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特別 提示
CAS Number 877-24-7
Linear Formula HOOCC6H4COOK
Molecular Weight 204.22
Beilstein Registry Number 3637128
EC Number 212-889-4
MDL number MFCD00013070
PubChem Substance ID 329758904
| Related Categories | Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, O-P, Puriss p.a., |
| InChI Key |
IWZKICVEHNUQTL-UHFFFAOYSA |
| grade | puriss. p.a. |
| assay | ≥99.5% (T) |
| pH | 4 |
| mp | 295-300 °C (dec.)(lit.) |
| anion traces | chloride (Cl-): ≤20 mg/kg |
| sulfate (SO42-): ≤50 mg/kg |
Potassium phthalate monobasic (KHP) is the monopotassium salt of pthalic acid. It has been proposed as a certified reference material (CRM) under ISO/IEC 17025 and ISO Guide 34 accreditation. Its spectral shift, multiplicity, solubility and relaxation times in different solvents have been reported.
