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
InChI key
IWZKICVEHNUQTL-UHFFFAOYSA-M
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
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
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Legal Information
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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