Refractive index (n D) 1.4225 Viscosity: 402 Pa.s (at 20 C) Thermochemistry Bromoethane, also known as ethyl bromide, is a chemical compound of the haloalkanes group. 1-Pentanol is a colourless liquid with a distinctive aroma. 57, 710-717 (1940) Data [CSV - comma separated] [TXT - tab separated] [Full database record] polytetrafluoroethylene (PTFE). Thus, benzyl chloride is a lachrymator and has been used in chemical warfare. Isoamyl acetate has a strong odor which is described as similar to both banana and pear. Refractive Index: 1.5168 clean sodium and 700 ml of absolute alcohol (dried over calcium oxide or sodium) in a 2000 ml round-bottomed flask equipped with a reflux condenser. It is an isomer of another More dramatically, a long-chain hydrocarbon like squalene (C 30 H 62) has a viscosity an order of magnitude larger than the shorter n-alkanes In contact with mucous membranes, hydrolysis produces hydrochloric acid. The Refractive Index - n - of a medium is a measure for how much the velocity of light is reduced inside the medium. Rotation-vibration spectrum. It is the straight-chain form of amyl alcohol, one of 8 isomers with that formula. Silver nitrate is an inorganic compound with chemical formula AgNO 3.It is a versatile precursor to many other silver compounds, such as those used in photography.It is far less sensitive to light than the halides.It was once called lunar caustic because silver was called luna by ancient alchemists who associated silver with the moon. 3.5 Thermochemistry Heat capacity (C) 134.2 J Vinegar is at least 4% acetic acid by volume, making acetic acid the main component of vinegar apart from water and other trace elements. suppression of ovulation while the capsule was in place (one cycle). Substances composed of longer molecules tend to have larger viscosities due to the increased contact of molecules across layers of flow. 2-Ethylhexanol (abbreviated 2-EH) is an organic compound with formula C 8 H 18 O. Palmitic acid, (or hexadecanoic acid in IUPAC nomenclature), is a fatty acid with a 16-carbon chain. Stearic acid (/ s t r k / STEER-ik, / s t i r k / stee-ARR-ik) is a saturated fatty acid with an 18-carbon chain. 8, 601-605 (1997) Data Ethyl alcohol; Grain alcohol; Pure alcohol; Hydroxyethane; Drinking alcohol; Ethyl hydrate; External links. tert-Butyl alcohol is a colorless solid, which melts near room temperature and has a camphor-like odor.It is miscible with water, ethanol and diethyl ether Reagecon's Refractive Index Standards (Solvent Based) 1.65808 nD at 20C is a high quality product, with an extended shelf life to be used either as a calibrant or analytical control material for use in Refractive Index based methods for Refractive Index determination. Complex refractive index (n+ik) = = n k LogX LogY eV Derived optical constants Index of refraction of methane in the infra-red and the dipole moment of the CH bond, Phys. Refractive index of ethyl acetate. It is partially soluble in water, and is commonly used as an industrial solvent. It is abbreviated by chemists as EtBr (which is also used as an abbreviation for ethidium bromide). Many materials have a well-characterized refractive index, but these indexes often depend strongly upon the frequency of light, causing optical dispersion.Standard refractive index measurements are taken at the "yellow doublet" sodium D line, with a wavelength () of 589 nanometers. The results are consistent with the self-association of alcohol and the polar and nonpolar characters of used ester and amide. Ethyl acetate (systematically ethyl ethanoate, commonly abbreviated EtOAc, ETAC or EA) is the organic compound with the formula CH 3 CO 2 CH 2 CH 3, simplified to C 4 H 8 O 2.This colorless liquid has a characteristic sweet smell (similar to pear drops) and is used in glues, nail polish removers, and in the decaffeination process of tea and coffee. Refractive-index measurements in the near-IR using an Abbe refractometer, Meas. Aldol condensation in the presence of a base forms 2-ethyl-2-hexenal, which is then hydrogenated to form 2-ethylhexanol, a precursor to the plasticizer bis(2-ethylhexyl) phthalate. It is a major component of the oil from the Ethanol (abbr. J. Rheims, J Kser and T Wriedt. Important reactions include hydrogenation to the alcohol, oxidation to the acid, and base-catalyzed condensation. The index of refraction. It is a branched, eight-carbon chiral alcohol.It is a colorless liquid that is poorly soluble in water but soluble in most organic solvents. The hydrocarbon group is a 4-(1,1,3,3-tetramethylbutyl)-phenyl group.Triton X-100 is closely related to IGEPAL CA-630 or former Nonidet P-40, which might Pure isoamyl acetate, or mixtures of isoamyl The capsules contained 16 mg of drug and 61 mg of ethyl oleate as a suspending vehicle. Ethyl propionate's production and use as solvent, industrial process chemical, and flavoring agent may result in its release to the environment through various waste streams. 2-Butanol, or sec-butanol, is an organic compound with formula C H 3 CH(OH)CH 2 CH 3.Its structural isomers are 1-butanol. Refractive index. Sodium cyanide is a poisonous compound with the formula Na C N.It is a white, water-soluble solid. 1-Pentanol, (or n-pentanol, pentan-1-ol), is an alcohol with five carbon atoms and the molecular formula C 5 H 11 OH. Consequently, the molecule has a large dipole moment with a negative partial charge () at the chlorine atom and a positive partial charge There are also weaker dependencies on temperature, pressure/stress, etc., as well Rotational excitation cross section. The refractive index of glass n g is 1.52 and r efractive index of water n w is 1.33. Uses. Dehydration is usually initiated in 75% alcohol with progress through 90%-95% ethanol before several changes of absolute ethanol to complete dehydration. There was a wide range of serum levels of the drug. The term clearing arises because some solvents have a high refractive index. Benzodiazepines (BZD, BDZ, BZs), sometimes called "benzos", are a class of psychoactive drugs whose core chemical structure is the fusion of a benzene ring and a diazepine ring. Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom H and a chlorine atom Cl connected by a polar covalent bond.The chlorine atom is much more electronegative than the hydrogen atom, which makes this bond polar. The hydroxyl group (OH) is the active site of many reactions. It is the most common saturated fatty acid found in animals, plants and microorganisms. It is mainly used to make phosphate esters such as tricresyl phosphate alcohol, ethyl (grain) 1.361: alcohol, methyl (wood) 1.328: amber: 1.546: barium fluoride: 1.475: benzene: 1.501: butter (40 C) which is defined as the difference between the refractive indices for for two prominent lines in the spectrum of hydrogen the blue F line at 486.1 nm and the red C line at 656.3 nm. Rev. Ethanol (ethyl alcohol) This is a rapid and efficient dehydrant and is the most commonly used. Distance refers to the slope of the refractive index profile at any point. Ethanol is slightly more refractive than water, having a refractive index of 1.36242 (at =589.3 nm and 18.35 C or 65.03 F). Isoamyl acetate, also known as isopentyl acetate, is an organic compound that is the ester formed from isoamyl alcohol and acetic acid.It is a colorless liquid that is only slightly soluble in water, but very soluble in most organic solvents. Phenacetin (acetophenetidin, N-(4-ethoxyphenyl)acetamide) is a pain-relieving and fever-reducing drug, which was widely used following its introduction in 1887. Phosphoryl chloride (commonly called phosphorus oxychloride) is a colourless liquid with the formula P O Cl 3.It hydrolyses in moist air releasing phosphoric acid and fumes of hydrogen chloride.It is manufactured industrially on a large scale from phosphorus trichloride and oxygen or phosphorus pentoxide. This effect can be observed for the n-alkanes and 1-chloroalkanes tabulated below. Cyanide has a high affinity for metals, which leads to the high toxicity of this salt. isobutanol, and tert-butanol. The refractive index gradient is defined as the rate of change of refractive index with respect to distance in the material. Indicative of its high reactivity (relative to alkyl chlorides), benzyl chloride reacts with water in a hydrolysis reaction to form benzyl alcohol and hydrochloric acid. Use a second piece of lens paper moistened with a small amount of alcohol (ethyl or isopropyl) or lens cleaning solution, wiping all glass surfaces again to remove any remaining oil. This product can be used on any make or model of refractometer. Its main application, in gold mining, also exploits its high reactivity toward metals.It is a This volatile compound has an ether-like odor. Ethanol - Wikipedia; Sci. When light passes from a material of one refractive index to another (for example: from glass to air), it bends. Acetic acid / s i t k /, systematically named ethanoic acid / n o k /, is an acidic, colourless liquid and organic compound with the chemical formula CH 3 COOH (also written as CH 3 CO 2 H, C 2 H 4 O 2, or HC 2 H 3 O 2). Refractive Index Example. Triton X-100 (C 14 H 22 O(C 2 H 4 O) n) is a nonionic surfactant that has a hydrophilic polyethylene oxide chain (on average it has 9.5 ethylene oxide units) and an aromatic hydrocarbon lipophilic or hydrophobic group. It is produced on a large scale (>2,000,000,000 kg/y) for use in numerous applications such as solvents, flavors, and fragrances and especially as a precursor It has a role as an antiseptic drug, a polar solvent, a neurotoxin, a central nervous system depressant, a teratogenic agent, a NMDA receptor antagonist, a protein kinase C agonist, a disinfectant, a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia Ethyl acetate is the ester of 2-Butanol is chiral and thus can be obtained as either of two stereoisomers designated as (R)-()-2-butanol and (S)-(+)-2-butanol.It is normally encountered as a 1:1 mixture of the two stereoisomers a racemic mixture. tert-Butyl alcohol is the simplest tertiary alcohol, with a formula of (CH 3) 3 COH (sometimes represented as t-BuOH).Its isomers are 1-butanol, isobutanol, and butan-2-ol. Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom H and a chlorine atom Cl connected by a polar covalent bond.The chlorine atom is much more electronegative than the hydrogen atom, which makes this bond polar. Ethyl propionate is a common volatile found in fresh citrus fruits and juices, some whiskeys, and in Parna ham. Butanone, also known as methyl ethyl ketone (MEK), is an organic compound with the formula CH 3 C(O)CH 2 CH 3.This colourless liquid ketone has a sharp, sweet odor reminiscent of acetone.It is produced industrially on a large scale, but occurs in nature only in trace amounts. Uses. Propan-1-ol (also propanol, n-propyl alcohol) is a primary alcohol with the formula CH 3 CH 2 CH 2 OH and sometimes represented as PrOH or n-PrOH.It is a colorless liquid and an isomer of 2-propanol.It is formed naturally in small amounts during many fermentation processes and used as a solvent in the pharmaceutical industry, mainly for resins and cellulose esters, and, Ethanol is a primary alcohol that is ethane in which one of the hydrogens is substituted by a hydroxy group. As depressantsdrugs which lower brain activitythey are prescribed to treat conditions such as anxiety, insomnia, and seizures.The first benzodiazepine, chlordiazepoxide (Librium), was Consequently, the molecule has a large dipole moment with a negative partial charge () at the chlorine atom and a positive partial charge Hydrogen fluoride (fluorane) is an inorganic compound with the chemical formula H F.This colorless gas or liquid is the principal industrial source of fluorine, often as an aqueous solution called hydrofluoric acid.It is an important feedstock in the preparation of many important compounds including pharmaceuticals and polymers, e.g. Its chemical formula is CH 3 (CH 2) 14 COOH, and its C:D (the total number of carbon atoms to the number of carbon-carbon double-bonds) is 16:0. Important reactions include hydrogenation to the alcohol, oxidation to the acid, and base-catalyzed condensation. Liquids n-Alkanes. TBS Training Catalogue : Kindly open the following attachment to view TBS training programs FAO GM FOOD PLATFORM : FAO GM Foods Platform is an international platform to share information on safet TBS Online Application Sytem (OAS) : click here New Port Office : TBS has Opened New Office at Bagamoyo Port- Coast Region New Zonal Office : TBS has opened a new Aldol condensation in the presence of a base forms 2-ethyl-2-hexenal, which is then hydrogenated to form 2-ethylhexanol, a precursor to the plasticizer bis(2-ethylhexyl) phthalate. Refractive index (n D) 1.425 Thermochemistry Std enthalpy of Propylheptyl alcohol; Except where otherwise noted, data are given for materials in their standard state (at 25 C [77 F], 100 kPa). EtOH; also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound. Ethyl Alcohol: 1.36. Technol. 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