p-toluenesulfonic acid sodium level test

    p-Toluenesulfonic acid monohydrate, ACS reagent, ≥98.5% .

    p-Toluenesulfonic acid monohydrate, an oxonium salt, is an inexpensive and easy to handle organic catalyst used in organic synthesis. The study of its crystalline structure shows that it is monoclinic with P 2 1 / c space group.

    p-Toluenesulfonic acid monohydrate, ACS reagent, ≥98.5% .

    General description p-Toluenesulfonic acid monohydrate, an oxonium salt, is an inexpensive and easy to handle organic catalyst used in organic synthesis. The study of its crystalline structure shows that it is monoclinic with P2 1 /c space group. Its solubility in aqueous sulfuric acid solutions has been studied.

    P-Toluenesulfonic Acid Synthesis

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    p-Toluenesulfonic acid | 104-15-4

    p-Toluenesulfonic acid Chemical Properties,Uses,Production Overview p-toluene sulfonic acid (Its molecular structural formula is p-CH3C6H4SO3H, also known as TsOH, English name is p-toluene sulfonic acid) referred to as PTS, is a non-oxidizing organic acid, white needle or powder crystals, soluble in water, alcohols, ethers and other polar solvents.

    Author: Subject: Sodium p-toluenesulfonic acid

    Jan 09, 2012· Sodium p-toluenesulfonic acid I recently had some more success with my synthesis of toluene esulfonic acid; after refluxing 25ml each of concentrated sulfuric acid and toluene for two hours I had a clear, amber liquid. To prepare the sodium salt, a book I have says to dump the still-warm reaction mix into 100 ml of distilled water and add 15g .

    Toluene-4-sulfonic acid monohydrate | Sigma-Aldrich

    Toluene-4-sulfonic acid monohydrate for analysis EMSURE® ACS Synonym: p-Toluenesulfonic acid, Tosylic acid, Tosic acid, PTSA CAS Number 6192-52-5. Empirical Formula (Hill Notation) C 7 H 8 O 3 S · xH 2 O . Molecular Weight 172.20 (anhydrous basis) EC Index Number 016-030-00-2

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    Sodium Toluenesulfonate, Sodium . -

    Plant Sodium P-Toluene Sulfonic acid/657-84-1 /STS 78%Min Name p-Toluenesulfonic acid sodium salt Alias Sodium p-toluene sulfonic acid M.F. C 7 H 7 S0 3 Na CAS 657-84-1 M.W. 211-522-5 HS Code 2904100000 Specification Item Index Active matter ≥ % 78.00 88.00 98.00 Moisture ≤ % 14.00 10.00 9.00 Chloride ≤ % 2.00 1.80 1.50 PH (1% solution) 7-12 7-12 7-12 Uses The …

    Analysis of Benzenesulfonic Acid and P-Toluenesufonic Acid .

    a drug substance or a drug product and meets the sensitivity level required for a pharmaceutical product with a maximum daily dose of 2500 mg or less, which is adequate for most commercially available pharmaceuticals. . and p-toluenesulfonic acid standards (1 ppm) are shown for reference.

    p toluenesulfonic acid monohydrate, p toluenesulfonic acid .

    p toluenesulfonic acid monohydrate, Wholesale Various High Quality p toluenesulfonic acid monohydrate Products from Global Sodium Tripolyphosphate Suppliers and p toluenesulfonic acid monohydrate Factory,Importer,Exporter at Okchem.

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    Toluene-4-sulfonic acid monohydrate CAS 6192-52-5 | 109613

    Synonyms: p-Toluenesulfonic acid, Tosylic acid, Tosic acid, PTSA EC Number: 203-180-0 CAS #: 6192-52-5 Chemical Formula: CH₃C₆H₄SO₃H * H₂O Hill Formula: C₇H₈O₃S * H₂O Grade: ACS Molar Mass: …

    Determination of p-Toluenesulfonic Acid in Water-Insoluble .

    sensitive determination of p-toluenesulfonic acid in water-insoluble drugs Introduction p-Toluenesulfonic acid—an aromatic organic acid also known as tosylic acid—is widely used in the pharmaceutical industry as a counterion for basic drugs because of its strong acidic and hydrophilic properties.

    Author: Subject: Sodium p-toluenesulfonic acid

    Jan 09, 2012· Sodium p-toluenesulfonic acid I recently had some more success with my synthesis of toluene esulfonic acid; after refluxing 25ml each of concentrated sulfuric acid and toluene for two hours I had a clear, amber liquid.

    Substance Name: Sodium p-tolyl sulfonate - ChemIDplus

    p-Toluenesulfonic acid sodium salt. para-Toluenesulfonic acid, sodium salt. Sodium 4-methylbenzenesulfonate. Sodium p-methylbenzenesulfonate. Sodium p-toluenesulfonate. Sodium p-tolyl sulfonate. Sodium p-tolylsulfonate. Sodium paratoluene sulphonate. . Test Type Route Reported Dose (Normalized Dose) Effect Source; mouse: LD50: intravenous:

    A Sensitive and Simple HPLC-UV Method for Trace Level .

    Sep 20, 2011· A sensitive and simple HPLC/UV method has been developed and validated for the determination of two potential genotoxic impurities, namely methyl p-toluenesulfonate (MPTS) and ethyl p-toluenesulfonate (EPTS) at trace levels in Pemetrexed sodium API.Applying the concept of threshold of toxicological concern (TTC), a limit of 3 ppm each for both genotoxins was calculated based on the …

    ON ESTERS OF p-TOLUENESULFONIC ACID | The Journal of .

    Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days. Citations are the number of other articles citing this .

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    p-Toluenesulfonic acid - Wikipedia

    p-Toluenesulfonic acid (PTSA or pTsOH) or tosylic acid (TsOH) is an organic compound with the formula CH 3 C 6 H 4 SO 3 H. It is a white solid that is soluble in water, alcohols, …

    p-TOLUENE SULFONIC ACID MATERIAL SAFETY DATA SHEET …

    Page 1 of 6 p-TOLUENE SULFONIC ACID SODIUM SALT CAS No 657-84-1 MATERIAL SAFETY DATA SHEET SDS/MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking

    p-TOLUENESULFONIC ACID 5043

    p-TOLUENESULFONIC ACID: METHOD 5043, Issue 1, dated 15 January 1998 - Page 3 of 4 NIOSH Manual of Analytical Methods (NMAM), Fourth Edition C W B V, mg/m3 Prepare three filters at each of five concentration levels plus three media blanks.

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    Sodium p-toluenesulfonate | AMERICAN ELEMENTS

    About Sodium p-toluenesulfonate Sodium p-toluenesulfonate is a toluenesulfonate ester used in organic chemical reactions as an alkylating agent, non-oxidizing catalyst, intermediate for the synthesis of biologically active compounds, and supporting electrolyte for depositing polypyrrole membranes.

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    Organic Compounds : Toluenesulfonic Acid Sodium Salt

    Laboratory equipment and supplies, including Toluenesulfonic Acid Sodium Salt. Choose from 250,000 laboratory supplies.

    p-Toluenesulfonic Acid | Fisher Scientific

    Chlorine and pH Test Kits and Test Strips; Combination Ion Selective Electrodes; Dissolved Oxygen and BOD Probes; Electrochemistry; Electrodes and Accessories; Micro pH Electrodes; . p-Toluenesulfonic Acid; p-Toluenesulfonic Acid 1 – 30 1132 . Interest Areas. Life Science .

    657-84-1 - p-Toluenesulfonic acid sodium salt, 90 .

    GHS Hazard and Precautionary Statements. Hazard Statements: H319-H500 Causes serious eye irritation. May form combustible dust concentrations in air Precautionary Statements: P264b-P280i-P305+P351+P338-P337+P313 Wash face, hands and any exposed skin thoroughly after handling Wear eye/face protection.

    4-toluenesulfonic acid | Sigma-Aldrich

    Search results for 4-toluenesulfonic acid at Sigma-Aldrich. Compare Products: Select up to 4 products. *Please select more than one item to compare

    Novel sulfonated carbonaceous materials from p .

    Novel sulfonated carbonaceous materials from p-toluenesulfonic acid/glucose as a high-performance solid-acid catalyst Baohua Zhang, Jiawen Ren*, Xiaohui Liu, Yun Guo, Yanglong Guo, Guanzhong Lu, Yanqin Wang* Laboratory for Advanced Materials, Research Institute of Industrial Catalysis, East China University of Science and Technology, Shanghai 200237, PR China

    CN104502520A - Method for determining content of p .

    The invention discloses a method for determining content of p-toluenesulfonic acid in a butyl acrylate reaction kettle. The method for determining the content of p-toluenesulfonic acid in the butyl acrylate reaction kettle comprises the following steps: adding absolute alcohol and a phenolphthalein indicator into a triangular flask, titrating to be reddish with a sodium hydroxide solution .

    p-toluenesulfonic acid (PTSA), Caustic soda, Calcium Chloride

    Phosphoric Acid P-Toluenesulfonic Acid (PTSA) Soda Ash Light & Dense Sodium Bicarbonate Sodium Hexametaphosphate (SHMP) Sodium Metabisulfite Sodium Metasilicate Sodium P-toluenesulfonate 78% Sodium Silicate Sodium Thiosulphate Sodium Tripolyphosphate (STPP) Trisodium Phosphate (TSP) Leather & Textile Auxiliaries Basic Chromium Sulphate (BCS .

    Sodium toluene-4-sulfonate ≥99% | VWR

    Sodium toluene-4-sulfonate ≥99% Supplier: SPECTRUM CHEMICAL MFG CORP Synonyms: Toluene-4-sulfonic acid sodium salt, p-Toluenesulphonic acid sodium salt, Sodium p-toluenesulphonate, Sodium p-toluenesulfonate, Toluene-4-sulphonic acid sodium salt, p-Toluenesulfonic acid sodium …

    Portmess STAR Molecules Flashcards | Quizlet

    Start studying Portmess STAR Molecules. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. . Sodium amide (sodamide) m-Chloroperoxybenzoic acid (m-CPBA) pyridine. . p-Toluenesulfonic acid (Tosic acid; TsOH) Methyl vinyl ketone (MVK) Acid chloride. Sodium …

    A Sensitive and Simple HPLC-UV Method for Trace Level .

    Sep 20, 2011· A sensitive and simple HPLC/UV method has been developed and validated for the determination of two potential genotoxic impurities, namely methyl p-toluenesulfonate (MPTS) and ethyl p-toluenesulfonate (EPTS) at trace levels in Pemetrexed sodium API.Applying the concept of threshold of toxicological concern (TTC), a limit of 3 ppm each for both genotoxins was calculated based on the …

    Sodium p-toluenesulfonate - PubChem

    Sodium tosylate. p-Toluenesulfonic acid sodium salt. Sodium toluenesulfonate. p-Toluenesulfonic acid, sodium salt. Tosylate, sodium. Naxonate hydrotrope. Sodium toluene-4-sulphonate. Cyclophil STS 70. Eltesol ST 34. Eltesol ST 90. Pilot STS 32. Sodium p-tolylsulfonate. Sodium toluenesulphonate. Sodium toluene-p-sulphonate. Sodium .

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