Product Identification Synonyms: 1,2-Benzenedicarboxylic acid monopotassium salt; potassium biphthalate; potassium hydrogen phthalate; Phthalic acid, potassium salt CAS No. When KHP and NaOH combine, a positive hydrogen ion leaves the KHC8H4O4 and a negative hydrogen atom leaves the NaOH. C8H5KO4. 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. It has the unwieldy formula of KHC8H4O4. Articles of Potassium hydrogen phthalate … Other . IDENTIFICATION. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information. KHP stands for potassium hydrogen phthalate, which has the chemical formula KHC8H4O4. ORL-RAT LD50 > 3200 mg kg-1, SKN-GPG LD50 > 1000 mg kg-1. Molar Mass: 204.22 g/mol. No predicted properties have been calculated for this compound. Line Formula: HOOCC 6 H 4 COOK. Alias: KHP. Formula and structure: The chemical formula of potassium hydrogen phosphate is K 2 HPO 4. 877-24-7 877-24-7・Potassium Hydrogen Phthalate・163-03822・167-03825[Detail Information] | [Common Chemicals & Lab Tools] |Laboratory Chemicals … 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. Product Name: Potassium Hydrogen Phthalate Product Number: All applicable American Elements product codes, e.g. Titration of NaOH with potassium hydrogen phthalate to determine the molarity of NaOH (Text reference for titration: 19.4) Titration is a common lab procedure that gives highly reproducible results for a variety of chemical analyses. 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. Occurrence. : 877-24-7 Product code : LC18690 Formula : C8H6O4K Synonyms : Potassium Acid Phthalate . And then as a weak acid hydrogen phthalate reacts reversibly with water to give hydronium (H3O+) and phthalate ions. Molecular Weight: 204.22. Synonym: Potassium hydrogen phthalate, KHP Formula: C 8 H 5 KO 4 Formula Wt. KHP is also a useful standard for total organic carbon (TOC) testing. Depending on the structure of the molecule the main layer may be followed by additional layers e.g. Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions. KHP dissociates completely in water, giving the potassium cation (K+) and hydrogen phthalate anion (HP− or Hphthalate−). It is the dipotassium salt of phosphoric acid (H 3 PO 4, which has three acidic protons). : ç Molecular Weight: 204.23 Chemical Formula: HOOC-C6H4COOK Product Codes: Misenite is another more complex form of potassium bisulfate with the formula K 8 H 6 (SO 4) 7. KHP dissociates completely in water, giving the potassium cation (K +) and hydrogen phthalate anion (HP − or Hphthalate −). POTASSIUM ACID PHTHALATE 1. 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 Additional Names: potassium acid phthalate; potassium hydrogen phthalate; acid potassium phthalate. 877-24-7. Phthalic acid monopotassium salt. 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. 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. 1.3. Other . [K+] Molecular Formula. for charge, stereo–chemical and/or isotopic information. For the latter, benzoquinone is suggested. KHP can be used as a buffering agent in combination with hydrochloric acid (HCl) or sodium hydroxide (NaOH) depending on which side of pH 4.0 the buffer is to be. Monopotassium phthalate. It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid. 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 1977. It also serves as a thermal standard in thermogravimetric analysis.[6]. 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. Molar Mass: 204.2212. Monopotassium phthalate. LabChem Inc Its melting point is 295 ̊C (563 ̊F), density 1.636 g/cm3. 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 Main Hazards: Irritant to eyes, skin, and respiratory system. A 0.5854 gram sample of KHP is dissolved in 34.21mL of water and titrated to the equivalence point with … Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in … $37.30. Potassium Hydrogen Phthalate AR: Synonym: Potassium Phthalate: CAS No. Potassium hydrogen phthalate (abbreviated as KHP) has the molecular formula KHC8H4O4 and a molar mass of 204? Potassium hydrogen phthalate. SECTION 1. KHP + H 2 O ⇌ K + + HP − And then as a weak acid hydrogen phthalate reacts reversibly with water to give hydronium (H 3 … Recommended use and restrictions on use . 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. Most TOC analyzers are based on the oxidation of organics to carbon dioxide and water, with subsequent quantitation of the carbon dioxide. Synonym: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate, Potassium phthalate monobasic Linear Formula: HOOCC 6 H 4 … It is soluble in water. This is often written in shorthand notation as KHP. Potassium hydrogen phthalate, NIST (R) SRM (R) 2185, pD standard Potassium phthalate monobasic, JIS special grade, 99.8-100.2% Potassium phthalate monobasic, puriss. KHC8H4O4 can be used for pH meter calibration or as a buffer agent. Thermogravimetry of potassium hydrogen phthalate and its use as a thermal standard. Potassium bisulfate is also used as a disintegrating agent in analytical chemistry or as a precursor to prepare potassium persulfate, a powerful oxidizing agent. Incompatible with strong oxidizing agents. Formula: C8H5KO4. Sort by. This is a neutralization reaction given by the following equation: NaOH(aq) + KHC8H4O4(aq) --> KNaC8H4O4(aq) + H2O(l) Potassium hydrogen phthalate. Potassium hydrogen phthalate CAS 877-24-7 for analysis EMSURE® Reag. Formula: KHC8H4O4. Acidity: (pKa) 5.4. 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. Stable. 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. CopyCopied, CSID:12839, http://www.chemspider.com/Chemical-Structure.12839.html (accessed 14:53, Jan 24, 2021) Linear Formula: 1-(HO 2 C)-2-(CO 2 K)-C 6 H 4: Solubility Information: 0.005% max. This main layer contains sublayers for the chemical formula, atom connections and hydrogen atoms. Potassium Biphthalate, Crystal, Reagent Grade, 500 g Item #882610. KHP has one acidic hydrogen. : 877-24-7 Notes: Used as a buffer for pH determination Storage Code: Green—general chemical storage. 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. Potassium hydrogen phthalate (abbreviated as KHP) has the molecular formula KHC8H4O4 and a molar mass of 204.22 g/mol. Potassium biphthalate. ... Hydrogen potassium phthalate. [3][4][5] It is also used as a primary standard for calibrating pH meters because, besides the properties just mentioned, its pH in solution is very stable. Molecular Formula: C 8 H 5 KO 4. "KHPh" redirects here. Percent Composition: C 47.05%, H 2.47%, K 19.15%, O 31.34%. Chemsrc provides Potassium hydrogen phthalate(CAS#:877-24-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Synonyms. CopyCopied, IWZKICVEHNUQTL-UHFFFAOYSA-M Purity of the Potassium … 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. OSHA Vacated PELs: Potassium hydrogen phthalate: No OSHA Vacated PELs are listed for this chemical. Ungraded products supplied by TCI America are gen KHC8H4O4 is a white solid at room temperature. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module. p.a., buffer substance, >=99.5% Potassium phthalate monobasic, Standard for quantitative NMR, TraceCERT (R) [Potassium Hydrogen Phthalate] .We manufacture and distribute chemical reagents for research use only or various antibodies. For the radio station KHPH in Hawaii, see, "KHP" redirects here. 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. Mercallite, the mineralogical form of potassium bisulfate, occurs very rarely. : 204.22 CAS No. 1.2. 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 ? 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. A titration is often used to determine the concentration of … Use of the substance/mixture : For laboratory and manufacturing use only. These two atoms combine with the oxygen from the NaOH to form H2O, which is the chemical formula for water. Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. Substance name : Potassium Hydrogen Phthalate CAS-No. : 877-24-7 Purity: ≥99.95% Packaging: 100, 500 g in poly bottle Molecular Formula C 8 H 5 KO 4; Average mass 204.221 Da; Monoisotopic mass 203.982498 Da; ChemSpider ID 12839 Supplier . c1ccc(c(c1)C(=O)O)C(=O)[O-]. Its molecular formula is HK 2 O 4 P, and its molar mass is 174.2 g/mol. 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