This colorless liquid has a sweet, ether -like odor, as it derives from the family of glycol ethersand is a butyl ether of ethylene glycol. As a relatively nonvolatile, inexpensive solvent, it is used in many domestic and industrial products because of its properties as a surfactant.
It is a known respiratory irritant  and can be acutely toxic but animal studies did not find it to be mutagenic, and no studies suggest it is a human carcinogen. In use since the s, glycol ethers are solvents that dissolve both water-soluble and hydrophobic substances. Glycol ethers consist of two components, an alcohol and ether.
According to the nature of alcohol, molecules of this class can be divided into two groups: E series and P series which correspond to ethylene and propylene respectively. Glycol ethers are selected for specific purposes, such as solubilityinflammabilityand volatility. Products containing this compound are commonly found at construction sites, automobile repair shops, print shopsand facilities that produce sterilizing and cleaning products.
It is the main ingredient of many home, commercial and industrial cleaning solutions. Since the molecule has both non-polar and polar ends, butoxyethanol is useful for removing both polar and non-polar substances, like grease and oils. It is also approved by the U. FDA to be used as direct and indirect food additives, which include antimicrobial agents, defoamersstabilizers, and adhesives.
In the petroleum industry, 2-butoxyethanol is a component of fracturing fluidsdrilling stabilizersand oil slick dispersants for both water-based and oil-based hydraulic fracturing  [ clarification needed ] When liquid is pumped into the well, the fracturing fluids are pumped under extreme pressure, so 2-butoxyethanol is used to stabilize them by lowering the surface tension. It was shown that disposal occurs faster in the presence of semiconductor particles.
Blood or urine concentrations of 2-butoxyethanol or the metabolite 2-butoxyacetic acid may be measured using chromatographic techniques. Harmful effects have been observed in nonhuman mammals exposed to high levels of 2-butoxyethanol.
Developmental effects were seen in a study that exposed pregnant Fischer rats, a type of laboratory ratand New Zealand white rabbits to varying doses of 2-butoxyethanol. Additionally, 2-butoxyethanol was associated with a significant decrease in maternal body weight, uterine weight, and number of total implants. Neurological effects have also been observed in animals exposed to 2-butoxyethanol. Decreased body weight and water consumption were seen for both species.
Rats had reduced red blood cell counts and thymus weights, as well as lesions in the liver, spleen, and bone marrow. Only those in which the user performs the required dilution are required to include it on labelling information.
Environmental Protection Agency 's list of hazardous air pollutants in From Wikipedia, the free encyclopedia. Chemical compound. CAS Number. Interactive image. PubChem CID. Chemical formula.Meijer jobs saginaw mi
Solubility in water. GHS hazard statements. GHS precautionary statements. Autoignition temperature. LD 50 median dose. LC 50 median concentration. PEL Permissible. REL Recommended.Jump to main content or area navigation.
Slow Evaporating Ethylene Glycol Butyl Ether Acetate Cas No. 112-07-2 With SGS Standard
Section of the Act contains a mandate for EPA to evaluate and control emissions of hazardous air pollutants. Section b 1 includes an initial list of hazardous air pollutants that is composed of specific chemical compounds and compound classes to be used to identify source categories for which the EPA will promulgate emissions standards.
The listed categories are subject to emission standards subsequently developed under Section The EPA must periodically review the list of hazardous air pollutants and, where appropriate, revise this list by rule.
In addition, any person may petition EPA under Section b 3 to modify the list by adding or deleting one or more substances. A petitioner seeking to delete a substance must demonstrate that there are adequate data on the health and environmental effects of the substance to determine that emissions, ambient concentrations, bioaccumulation, or deposition of the substance may not reasonably be anticipated to cause any adverse effects to human health or the environment. To demonstrate the burden of proof, a petitioner must provide a detailed evaluation of the available data concerning the substance's potential adverse health and environmental effects, and estimate the potential exposures through inhalation or other routes resulting from emissions of the substance.
The total number of listed air toxics is now After extensive technical review and consideration of public comments, EPA concluded that potential exposures to MEK emitted from industrial processes may not reasonably be anticipated to cause human health or environmental problems. MEK is used as a solvent in the surface coatings industry, specifically in manufacturing vinyl lacquers, some lacquers and acrylics.
Industries also use MEK for producing adhesives, magnetic tapes, printing inks, degreasing and cleaning fluids, as a dewaxing agent for lubricating oils and as an intermediate in the production of antioxidants and perfumes. Emissions of MEK will continue to be regulated as a volatile organic compound because of its contribution to the formation of ground-level ozone. On November 29, 69FR this proposal was made final. This action deletes each individual compound in a group called the surfactant alcohol ethoxylates and their derivatives SAED from the glycol ethers category in the list of hazardous air pollutants HAP established by section b 1 of the Clean Air Act CAA.
To implement this action, EPA is revising the definition of glycol ethers to exclude the deleted compounds. Based on this information, EPA has made a final determination that there are adequate data on the health and environmental effects of these substances to determine that emissions, ambient concentrations, bioaccumulation, or deposition of these substances may not reasonably be anticipated to cause adverse human health or environmental effects.
The docket is an organized and complete file of all the information considered by the EPA in the development of this rulemaking. The docketing system is intended to allow members of the public and industries involved to readily identify and locate documents so that they can effectively participate in the rulemaking process.
Along with the proposed and promulgated standards and their preambles, the contents of the docket will serve as the record in the case of judicial review. See section d 7 A of the CAA. An index for each docket, as well as individual items contained within the dockets, may be obtained by calling or A reasonable fee may be charged for copying docket materials.
A useful reference for the glycol ether category is linked below. A Notice of Recipt was published 58FR, August 26, noting that the data filed were adequate to support decision making. After a comprehensive review of the data submitted, the EPA published a proposal to delist caprolactam 60FR, September 18, In order to help address public concern,on March 13,EPA executed two detailed agreements with AlliedSignal concerning the Irmo, South Carolina manufacturing facility and another facility located in Chesterfield, Virginia, copies of which are included in the public docket for this rulemaking.112. Қылмыс хроникасы. 09.02.2021 күнгі шығарылым
AlliedSignal agreed that, if caprolactam was delisted pursuant to the proposal, AlliedSignal would install emissions controls which EPA believed would be equivalent to the controls which would have been required had EPA issued a standard to control these sources under Section The agreed emissions controls are incorporated in federally enforceable operating permits for the affected facilities, and will be in place years earlier than controls would have otherwise been required. In addition, AlliedSignal has agreed to establish a citizen advisory panel concerning the Irmo facility in order to improve communications with the community and to assure that citizens have an ongoing role in implementation of the agreed emission reductions.
The public requesting a public hearing. The docket includes complete index to all papers filed in this docket, a copy of the original petition, comments submitted, and additional materials supporting the rule.
A reasonable fee may be charged for copying. The docket may be inspected in person between a. A clerical error led to the inadvertent addition of hydrogen sulfide to the Section b list of Hazardous Air Pollutants.A CAS Registry Number also referred to as CASRN or CAS Numberis a unique numerical identifier assigned by the Chemical Abstracts Service CAS to every chemical substance described in the open scientific literature currently including all substances described from through the present, plus some substances from the early or mid sincluding organic and inorganic compounds, mineralsisotopesalloys and nonstructurable materials UVCBs, substances of u nknown or v ariable composition, c omplex reaction products, or b iological origin.Chasma online booking
The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than million unique organic and inorganic substances and 68 million protein and DNA sequences,  plus additional information about each substance.
It is updated with around 15, additional new substances daily. Historically, chemicals have been identified by a wide variety of synonyms.
Frequently these are arcane and constructed according to regional naming conventions relating to chemical formulae, structures or origins. They offer a reliable, common and international link to every specific substance across the various nomenclatures and disciplines used by branches of science, industry, and regulatory bodies.
A CASRN is separated by hyphens into three parts, the first consisting from two up to seven digits,  the second consisting of two digits, and the third consisting of a single digit serving as a check digit.
This current format gives CAS a maximum capacity of 1, unique identifiers. The check digit is found by taking the last digit times 1, the preceding digit times 2, the preceding digit times 3 etc.
To find the CAS number of a compound given its name, formula or structure, the following free resources can be used:. From Wikipedia, the free encyclopedia. This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. June Learn how and when to remove this template message. Archived from the original on 25 July Retrieved 25 July Retrieved 10 August Retrieved 13 July Retrieved 1 December Retrieved 8 July Archived from the original on 9 July Archived from the original on 1 January Retrieved 11 July Archived from the original on 11 July Learn more about SRS.
Contact Us to ask a question, provide feedback, or report a problem. Clear options. Search only Substance type. Return Substance with components Substance without components Both. Enter CAS or name one per line. Included archived lists. Popular Resources. For Business and Industry. For Health. For Science. American National Standards Institute.
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CAA - Regulation of fuels. CAA - Nonroad engines and vehicles.The following materials are exempted from the requirement of a tolerance when used in accordance with good agricultural practice as inert or occasionally active ingredients in pesticide formulations applied to growing crops only:.
CFR prev next. Ammonium chloride CAS Reg. Not more than 0. No more than 2. Not for use after edible parts of plant begin to form. Do not graze livestock in treated areas within 48 hours after application Solvent, cosolvent 5-Chloromethylisothiazolinone in combination with 2-methylisothiazolinone Not more than 0.
Cysteine CAS Reg. Magnesium nitrate in combination with 2-methylisothiazolinone and 5-chloromethylisothiazolinone None Preservation Maleic acid For pesticide formulations applied to apples with a minimum preharvest interval of 21 days Stabilizer Maleic anhydride CAS Reg. Methyl ethyl ketone Surfactant Methyl p- hydroxybenzoate Preservative for formulations Methyl isobutyl ketone Solvent, cosolvent 2-Methylisothiazolinone in combination with 5-chloromethylisothiazolinone Not more than 0.
Expires February 9, Surfactant, related adjvants of surfactants Mono- and dialkyl C 8 -C 18 methylated ammonium chloride compounds, where the alkyl group s C 8 -C 18 are derived from coconut, cottonseed, soya, tallow, or hogfat fatty acids Surfactants, related adjuvants of surfactants Morpholine 4-C Acyl Derivatives CAS Reg. Phenolsulfonic acid - formaldehyde - urea condensate and its sodium salt Applied to growing plants only Dispersant surfactant Phthalocyaninato 2 copper; C.
Rosin, tall oil Do. Sodium o -phenylphenate Not more than 0. Tryptophan CAS Reg. Not to exceed 2. Thickener and stabilizer for pesticide formulations applied to seeds before planting. Do not graze livestock in treated areas within 48 hours after application. Not more than 2.
In pesticide formulations, for soil prior to planting or to plants before edible parts form. Solvent or cosolvent for formulations used before crop emerges from soil or prior to formation of edible parts of food plants. For pesticide formulations used before crop emerges from soil or prior to formation of edible parts of food plants; for pesticide formulations used after crop emerges but before harvest, provided that the potential for increased residues of the formulation's active ingredient s in or on food commodities has been assessed.
Antifreeze, deactivator for all pesticides used before crop emerges from soil and in herbicides before or after crop emerges. Cosolvent, defoamer, solvent for all pesticides used before crop emerges from soil and in herbicides before or after crop emerges.Request For Quotation.
Incompatible with strong oxidizing agents. Mild skin irritant. Flammable when exposed to heat, flame, or oxidizers. To fight fire, use alcohol foam. When heated to decomposition it emits acrid smoke and irritating fumes. Floats and mixes slowly with water. The ether being relatively unreactive. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert alcohols to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior.
They may initiate the polymerization of isocyanates and epoxides. Liquid causes irritation of eyes and mild irritation of skin. Ingestion produces same symptoms as inhalation.
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