Phthalates Action Plan1 I

Dialkyl ortho-phthalates (or phthalate esters) have the general chemical structure shown below: O O O R (R R' groups can be linear branched or linear/branched O R' or cyclic ring) For purposes of this Action Plan EPA identified eight individual phthalate esters as appropriate subjects for developing an assessment and management strategy

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HPLCODSカラムKaseisorb LC:Phthalic Acid

Phthalic Acid Dialkyl Ester Phthalic Acid Dialkyl Ester Column: Kaseisorb LC ODS 2000 4 6mmI D 150mm: Mobile Phase: A:CH 3 CN B:H 2 O 80- A (0-5 min) Temperature: 40 C: Detection: UV 254 nm: Flow Rate: 1 0 mL/min: Sample: 1 Dimethyl Phthalate 2 Diethyl Phthalate 3 Diisopropyl Phthalate 4 Dibutyl Phthalate 5 Dicyclohexyl Phthalate 6

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Velsiflex Plasticizer

Benzoic acid based non-phthalate plasticizers with a wide application range Velsiflex plasticizers are an environmentally friendly option for formulators looking for an alternative to commodity and specialty phthalate esters Velsiflex is a non-phthalate plasticizer and uses benzoic acid as a key raw material

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Diisononylphthalate (DNP)

Phthalate esters are the dialkyl or alkyl aryl esters of phthalic acid (also called 1 2-benzenedicarboxylic acid not be confused with the structurally isomeric terephthalic or isophthalic acids) the name phthalate derives from phthalic acid which itself is derived from word naphthalene

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Sampling and Analytical Methods: Dimethyl Phthalate

Material Safety Data Sheets Dimethyl Phthalate Diethyl Phthalate Di-n-butyl Phthalate Di(2-ethylhexyl) Phthalate Di-n-octyl Phthalate J T Baker Inc Phillipsburg New Jersey Footnote (1) The air volume for each sampling period was adjusted to 2 times the target concentrations

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Overview of Phthalate Ester

dialkyl phthalate esters in general Attempts to correlate similarities in pharnacokinetics to a generic pattern of toxicity for dialkyl phthalates await elucidation of probable mechanisms of toxic action *National Toxicology Program NIEHS P O Box 12233

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Biodegradation of Dimethyl Phthalate Diethyl Phthalate

Phthalate esters (PAEs) are a group of compounds which include dialkyl or alkyl aryl esters of 1 2 -benzendicarboxylic acid (phthalic acid) Among phthalates esters dimethyl phthalate (DMP) diethyl phthalate (DEP) and dibutyl phthalate (DBP) are mostly used for a variety of commercial purposes and have been listed as priority

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Dialkyl

The commonly used surfactive macromolecular monomers include anionic monomers (e g dialkyl maleate cationic [22] and 2-acrylamide long-chain alkyl sulfonic acid [23]) cationic monomers (e g (2-methacry-loyloxyethyl) dodecyldimethyl ammonium bromide [24] and (4-(2-(acryloyloxy) ethoxy) benzyl triethyl ammonium bromide) [25]) and F-containing monomers (e g fluorocarbon cationic surfmer

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Adsorption of Dialkyl Phthalate Esters on Carbon

Dialkyl phthalate esters (DPEs) with endocrine disrupting functions are widely used and categorized as priority pollutants Carbon nanotubes (CNTs) as strong adsorbents could influence the fate transport and bioavailability of DPEs in the environment Understanding adsorptive interactions between CNTs and DPEs is critical to the environmental applications of CNTs

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MSDS DURALAY POWDER dialkyl phthalate CAS

Name:DIALKYL PHTHALATE Other REC Limits:LT 15 MIN=5 MPM ACGIH TLV:10MG/M3 NUISNCE DUST ===== Hazards Identification ===== LD50 LC50 Mixture:LD50 ORAL (RAT) IS NOT ESTABLISHED Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO

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Mutual effects of dialkyl phthalate esters and humic acid

Various reaction sequences of mutual sorptions of dimethyl phthalate (DMP) or diethyl phthalate (DEP) and humic acid (HA) on single-walled carbon nanotubes (SWCNT) and multi-walled carbon nanotubes (MWCNT) were studied The results indicate that the sorption of DMP and DEP on CNT decreases owing to its competition effect in the presence of HA

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Phthalate Family Degradation Pathway

The major metabolites of the dialkyl esters are corresponding monoalkyl esters and phthalate Demethylation of the alkyl side chains was also observed as a concurrent minor process The degradation of dibutyl phthalate is provided here as an example and other phthalate esters follow similar pathways (Hirofumi et al 2010)

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CAS No 68515

Dioctyl Phthalate Min Order: 2 Kilogram FOB Price: USD $ 0 0-0 0/Kilogram Henan Coreychem co LTD focus on high complex new type intermediates and fine chemical custom synthesis scale-up production and rare chemicals trade Product category including IntermediatesAPI Catalyst and Electronic Chemicals Covering 811 square m

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Plasticizers: Types Uses Classification Selection

Dimethyl phthalate (DMP) MP: 2C (36F 275 K) BP: 283 to 284C : C 10 H 10 O 4: DMP is a dimethyl ester of 1 2- benzenedicarboxylic acid It is a colorless liquid with a slight aromatic odor Diisotridecyl phthalate (DTDP) MP: -28 to -27C BP: 350C : C 34 H 58 O 4: DTDP is the highest weight dialkyl phthalate to be used as a plasticizer

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Mechanism of dialkyl phthalates removal from aqueous

Phthalate esters have been known as potent endocrine disruptors and carcinogens and their removal from water have been of considerable concern recently In the present study gamma-cyclodextrin polyurethane polymer (GPP) gamma-cyclodextrin/starch polyurethane copolymer (GSP) and starch polyurethane polymer (SPP) have been synthesized and characterized

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7 Final Report on the Safety Assessment of Dibutyl

Dibutyl Phthalate (DBP) Dimethyl Phthalate (DMP) and Diethyl Phthalate (DEP) are dialkyl phthalates used primarily in cosmetics at concentrations of less than 10 percent as plasticizers solvents and perfume fixatives These phthalates are rapidly absorbed metabolized and excreted

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Diethyl phthalate

Diethyl phthalate (DEP) is a phthalate ester appears as a clear colorless liquid without significant odor More dense than water and insoluble in water Hence sinks in water Biodegradation Biodegradation by microorganisms Biodegradation of DEP in soil occurs by sequential hydrolysis of the

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Monoester Formation by Hydrolysis of Dialkyl Phthalate

CiteSeerX - Document Details (Isaac Councill Lee Giles Pradeep Teregowda): The migration dialkyl phthalate was tested in vol-unteers who chewed polyvinyl chloride (PVC) toy products under controlled conditions The PVC toy samples consisted of ball A containing 100 and 185 mg/ g di-n-butyl phthalate (DBP) and di-2-ethylhexyl ph-thalate (DEHP) respectively and ball B containing 256 mg/g

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