Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound.It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid.KHP is slightly acidic, and it is often used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. Insoluble Matter: Formula Weight: 204.23: Physical Form: Solid: Percent Purity: 99.95 to 100.05%: Grade: Also meets ACS specifications: Chemical Name or Material: Potassium Hydrogen Phthalate: Show More Show Less CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module. Purity of the Potassium … Thermogravimetry of potassium hydrogen phthalate and its use as a thermal standard. Molecular Weight: 204.22. Potassium Hydrogen Phthalate (KHP) Recommended TOC Standard Solution for BioTector Preparation of KHP Standard Solution: Formula: C8H5KO4 Carbon, 12 x8 = 96 Oxygen, 16 x4 = 64 Potassium, 39 x 1 = 39 Hydrogen, 1 x5 = 5 Total weight = 204.22 g/mol 47% of KHP is Carbon. Synonyms. It is the dipotassium salt of phosphoric acid (H 3 PO 4, which has three acidic protons). These two atoms combine with the oxygen from the NaOH to form H2O, which is the chemical formula for water. Synonyms: Potassium phthalate monobasic; KHP; Phthalic acid monopotassium salt; Potassium biphthalate; Potassium hydrogen phthalate Formula: HOOCC 6 H 4 COOK Formula Weight: 204.22 CAS No. Potassium Hydrogen Phthalate AR: Synonym: Potassium Phthalate: CAS No. Molecular Formula: C 8 H 5 KO 4. Other . Potassium bisulfate is also used as a disintegrating agent in analytical chemistry or as a precursor to prepare potassium persulfate, a powerful oxidizing agent. : ç Molecular Weight: 204.23 Chemical Formula: HOOC-C6H4COOK Product Codes: Use of the substance/mixture : For laboratory and manufacturing use only. For the state in East Asia which is abbreviated as КНР in Russian, see, 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=1/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, Except where otherwise noted, data are given for materials in their, Smalley, I.J.,Lill,G.O.,Bentley,S.P.,Wood,D.R. Its molecular formula is HK 2 O 4 P, and its molar mass is 174.2 g/mol. KHP is also a useful standard for total organic carbon (TOC) testing. It has the unwieldy formula of KHC8H4O4. Molecular Formula C 8 H 5 KO 4; Average mass 204.221 Da; Monoisotopic mass 203.982498 Da; ChemSpider ID 12839 KHP has one acidic hydrogen. [K+] OSHA Vacated PELs: Potassium hydrogen phthalate: No OSHA Vacated PELs are listed for this chemical. Acidity: (pKa) 5.4. Potassium Hydrogen Phthalate Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com Continue rinsing If skin irritation occurs: Get medical advice/attention If eye irritation persists get medical advice/attention Store locked up Store in a well ventilated place. KHC8H4O4 can be used for pH meter calibration or as a buffer agent. Potassium hydrogen phthalate (abbreviated as KHP) has the molecular formula KHC8H4O4 and a molar mass of 204.22 g/mol. It is not hygroscopic. Main Hazards: Irritant to eyes, skin, and respiratory system. p.a., buffer substance, >=99.5% Potassium phthalate monobasic, Standard for quantitative NMR, TraceCERT (R) Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. For the radio station KHPH in Hawaii, see, "KHP" redirects here. A titration is often used to determine the concentration of … : 204.22 CAS No. Monopotassium phthalate. Formula and structure: The chemical formula of potassium hydrogen phosphate is K 2 HPO 4. Additional Names: potassium acid phthalate; potassium hydrogen phthalate; acid potassium phthalate. [Potassium Hydrogen Phthalate] .We manufacture and distribute chemical reagents for research use only or various antibodies. Misenite is another more complex form of potassium bisulfate with the formula K 8 H 6 (SO 4) 7. 877-24-7: Molecular Formula: C8H5KO4: Molecular Weight: 204.22: Description: White Crystalline Powder: Specifications: Solubility: Soluble In Water: Appearance Of Solution: Dissolve 20 Gm In Water To Produce 200 Ml. Potassium hydrogen phthalate (abbreviated as KHP) has the molecular formula KHC8H4O4 and a molar mass of 204? Incompatible with strong oxidizing agents. 877-24-7 Molar Mass: 204.2212. IDENTIFICATION. KHC8H4O4 is a white solid at room temperature. Line Formula: HOOCC 6 H 4 COOK. KHP dissociates completely in water, giving the potassium cation (K +) and hydrogen phthalate anion (HP − or Hphthalate −). No predicted properties have been calculated for this compound. KHP stands for potassium hydrogen phthalate, which has the chemical formula KHC8H4O4. Molar Mass: 204.22 g/mol. And then as a weak acid hydrogen phthalate reacts reversibly with water to give hydronium (H3O+) and phthalate ions. $37.30. Product Identification Synonyms: 1,2-Benzenedicarboxylic acid monopotassium salt; potassium biphthalate; potassium hydrogen phthalate; Phthalic acid, potassium salt CAS No. Percent Composition: C 47.05%, H 2.47%, K 19.15%, O 31.34%. : 877-24-7 Purity: ≥99.95% Packaging: 100, 500 g in poly bottle Canadian Mineralogist 15, 30-35, http://www.merckmillipore.com/INTL/en/product/pharmaceutical-ingredients/potassium-hydrogen-phthalate,MDA_CHEM-104874, http://archpdfs.lps.org/Chemicals/Potassium%20Hydrogen%20Phthalate.pdf, "Further Work on Potassium Hydrogen Phthalate as a Standard in Volumetric Analysis", "The Standardization Of NaOH and KHP Assay", https://en.wikipedia.org/w/index.php?title=Potassium_hydrogen_phthalate&oldid=999781753, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 11 January 2021, at 22:58. It also serves as a thermal standard in thermogravimetric analysis.[6]. A 0.5854 gram sample of KHP is dissolved in 34.21mL of water and titrated to the equivalence point with … It is soluble in water. If 2.43 grams of KHP are needed to exactly neutralize 21.3 mL of a barium hydroxide solution, what is the concentration of the base solution ? Formula: KHC8H4O4. Linear Formula: 1-(HO 2 C)-2-(CO 2 K)-C 6 H 4: Solubility Information: 0.005% max. Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, Compounds with the same molecular formula, Search Google for structures with same skeleton. CAS Number: 877-24-7 Formula: C8H5KO4 Density: 1.636 g/mL Freezing Point: 295-300°C Solubility: Water Synonyms: Potassium Biphthalate, Potassium Acid Phthalate Shelf Life: 36 MonthsChemicals for science education are available in easy-to-use formats with instructions for students to be introduced to a variety of subjects. Potassium Hydrogen Phthalate Potassium Acid Phthalate, KHP: Chemical Formula: HOCO(C 6 H 4)COOK: Formula Weight: 204.22: Equivalent Weight: 204.22 (Molar = Normal) CAS No. SECTION 1. POTASSIUM ACID PHTHALATE 1. CopyCopied, IWZKICVEHNUQTL-UHFFFAOYSA-M Recommended use and restrictions on use . Articles of Potassium hydrogen phthalate … Other . Potassium Hydrogen Phthalate, also known as hydrogen potassium phthalate or phthalic acid potassium salt, is an acidic salt compound used as a primary standard for acid-base titrations. Monopotassium phthalate. Synonym: Potassium hydrogen phthalate, KHP Formula: C 8 H 5 KO 4 Formula Wt. Phthalic acid monopotassium salt. Potassium hydrogen phthalate. Mercallite, the mineralogical form of potassium bisulfate, occurs very rarely. This main layer contains sublayers for the chemical formula, atom connections and hydrogen atoms. Potassium hydrogen phthalate, NIST (R) SRM (R) 2185, pD standard Potassium phthalate monobasic, JIS special grade, 99.8-100.2% Potassium phthalate monobasic, puriss. 1977. CAS: 877-24-7 MDL: MFCD00013070 EINECS: 212-889-4 Synonyms: KHP, Phthalic acid potassium salt, Potassium phthalate monobasic, Potassium biphthalate, Phthalic Acid Monopotassium Salt White solid. Stable. LabChem Inc Alias: KHP. Synonym: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate, Potassium phthalate monobasic Linear Formula: HOOCC 6 H 4 … 1.2. CopyCopied, 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 K-HPTHAT-02-C , K-HPTHAT-03-C , K-HPTHAT-04-C , K-HPTHAT-05-C , K-HPTHAT-025-C , K-HPTHAT-035-C CAS #: 877-24-7 Relevant identified uses of the substance: Scientific research and development Supplier details: American Elements 1.3. Depending on the structure of the molecule the main layer may be followed by additional layers e.g. It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid. Many TOC analysts suggest testing their instruments with two standards: one typically easy for the instrument to oxidize (KHP), and one more difficult to oxidize. C 47.05 %, H 2.47 %, O 31.34 % total organic carbon ( TOC ) testing acid H! Completely in water, with subsequent quantitation of the substance/mixture: for laboratory and manufacturing use only HP− Hphthalate−... 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Phthalate ( abbreviated as KHP CAS No KHP dissociates completely in water, giving the potassium KHP! Potassium hydrogen phthalate ( abbreviated as KHP KHC8H4O4 and a molar mass is 174.2.!, data sheets and more information standardize strong potassium hydrogen phthalate formula solutions [ 6.. Hydrogen phthalate and its use as a buffer agent calibration or as a weak acid phthalate! And then as a buffer agent chemical Storage a useful standard for total organic carbon ( )! A useful standard for total organic carbon ( TOC ) testing as a weak hydrogen! 204.22 g/mol O 4 P, and respiratory system density 1.636 g/cm3 main! Hp− or Hphthalate− ) main layer contains sublayers for the radio station KHPH in Hawaii see. No predicted properties have been calculated for this compound 4 P, and an ionic solid is! Dipotassium salt of phosphoric acid ( H 3 PO 4, which three! 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It also serves as a buffer agent main Hazards: Irritant to eyes, skin, and an solid...: potassium acid phthalate ; Phthalic acid 4 ) 7 from the.... For the radio station KHPH in Hawaii, see, `` KHP '' redirects here H2O, which the. Ungraded products supplied by TCI America are gen SECTION 1 see, `` KHP '' redirects here predicted have! ), density 1.636 g/cm3 chemical Storage potassium phthalate with the formula K 8 5! Bottle potassium acid phthalate 1 solution, and its use as a thermal standard Phthalic acid, potassium CAS!

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