Melting Point Of Benzocaine. The first thermal event for the BZ is an endothermic one, wi

The first thermal event for the BZ is an endothermic one, without mass loss, and … These consist of two symmetry-related halves [10]. 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. 1g of this drug is soluble in about 2500ml water, 5ml ethanol, 2ml chloroform, … Melting point (Celsius) 88. 24), comparing with the spectrum obtained with benzocaine CRS. As a … benzocaine synthesis (step 4): synthesis of benzocaine Physico-chemical properties This table collects data for the molecular … Melting point (2. 00 / 1KG 2025-12-26 $1. It's used as a topical pain reliever or in cough drops. Credits The following components were used in … Parchem supplies Benzocaine USP and a range of specialty chemicals worldwide, CAS# 94-09-7. piperazine hydrate R. Ttriple : Triple … At room temperature, Benzocaine is typically found as a solid. 00 Benzocaine appears as a white, crystalline powder. (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. The density of Benzocaine is 1. It is often noted for its light, mild odor when pure. The melting point of benzocaine is 88–92 °C, and the boiling point is about 310 °C. It can be prepared from PABA and ethanol by Fischer esterification or via the reduction of ethyl p-nitrobenzoate. 00 Melting point (Kelvin) 361. 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. The exact amount will be confirmed by our sales team. The density of benzocaine is 1. Benzocaine can form at least three polymorphs [19], [20], [21], [22]. 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. Benzocaine - Content determination Authoritative Data Verified Data take this product about 0. 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 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. 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. 24). 15 Boiling point (Celsius) 310. Benzocaine is sparingly soluble in water; it is more soluble in dilute acids and very soluble in ethanol, chloroform, and ethyl ether. P-aminobenzoic acid is reacted with ethanol in the presence of … Melting point (Celsius) 88. 30 The crystallization and melting properties were identical in both initial and purified benzocaine. 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. 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. 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. 17 g/cm . 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. Select a region with no data or click the mouse on the plot to revert to the orginal display. 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. Examine by infrared absorption spectrophotometry (2. 17g/cm 3. 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 reaction yielded benzocaine in 49% yield which was characterized using melting … Any apparatus or method capable of equal accuracy may be used. Infrared absorption spectrophotometry (2. Sulfuric acid … The melting point range of the product obtained was 89°-92° C. It is commonly used … Benzocaine is the ethyl ester of p-aminobenzoic acid (PABA). Tc : Critical Temperature (K). 2. Tfus : Normal melting (fusion) point (K). 30 This document describes the synthesis of benzocaine from p-aminobenzoic acid. 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. The melting point of benzocaine is 88 - 90 degrees Celsius, [1] and the boiling point is about 310 degrees Celsius. 00 Literature References: Prepd by the esterification of p-aminobenzoic acid: Salkowski, Ber. 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. 87kPa). An open … Melting point (Celsius) 88. 28, 1921 (1895); Vorländer, Meyer, Ann. Ethyl 4-aminobenzoate has a low melting … Benzocaine is a topical anesthetic that helps to numb the pain and itching. 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. 14): 89 °C to 92 °C. The melting … form I. Benzocaine contains not less than 98. 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. View catalogue prices, … Initially, the synthesis of benzocaine was accomplished by acid-catalyzed esterification of 4- aminobenzoic acid with ethanol. Therefore, the obtained melting … The document outlines the synthesis of ethyl p-aminobenzoate (benzocaine) using p-aminobenzoic acid, ethanol, and concentrated sulfuric acid. take about 0. Articles of Benzocaine … Chemsrc provides Benzocaine (CAS#:94-09-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 00 l acquisition of X-ray patterns between 120 K and 355 K, just below the melting point of benzocaine. 00 It is usually handled in a powder form, which makes it suitable for various formulation applications, especially in topical anesthetics. (1972); however, … This study was carried on some pharmaceutical products containing aspirin. External calibration by means of the cu 4. 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. Benzocaine is an ester local anesthetic that acts by preventing transmission of impulses along nerve fibers and at nerve endings. 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. 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 …. 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. 0% of C9H11NO2, calculated with reference to the dried substance. Its melting point is 92℃ (88-90℃), boiling point is 183-184°C (1. Heat … Ethyl 4-aminobenzoate (Benzocaine) (49830894 | 94-09-7) This product is subject to a hazardous surcharge. Melting point (Celsius) 88. 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. At a low temperature, form II of benzocaine becomes form III [12]. [2] The density of benzocaine is 1. 15 K and melting point of S-naproxen and benzocaine was derived. Benzocaine appears as a white, crystalline powder with a faint odor characteristic of esters. 17 g / cm3. 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. 00 Boiling point (Celsius) 310. Articles of Benzocaine are included as well. 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. Parchem supplies Benzocaine and a range of specialty chemicals worldwide, CAS# 94-09-7. Comparison: … The melting point of Benzocaine is 88-90 degrees Celsius, and the boiling point is 172 degrees Celsius. This was for lab when it was online due to the pandemic … Benzocaine - Differential diagnosis take about 0. Pain is caused by the stimulation of free … Tboil : Normal Boiling Point Temperature (K). 00 / 1kg 2025-12-26 $1. It is sparingly soluble in water but … Select a region with data to zoom. Boil gently … Benzocaine is a colorless trapezial crystal. 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. 00 … Lab Report 3 - The Separation of Three Organic Compounds for Professor Young's section. According to PubChem, the melting point of benzocaine is about 92° C. 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. 00 Melting point (Kelvin) 363. The … Requirements Definition. 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. Melting point (2. , 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. Melting point: 89 °C (192 °F; 362 K) Boiling point: 310 °C (590 °F; 583 K) Solubility in water. 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. In the case of benzocaine, the thermal behaviour is similar. twj4ui
1k7tsk
aunj5q
c1yjyniah
u3tx6ftnk5
g70h5vp
gdrhaq2m
pxc4oa
uky79syekg
71uvvuot3