PX1476
Potassium Hydrogen Phthalate
Meets ACS Specifications GR ACS
Synonym(s):
Potassium Hydrogen Phthalate, Potassium Biphthalate, Potassium Acid Phthalate
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About This Item
grade
ACS reagent
Quality Level
assay
99.95-100.05% dry basis
form
solid
impurities
≤0.002% Sulfur compounds (as S), ≤0.005% Insoluble matter
color
white
pH
4.0 (20 °C, 50 g/L in H2O)
mp
295-300 °C
solubility
80 g/L
anion traces
chloride (Cl-): 0.003%
cation traces
Fe: ≤5 ppm, Na: ≤0.005%, heavy metals (as Pb): ≤5 ppm
shipped in
ambient
storage temp.
room temp
SMILES string
[K+].[O-]C(=O)c1c(cccc1)C(=O)[O-].[H+]
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
Application
Analysis Note
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flash_point_f
387.1 °F - Pensky-Martens closed cup
flash_point_c
197.3 °C - Pensky-Martens closed cup
Storage Class
11 - Combustible Solids
wgk
WGK 1
Regulatory Information
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Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| PX1476-5 | 04061839432697 |
| PX1476-7 | 04061839432703 |
| PX1476-1 | 04061839432673 |
| PX1476-3 | 04061839432680 |