.05% dry basis, crystals, acidimetric standard

동의어(들):

KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:

HOOCC₆H₄COOK

CAS 번호:

877-24-7

Molecular Weight:

204.22

NACRES:

NA.21

PubChem Substance ID:

24850834

UNSPSC Code:

12352100

EC Number:

212-889-4

MDL number:

MFCD00013070

Beilstein/REAXYS Number:

3637128

Assay:

99.95-100.05% dry basis

Grade:

ACS reagent

Form:

crystals

Solubility:

water: soluble (93 g/l at 30 °C (86 °F))

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속성

제품 이름

Potassium phthalate monobasic, ACS reagent, acidimetric standard

grade

ACS reagent

Quality Level

200

assay

99.95-100.05% dry basis

form

crystals

quality

acidimetric standard

impurities

≤0.002% S compounds, ≤0.003% Cl compounds, ≤0.005% insolubles

pH

4.00-4.02 (25.0 °C±0.2 °C, 0.05 M)

mp

295-300 °C (dec.) (lit.)

solubility

water: soluble (93 g/l at 30 °C (86 °F))

anion traces

chlorine and bromine (as Cl^-): ≤0.003%, sulfur compounds (as SO₄^2-): ≤0.002%

cation traces

Fe: ≤5 ppm, Na: ≤0.005%, heavy metals: ≤5 ppm (by ICP)

functional group

carboxylic acid

SMILES string

[K+].OC(=O)c1ccccc1C([O-])=O

InChI

1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1

InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M

설명

Application

Potassium phthalate monobasic may be used as a primary standard in acidimetric titration and also to prepare potassium phthalate buffer solution for pH calibration.

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저장 등급

11 - Combustible Solids

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국제 무역 품목 번호

SKU	GTIN
179922-500G	04061838754547
179922-100G	04061838754523
179922-1KG	04061838754530