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Potassium hydrogen phthalate - 99.99% metals basis, high purity , CAS No.877-24-7
Basic Description Synonyms Potassium hydrogen phthalate|877-24-7|Potassium biphthalate|Monopotassium phthalate|Phthalic acid monopotassium salt|Potassium phthalate monobasic|potassium;2-carboxybenzoate|POTASSIUM 2-CARBOXYBENZOATE|1,2-Benzenedicarboxylic acid, monopotassium salt|MFC Specifications & Purity 99.99% metals basis Shipped In Normal Grade PrimorTrace™ Product Description Potassium phthalate monobasic is the singly deprotonated form of phthalic acid, an o-carboxy benzoic acid. This compound is used as a primary standard for acid-base titration and for preparation of volumetric alkali solutions.
Names and Identifiers IUPAC Name potassium;2-carboxybenzoate INCHI 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 Canonical SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+] Isomeric SMILES C1=CC=C(C(=C1)C(=O)O)C(=O)[O-].[K+] WGK Germany 2 RTECS CZ4326000 PubChem CID 23676735 Molecular Weight 204.22 Beilstein 3637128
Chemical and Physical Properties Solubility Soluble in water (100 mg/ml), and alcohol (slightly). Sensitivity Moisture sensitive. Melt Point(°C) 295-300°C
Safety and Hazards(GHS) Pictogram(s) GHS07 Signal Warning Hazard Statements H315: Causes skin irritation
H319: Causes serious eye irritation
Precautionary Statements P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352: IF ON SKIN: wash with plenty of water.
P264: Wash hands [and …] thoroughly after handling.
P337+P313: IF eye irritation persists: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P332+P313: IF SKIN irritation occurs: Get medical advice/attention.
WGK Germany 2 RTECS CZ4326000 Merck Index 7612
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