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465151

Sigma-Aldrich

Bis(2-hydroxyethyl) terephthalate

Synonim(y):

Bis(β-hydroxyethyl) terephthalate, Bis(2-hydroxyethyl) terephthalate, Bis(ethylene glycol) terephthalate, Bis(hydroxyethyl) terephthalate, Terephthalic acid diethylene glycol ester

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100 G
246,00 zł
500 G
849,00 zł

246,00 zł

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Wszystkie zdjęcia(3)

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100 G
246,00 zł
500 G
849,00 zł

About This Item

Wzór liniowy:
C6H4-1,4-(CO2CH2CH2OH)2
Numer CAS:
959-26-2
Masa cząsteczkowa:
254.24
Numer WE:
213-497-6
Numer MDL:
MFCD00081066
Kod UNSPSC:
12162002
Identyfikator substancji w PubChem:
24870250
NACRES:
NA.23

246,00 zł

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Poproś o zamówienie zbiorcze

Formularz

solid

Poziom jakości

100

mp

106-109 °C (lit.)

ciąg SMILES

OCCOC(=O)c1ccc(cc1)C(=O)OCCO

InChI

1S/C12H14O6/c13-5-7-17-11(15)9-1-2-10(4-3-9)12(16)18-8-6-14/h1-4,13-14H,5-8H2

Klucz InChI

QPKOBORKPHRBPS-UHFFFAOYSA-N

Powiązane kategorie

Opis ogólny

Bis(2-hydroxyethyl) terephthalate belongs to the class of monomers known as diols or glycols. It is widely used to synthesize unsaturated polyester resins, polyethylene terephthalate (PET), and new biocompatible polymer systems. BHET can also be used as a plasticizer in polyester resins and rigid or flexible polyurethanes. Additionally, BHET and its derivatives have also been investigated for their potential use in biomedical applications, including drug delivery and tissue engineering, due to their excellent biocompatibility and mechanical properties.[1]

Zastosowanie

Bis(2-hydroxyethyl) terephthalate canbe used as a monomer to prepare biodegradable aromatic-aliphatic copolyestersfor sustainable flexible packaging applications. The incorporation of BHET as abuilding block offers a promising approach to enhancing the properties ofbiodegradable plastics and promoting sustainable packaging solutions.
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Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

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Certyfikaty analizy (CoA)

Lot/Batch Number
WXBF1572V
WXBF0249V
WXBD8785V
MKCR8299
MKCS2587

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Tereftalan dimetylu for synthesis

Sigma-Aldrich

8.08177

Tereftalan dimetylu

Politereftalan etylenu United States Pharmacopeia (USP) Reference Standard

USP

1546900

Politereftalan etylenu

Plastic additive 27 European Pharmacopoeia (EP) Reference Standard

Y0002024

Plastic additive 27

Kwas tereftalowy for synthesis

Sigma-Aldrich

8.00762

Kwas tereftalowy

Dimethyl terephthalate purum, ≥99.0% (GC)

Sigma-Aldrich

86440

Dimethyl terephthalate

Study on depolymerization of waste polyethylene terephthalate into monomer of bis(2-hydroxyethyl terephthalate
Guoxi Xi, et al.
Polymer Degradation and Stability, 87, 117-120 (2005)
Yanbo Zhang et al.
International journal of biological macromolecules, 166, 251-258 (2020-10-31)
Hydrothermal degradation was used to pretreat terylene with an aim of noticeably improving the yield of fermentable monomers: terephthalic acid (TPA), mono (2- hydroxyethyl) terephthalic acid (MHET), bis-hydroxyethyl terephthalate (BHET), and ethylene glycol (EG). After 0.5 h of reaction time at
Martin Eckardt et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 36(12), 1882-1894 (2019-09-04)
Linear and cyclic oligomers are unavoidable non-intentionally added substances (NIAS) present in food contact materials made from common polyesters such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT) and polyester coatings. Although polyester oligomers can migrate into fats in significant amounts
Uschara Thumarat et al.
Journal of bioscience and bioengineering, 120(5), 491-497 (2015-04-26)
This study described the genetic map of tandem genes (est1 and est119) encoding cutinase-type polyesterases in Thermobifida alba AHK119 and comparison of wild type and mutant enzymes of Est1 and Est119. Two genes were independently and constitutively expressed. The activity
Makoto Furukawa et al.
ChemSusChem, 11(23), 4018-4025 (2018-10-07)
Enzymatic degradation of poly(ethylene terephthalate) (PET) is promising because this process is safer than conventional industrial approaches. Recently, a cationic PET hydrolase (PETase) was identified from Ideonella sakaiensis. Pre-incubation of a low-crystallinity PET film with anionic surfactants prior to initiating

Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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