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56982

Potassium phthalate monobasic

suitable for HPLC, LiChropur™, 99.5-100.5% (HPLC)

Synonym(s):

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

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About This Item

Linear Formula:
HOOCC6H4COOK
CAS Number:
877-24-7
Molecular Weight:
204.22
UNSPSC Code:
41116105
Beilstein/REAXYS Number:
3637128
MDL number:
MFCD00013070
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assay

99.5-100.5% (HPLC)

form

solid

quality

LiChropur™

technique(s)

HPLC: suitable

loss

≤0.5% loss on drying

pH

3.0-5.0

mp

295-300 °C (dec.) (lit.)

solubility

H2O: 10 applications on large gels, clear, colorless (hot)

λ

10 % in H2O (hot)

UV absorption

λ: 330 nm Amax: ≤0.05, λ: 340 nm Amax: ≤0.03, λ: 350 nm Amax: ≤0.02, λ: 500 nm Amax: ≤0.02

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

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

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Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

387.1 °F - Pensky-Martens closed cup

flash_point_c

197.3 °C - Pensky-Martens closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG9112
BCCB2254

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