Along with sodium laureth sulfate they are one of the oldest and most widely used synthetic detergents and may be found in numerous personal-care products soaps shampoos toothpaste etc and household-care products laundry detergent. C 10 - C 13 The linear alkyl chain has typically 10 to 13 carbon units approximately in the following mole ratio C 10C 11C 12C 13 13303324 an average carbon number near 116 and a content of the most hydrophobic 2-phenyl isomers in the 18-29 range Feijtel et al 1995b.
C 6 H 5 CHR 1 R 2 where R 1 C n H 2n1 and R 2 C m H 2m1 mn are integers m0 n1 typically 10-16 Hazards Main hazards.
Alkyl benzene sulfonate. Alkylbenzene sulfonates are a class of anionic surfactants consisting of a hydrophilic sulfonate head-group and a hydrophobic alkylbenzene tail-group. Along with sodium laureth sulfate they are one of the oldest and most widely used synthetic detergents and may be found in numerous personal-care products soaps shampoos toothpaste etc and household-care products laundry detergent. LAB linear alkyl benzene.
Identifiers CAS Number. 67774-74-7 C10-13 alkyl ChemSpider. CompTox Dashboard EPA DTXSID3028340.
C 6 H 5 CHR 1 R 2 where R 1 C n H 2n1 and R 2 C m H 2m1 mn are integers m0 n1 typically 10-16 Hazards Main hazards. Flammable relatively non-toxic Safety data sheet. 69669-44-9 C10-14 Alkyl deriv benzene sulfonic acid sodium salt 85117-50-6 C10-14 Monoalkylbenzene sulfonic acid sodium salt 90194-45-9 C10-13 Alkyl deriv benzene sulfonic acid sodium salt 127184-52-5 4-C10-13-sec Alkyl deriv.
Benzene sulfonic acid sodium salt Category Name Linear Alkylbenzene Sulfonate LAS Structural Formula. Linear alkyl 70 benzene LAB the LAS precursor is produced from benzene and C 10 to C 14 linear olefins unsaturated 71 alkyl or hydrocarbon compounds in a liquid phase under mild conditions Berna et al 2000. Imai et al 72 1994.
The catalytic technology behind the process for alkylating benzene to produce LAB has evolved. Alkylbenzene sulfonate market size by various segments such as application product type in terms of value and volume shipment. Regional analysisAlkylbenzene sulfonate market breakdown by North America Europe Asia Pacific and the Rest of the World.
Growth opportunitiesAnalysis on growth opportunities in different applications and regions of alkylbenzene. Sulfur trioxide is very reactive electrophile which will sulfonate benzene. The sigma complex loses a proton to regain its aromaticity and then the oxyanion becomes protonated.
Ch17 Reactions of Aromatic Compounds landscapedocx Page9 Desulfonation The sulfonation reaction is reversible and a sulfonic acid group may be removed ie. Replaced by hydrogen from the aromatic ring by heating. A monosubstituted benzene when treated with an electrophile could undergo three electrophilic aromatic substitution reactions.
Each reaction yields a disubstituted benzene as the organic product which can be identified using the descriptors ortho meta and. A Mono alkyl quaternary systems. The simplest quaternary system is the ammonium ion.
An alkyl quaternary nitrogen system has alkyl groups attached to the nitrogen atom. They are used as fabric softeners with anionic surfactants helping them to break down the interface between the dirtstain and the water. Benzene however is an extraordinary.
Colored red in the following examples. These include alkyl halides and sulfonate esters C-X and C-OSO 2 R as well as carbonyl compounds such as aldehydes and ketones CO. These electrophilic functions may react with nucleophiles bases in two distinct ways.
I Substitution or addition at carbon this reflects nucleophilicity ii β. Linear Alkyl Benzene Sulfonate Alkyl Chain. C 10 - C 13 The linear alkyl chain has typically 10 to 13 carbon units approximately in the following mole ratio C 10C 11C 12C 13 13303324 an average carbon number near 116 and a content of the most hydrophobic 2-phenyl isomers in the 18-29 range Feijtel et al 1995b.
Feijtel et al 1999. Cavalli et al 1999b. Valtorta et al.
Similar alkanes and alkyl halides H 2O CH 3CH 2CH 2CH 3. O CH 3CH 2CH 2CH 2Cl. The benzene ring stabilizes the negative charge of the phenoxide ion through resonance Fig.
595 44 86 Electron-withdrawing substituents make a phenol more acidic by stabilizing the phenoxide ion through delocalization of the negative charge and through inductive effects Electron-donating substituents. The first two are classified as 1º-amines since only one alkyl group is bonded to the nitrogen. However the alkyl group is primary in the first example and tertiary in the second.
The third and fourth compounds in the row are 2º and 3º-amines respectively. A nitrogen bonded to four alkyl groups will necessarily be positively charged and is called a 4º-ammonium cation. R alkyl or aryl groups R R H or groups which when removed yield glycol ethers with the structure.
Polymers are excluded from the glycol category. See Modification 3 - Includes mineral fiber emissions from facilities manufacturing or processing glass rock or slag fibers or other mineral derived fibers of average diameter 1 micrometer or less. 4 - Includes organic.
Le marché Alkylbenzène linéaire Sulfonate donne des évaluations pour lanalyse au niveau régional avec la production les ventes la consommation les importations et les exportations Lindustrie Alkylbenzène linéaire Sulfonate fournit aux fabricants des informations de base la catégorie de produits le chiffre daffaires le prix et la marge brute 2021-2023 Prévisions du mar. Le rapport Alkylbenzène linéaire Sulfonate propose également des informations sur les facteurs entravant la croissance des demandes notamment les moteurs les conditions les ouvertures et les risques. Il est essentiel de comprendre ces facteurs car ils aident à relier les ouvertures de croissance de la demande à venir.
En outre demandez aux juges de disquisition et au statut d. This product includes substances such as. Formaldehyde colors preservatives formaldehyde fragrance methanol linear alkyl benzene sulfonate.
These toxic ingredients are quite harmful. This should be of concern because they are corrosive and contain toxic ingredients which can cause cancer asthma and damage to vision. The concentration of these toxic ingredients may lead to government.
Benzene C10-13 alkyl derivatives. Download the SDS sheet for. Alkyl Halide reactivity.
In the modern usage of Finkelstein reaction it has expanded including in the process of changing alcohols to alkyl halides by converting the alcohol to a sulfonate ester in the first stage and then the substitution changes. Synthesis of chrysochlamic acid. Alkyl C7-C12 benzene Alkyl C10-C20 dimethylbenzyl ammonium chloride n-AlkylC12 C14 C16 or C18 dimethyl ethylbenzyl ammonium cyclohexylsulfamate.
For use as preservative only. Alkyl ketene dimers as described in 176120 of this chapter Alkyl C7-C12 naphthalene alpha Olefin sulfonate alkyl group is in the range of C10-C18 with not less than 50 percent C14-C16 ammonium. This solubility is attributed to the fact that the sulfonate group does not attach itself to the ions present in hard water.
Commonly anionic detergents such as alkyl benzene sulfonates are used for domestic purposes. Recommended Videos on Soaps and Detergents. Difference between Soap and Detergent.
The key differences between soaps and detergents are tabulated below. Difference Between Soap. Among the more common anionic detergents are alkyl sodium sulfates alkyl sodium sulfonates dioctyl sodium sulfosuccinate sodium lauryl sulfate tetrapropylene benzene sulfonate and linear alkyl benzene sulfonates.
4 Many of these materials contain alkali builders such as sodium phosphate sodium carbonate sodium metasilicate or sodium silicate to increase their effectiveness in hard water. The bulk of the surfactant system used in a car wash soap is anionic surfactants due mainly to the cost. The most commonly used primary surfactant system is a combination of linear alkyl benzene sulfonate LAS and sodium lauryl ether sulfate SLES.
Other surfactants are used as additives to this basic surfactant system. There are four. Earlier this month we shared the exciting news that Nacero Inc.
Will build a 6 billion refinery on the site of a former coal mine in Newport Township and Nanticoke in Luzerne County PA see NEPA Huge Deal 6B Plant to Convert Marcellus Gas to GasolineThe plant will convert Marcellus natural gas into zero-sulfur gasoline for use in existing cars and trucks without modification. Substances with a linear andor branched alkyl chain with a carbon number of 7 covalently bound predominantly in position 4 to phenol covering also UVCB- and well-defined substances which include any of the individual isomers or a combination thereof.