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345296

Poly(tetrahydrofuran)

average Mn ~1,000

Synonym(s):

α-Hydro-ω-hydroxypoly(oxy-1,4-butanediyl), Poly(1,4-butanediol), polyTHF

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25 ML

$72.00

1 L

$133.00

3 L

$305.00

18 L

$1,150.00

$72.00

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About This Item

Linear Formula:
H(OCH2CH2CH2CH2)nOH
CAS Number:
25190-06-1
NACRES:
NA.23
PubChem Substance ID:
24861307
UNSPSC Code:
12162002
MDL number:
MFCD00148879

Key Documents

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Quality Level

200

vapor pressure

<0.01 mmHg ( 25 °C), <1 mmHg ( 20 °C)

mol wt

average Mn ~1,000

contains

0.05-0.07% BHT as stabilizer

mp

25-33 °C

density

0.974 g/mL at 25 °C

SMILES string

OCCCCO

InChI

1S/C8H18O2/c1-3-5-6-10-8(4-2)7-9/h8-9H,3-7H2,1-2H3/t8-/m0/s1

InChI key

BJZYYSAMLOBSDY-QMMMGPOBSA-N

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1 of 4

This Item
345326345334567191
Poly(tetrahydrofuran) average Mn ~1,000

Sigma-Aldrich

345296

Poly(tetrahydrofuran)

Poly(tetrahydrofuran) average Mn ~2,000, contains BHT as stabilizer

Sigma-Aldrich

345326

Poly(tetrahydrofuran)

Poly(tetrahydrofuran) average Mn ~2,900

Sigma-Aldrich

345334

Poly(tetrahydrofuran)

2,2,3,3-Tetrafluoro-1,4-butanediol

Sigma-Aldrich

567191

2,2,3,3-Tetrafluoro-1,4-butanediol

mp

25-33 °C

mp

28-40 °C

mp

30-43 °C

mp

77-82 °C (lit.)

density

0.974 g/mL at 25 °C

density

0.972 g/mL at 25 °C

density

0.97 g/mL at 25 °C

density

-

vapor pressure

<0.01 mmHg ( 25 °C)

vapor pressure

<0.01 mmHg ( 25 °C), <1 mmHg ( 20 °C)

vapor pressure

<0.01 mmHg ( 25 °C), <1 mmHg ( 20 °C)

vapor pressure

-

mol wt

average Mn ~1,000

mol wt

average Mn ~2,000

mol wt

average Mn ~2,900

mol wt

-

contains

0.05-0.07% BHT as stabilizer

contains

BHT as stabilizer

contains

-

contains

-

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

100

Application

Poly(tetrahydrofuran) can be used as a starting material to prepare:
  • Thermally reversible urethane -epoxy networks.
  • Poly(hexamethylene 2,6-naphthalate)-block-poly(tetrahydrofuran) (PHN-b-N-pTHF) copolymers with shape memory effect via melt polycondensation.
  • Poly(3,4-ethylenedioxythiophene):poly(tetrahydrofuran) composite for the fabrication of memory organic electrochemical transistors.

Features and Benefits

  • High flexibility
  • Hydrolytic stability
  • Excellent abrasion resistance

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

>325.4 °F - Tag open cup

flash_point_c

> 163 °C - Tag open cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCN2028
MKCM7483
MKCL1289
MKCL0839
MKCH9070

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Jae Hyung Park et al.
Journal of biomedical materials research. Part A, 64(2), 309-319 (2003-01-11)
To investigate the effects of polymer chemistry and topology (linear or graft copolymer) on in vivo biocompatibility and biostability based on cage implant system, various hydrogels, composed of short hydrophilic [polyethylene oxide (PEO)] and hydrophobic block, were prepared by polycondensation
Jae Hyung Park et al.
Journal of biomaterials science. Polymer edition, 13(5), 527-542 (2002-08-17)
A multiblock copolymer composed of poly(ethylene oxide) (PEO) and poly(tetramethylene oxide) (PTMO) and which forms a physical hydrogel was blended with Pellethane, a commercial segmented polyurethane (SPU) developed for various biomedical devices, to provide a PEO-rich surface with improved stability.
G A Skarja et al.
Journal of biomedical materials research, 34(4), 439-455 (1997-03-15)
The adhesion of platelets to a series of segmented polyurethanes having sulfonate groups in the hard segment is reported. The polyurethanes were synthesized using sulfonated chain extenders of different structure. Analogous control materials without sulfonate groups also were studied. Adhesion
Mi-Young Koh et al.
Journal of materials science. Materials in medicine, 21(2), 385-392 (2009-09-17)
The osteoconduction potential of artificial materials is usually evaluated in vitro by apatite formation in a simulated body fluid (SBF) proposed by Kokubo and his colleagues. This paper reports the compositional dependence of apatite formation on organic-inorganic hybrids in the
H B Lin et al.
Journal of biomedical materials research, 28(3), 329-342 (1994-03-01)
In an attempt to improve endothelial cell adhesion and growth on a polyurethane copolymer, cell adhesive RGD-containing peptides were grafted to the polymer backbone. Two peptide grafting reaction schemes, including one-step and two-step approaches, were developed. FTIR and amino acid
View All Related Papers

Global Trade Item Number

SKUGTIN
345296-25ML04061837797323
345296-1L04061826760536
345296-18L04061837797316
345296-3L04061826760543

Questions

1–2 of 2 Questions  

  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/418/501/product-dating-information-06-25-mk.pdf

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  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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