00 Boiling point (Celsius) 310. The reaction yielded benzocaine in 49% yield which was characterized using melting … Any apparatus or method capable of equal accuracy may be used. 17g/cm 3. [2] The density of benzocaine is 1. 00 … Lab Report 3 - The Separation of Three Organic Compounds for Professor Young's section. 00 l acquisition of X-ray patterns between 120 K and 355 K, just below the melting point of benzocaine. According to PubChem, the melting point of benzocaine is about 92° C. An aqueous solution of isopropyl alcohol (IPA) was used as a secondary agent for depressing the melting point of benzocaine. 0% and not more than 101. In the case of benzocaine, the thermal behaviour is similar. 00 Melting point (Kelvin) 361. Select a region with no data or click the mouse on the plot to revert to the orginal display. 30 The crystallization and melting properties were identical in both initial and purified benzocaine. 00 Benzocaine appears as a white, crystalline powder. 17 g/cm . The melting point of benzocaine is 88–92 °C, [30] and the … The vaporization enthalpy calculated from the vapor pressures of benzocaine at the melting point was combined with the experimental fusion enthalpy to evaluate the sublimation … 7 mmHg at 25°C Enthalpy of Vaporization: 55. 15 Boiling point (Celsius) 310. 1g of this drug is soluble in about 2500ml water, 5ml ethanol, 2ml chloroform, … Melting point (Celsius) 88. 00 Melting point (Kelvin) 363. Parchem supplies Benzocaine and a range of specialty chemicals worldwide, CAS# 94-09-7. 24). Benzocaine is an ester local anesthetic that acts by preventing transmission of impulses along nerve fibers and at nerve endings. Benzocaine is sparingly soluble in water; it is more soluble in dilute acids and very soluble in ethanol, chloroform, and ethyl ether. 1g of this product, add 5ml of sodium hydroxide test solution, and boil, that is, ethanol is generated; Add iodine test solution and heat, that is, … 1) Benzocaine is a local anesthetic synthesized from p-aminobenzoic acid, ethanol, and sulfuric acid via a Fischer esterification reaction. (1972); however, … This study was carried on some pharmaceutical products containing aspirin. An open … Melting point (Celsius) 88. 87kPa). Examine by infrared absorption spectrophotometry (2. 4 Melting Point 370 to 372 °F (NTP, 1992) National Toxicology Program, Institute of Environmental Health Sciences, National Institutes of Health … IUPAC Standard InChI: InChI=1S/C9H11NO2/c1-2-12-9 (11)7-3-5-8 (10)6-4-7/h3-6H,2,10H2,1H3 Copy Typical Product Specifications & PropertiesBenzocaine CAS Number: : 94-09-7 Benzocaine was successfully synthesized via Fischer esterification of p-aminobenzoic acid and ethanol. 30 SECTION 8 - HANDLING / SPILL / DISPOSAL MEASURES SECTION 9 - EXPOSURE CONTROLS / PERSONAL PROTECTION SECTION 10 - PHYSICAL AND CHEMICAL … Form III presents a case of overall monotropy and does not possess any stability domain in the pressure-temperature phase diagram. The accuracy should be checked at suitable intervals by the use of one or more of the six USP Melting Point Reference … Color Odor Odor Threshold pH Melting point Flash point Evaporation rate Flammability (solid, gas) : solid Melting Point Analysis Literature Melting Point of benzocaine: Recorded Melting Point Range of Purified Benzocaine: Based on the melting point and the size of the melting point range, … Safety data pH Melting point/freezing point no data available Melting point/range: 88 - 90 °C (190 - 194 °F) Boiling point Aromatic/Hydrocarbon/Inorganic Ingredients Catalog information Identification Chemical Properties Safety Data Raw materials And Preparation Products Material Safety Data Sheet (MSDS) Questions And Answer Hazard Information Spectrum Detail Well … Melting point (Celsius) 88. 35g, precision weighing, according to the permanent stop titration method … In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC … Please choose one of the options below to gain access to the full monograph: Log in using your subscriber credentials Log in via your … Notes Go To: Top, Mass spectrum (electron ionization), References Data from NIST Standard Reference Database 69: NIST … Benzocaine Benzocaine Systematic (IUPAC) name ethyl 4-aminobenzoate Identifiers CAS number 94-09-7 ATC code C05AD03 D04AB04, N01BA05, R02AD01 PubChem 2337 Powder samples were encapsulated in Tzero aluminum pans, and following an initial heating ramp past the melting point, were rapidly cooled to 343 K (a temperature … Benzocaine can be synthesized in number of ways: p -Nitrobenzoic acid is esterified and the resulting product is reduced with metallic tin and hydrochloric acid or … Symbols used in this document: Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfusH … Acree, 1991 Acree, William E. This was for lab when it was online due to the pandemic … Benzocaine - Differential diagnosis take about 0. The exact amount will be confirmed by our sales team. As a … benzocaine synthesis (step 4): synthesis of benzocaine Physico-chemical properties This table collects data for the molecular … Melting point (2. Benzocaine can form at least three polymorphs [19], [20], [21], [22]. The density of Benzocaine is 1. Benzocaine contains not less than 98. Tfus : Normal melting (fusion) point (K). Infrared absorption spectrophotometry (2. 00 It is usually handled in a powder form, which makes it suitable for various formulation applications, especially in topical anesthetics. This compound is used widely as a local anesthetic and can sometimes be found in the … IUPAC Standard InChIKey: BLFLLBZGZJTVJG-UHFFFAOYSA-N Copy Sheet of paper on top of another sheet CAS Registry Number: 94-09-7 Chemical structure: This … European Pharmacopoeia specifications for Benzocaine and Benzoic Acid, including tests, identification, and assay methods. The first thermal event for the BZ is an endothermic one, without mass loss, and … These consist of two symmetry-related halves [10]. Therefore, the obtained melting … The document outlines the synthesis of ethyl p-aminobenzoate (benzocaine) using p-aminobenzoic acid, ethanol, and concentrated sulfuric acid. The melting point of benzocaine is 88 - 90 degrees Celsius, [1] and the boiling point is about 310 degrees Celsius. External calibration by means of the cu 4. Articles of Benzocaine … Chemsrc provides Benzocaine (CAS#:94-09-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Heat … Ethyl 4-aminobenzoate (Benzocaine) (49830894 | 94-09-7) This product is subject to a hazardous surcharge. Tc : Critical Temperature (K). (1972); however, … Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, … Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. It's used as a topical pain reliever or in cough drops. Comparison: … The melting point of Benzocaine is 88-90 degrees Celsius, and the boiling point is 172 degrees Celsius. View catalogue prices, … Initially, the synthesis of benzocaine was accomplished by acid-catalyzed esterification of 4- aminobenzoic acid with ethanol. 00 / 1KG 2025-12-26 $1. Benzocaine - Content determination Authoritative Data Verified Data take this product about 0. 24), comparing with the spectrum obtained with benzocaine CRS. Melting point (2. Benzocaine appears as a white, crystalline powder with a faint odor characteristic of esters. 00 / 1KG 2025-12-26 Form III presents a case of overall monotropy and does not possess any stability domain in the pressure–temperature phase diagram. 15 K and melting point of S-naproxen and benzocaine was derived. It is sparingly soluble in water but … Select a region with data to zoom. The purpose of the fee is to recover costs … Benzocaine - cas 94-09-7, synthesis, structure, density, melting point, boiling point Solubility: very slightly soluble in water, freely soluble in ethanol (96 per cent). The melting … form I. It belongs to the ester group of local … Form III presents a case of overall monotropy and does not possess any stability domain in the pressure–temperature phase diagram. Sulfuric acid … The melting point range of the product obtained was 89°-92° C. 00 / 1kg 2025-12-26 $1. , Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature … The melting temperature of benzocaine has been reported by Schwartz and Paruta (1976), Manzo and Ahumada (1990), and Yalkowsky et al. Considering our product’s melt temp was very … The melting point range of benzoic acid was 120°C-133°C and the melting point range of benzocaine was 84°C-94°C. It is often noted for its light, mild odor when pure. Credits The following components were used in … Parchem supplies Benzocaine USP and a range of specialty chemicals worldwide, CAS# 94-09-7. Considering the melting point values, form II of benzocaine is the most stable of the three The melting point of benzocaine determined in the present work by both DSC and FSC is consistent with the data for the high-temperature stable … The melting point of benzocaine determined in the present work by both DSC and FSC is consistent with the data for the high-temperature stable … As a result, a consistent set of the fusion enthalpies and solid and liquid heat capacities between 298. At a low temperature, form II of benzocaine becomes form III [12]. Heat … The literature data on the fusion enthalpies and heat capacities of the solid and liquid were collected and critically analyzed, considering the performed measurements. Ttriple : Triple … At room temperature, Benzocaine is typically found as a solid. Both melting point values … Although the melting points were not varied critically, the first product (benzocaine) was not able to achieve a pure product due to high …. 30 This document describes the synthesis of benzocaine from p-aminobenzoic acid. Boil gently … Benzocaine is a colorless trapezial crystal. Its melting point is 92℃ (88-90℃), boiling point is 183-184°C (1. Its melting point is 92℃ (88-90℃), boiling point is 183 … Chemsrc provides Benzocaine (CAS#:94-09-7) MSDS, … NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. Heat capacity data for benzocaine have … Benzocaine Benzocaine Benzocaine Benzocaine Composition (s) generated upon use Other types of composition (s) Explore Benzocaine 94-09-7 details on Guidechem: Chemical Properties, Safety info, NMR Spectrum, Synthesis Route, and Supplier List. The density of benzocaine is 1. Melting point (Celsius) 88. 0% of C9H11NO2, calculated with reference to the dried substance. 00 Literature References: Prepd by the esterification of p-aminobenzoic acid: Salkowski, Ber. The enthalpy of formation in crystalli… Benzocaine is a widely used local anesthetic that provides temporary relief from pain and discomfort caused by minor irritations, sores, or injuries. piperazine hydrate R. A similar phase … Benzocaine can be synthesized in number of ways: p -Nitrobenzoic acid is esterified and the resulting product is reduced with metallic tin and hydrochloric acid or … The melting point of a compound depends on its chemical structure, purity, and pressure. The melting point of benzocaine is 88–92 °C, and the boiling point is about 310 °C. Due to the fact that benzocaine is classified as a … Buy GP2011 - Benzocaine (94-09-7) online from Glentham Life Sciences, a manufacturer and supplier of fine chemicals. 320, 135 (1902); by the reduction Chemsrc provides Benzocaine hydrochloride (CAS#:23239-88-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 14): 89 °C to 92 °C. P-aminobenzoic acid is reacted with ethanol in the presence of … Melting point (Celsius) 88. The … Requirements Definition. The samples were extracted then the infrared and melting point methods … In the present work, a detailed thermochemical, experimental and theoretical, study of benzocaine is presented. It is commonly used … Benzocaine is the ethyl ester of p-aminobenzoic acid (PABA). Articles of Benzocaine are included as well. Symbols used in this document: Tfus Fusion (melting) point T fus Fusion (melting) point Data from NIST Standard Reference Database 69: NIST Chemistry WebBook The … ChemSpider record containing structure, synonyms, properties, vendors and database links for Benzocaine, 94-09-7, BLFLLBZGZJTVJG-UHFFFAOYSA-N The vaporization enthalpy calculated from the vapor pressures of benzocaine at the melting point was combined with the experimental fusion enthalpy to evaluate the sublimation enthalpy at … Benzocaine manufacturers $1. It can be prepared from PABA and ethanol by Fischer esterification or via the reduction of ethyl p-nitrobenzoate. 1g of this product, add 5ml of sodium hydroxide test solution, and boil, that is, ethanol is generated; Add iodine test solution and heat, that is, yellow precipitate is generated, … Benzocaine (T3D2980) Identification Taxonomy Biological Properties Physical Properties Toxicity Profile Spectra Concentrations Links References Gene Regulation XML … Melting point (Celsius) 90. Pain is caused by the stimulation of free … Tboil : Normal Boiling Point Temperature (K). Ethyl 4-aminobenzoate has a low melting … Benzocaine is a topical anesthetic that helps to numb the pain and itching. 2. The procedure includes cooling … The actual melting point of Benzocaine us 92 degrees celsius and the melting point of p-aminobenzoic acid is 157-189 degrees celsius. Benzocaine combined with antipyrine forms A/B otic drops to … The melting temperature of benzocaine has been reported by Schwartz and Paruta (1976), Manzo and Ahumada (1990), and Yalkowsky et al. 17 g / cm3. take about 0. In a 20% aqueous IPA solution, benzocaine can be transformed … Heat capacity data for benzocaine have been obtained by adiabatic calorimetry from 11 K up to 369 K above its melting point, which … chemBlink provides information about CAS # 94-09-7, Benzocaine, Benzocaine BP98, Anesthesin, Parathesin, Auralgan Otic, Ethyl aminobenzoate, Ethyl 4-aminobenzoate. Melting point: 89 °C (192 °F; 362 K) Boiling point: 310 °C (590 °F; 583 K) Solubility in water. 28, 1921 (1895); Vorländer, Meyer, Ann.
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