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Merck

62035

Poli(etilenglicol)-bloque-poli(propilenglicol)-bloque-poli(etilenglicol))

oxyethylene 71.5-74.9 %

Sinónimos:

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), Lutrol F 127

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Número CAS:
9003-11-6
UNSPSC Code:
12352104
NACRES:
NA.25
MDL number:
MFCD00082049

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form

powder

Quality Level

100

mol wt

average mol wt 9840 -14600 g/mol (MMMolecular weightMolecular weight
Molecular wei
g)

composition

oxyethylene, 71.5-74.9%

impurities

≤1 ppm ethylene oxide, ≤0.25% ethylene glycol and diethylene glycol, ≤0.4% total ash, ≤0.75% water, ≤2 ppm arsenic traces, ≤20 ppm heavy metals, ≤5 ppm dioxan, ≤5 ppm propylene oxide, 50-125 ppm butylhydroxytoluene

ign. residue

≤0.30%

color

APHA: ≤120, 50/50 in CH3OH

pH

5.0-7.5 (1:40 in H2O)

solubility

10%, clear, colorless

density

1,06 g/cm3 at 25 °C

application(s)

chemicals and industrial polymers

SMILES string

O2C(C2)C.O1CC1

InChI

1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

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1 of 4

Este artículo
P21640301.37112P2164021
Poloxamer 407 oxyethylene 71.5-74.9 %

Sigma-Aldrich

62035

Poloxamer 407

Poloxamer 407 European Pharmacopoeia (EP) Reference Standard

P2164030

Poloxamer 407

Poloxamer 188 EMPROVE® EXPERT, (stabilized with 70ppm BHT), Ph. Eur., ChP, NF

SAFC

1.37112

Poloxamer 188

Poloxamer 338 European Pharmacopoeia (EP) Reference Standard

P2164021

Poloxamer 338

impurities

≤0.25% ethylene glycol and diethylene glycol, ≤0.75% water, ≤2 ppm arsenic traces, ≤5 ppm dioxan, 50-125 ppm butylhydroxytoluene, ≤0.4% total ash, ≤20 ppm heavy metals, ≤1 ppm ethylene oxide, ≤5 ppm propylene oxide

impurities

-

impurities

-

impurities

-

solubility

10%, clear, colorless

solubility

-

solubility

-

solubility

-

Quality Level

100

Quality Level

-

Quality Level

500

Quality Level

-

composition

oxyethylene, 71.5-74.9%

composition

-

composition

-

composition

-

ign. residue

≤0.30%

ign. residue

-

ign. residue

-

ign. residue

-

color

APHA: ≤120, 50/50 in CH3OH

color

-

color

-

color

-

Application

Poloxamer 407 has been widely used as a thickening agent and gel binder.

Other Notes

The Poloxamer 407 grades are poloxamers from the extensive line of Pluronic® block copolymers.

Legal Information

Pluronic is a registered trademark of BASF

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
BCCN4154
BCCP1727
BCCL8133
BCCK9605
BCCH1473

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Liyan Zhao et al.
Colloids and surfaces. B, Biointerfaces, 97, 101-108 (2012-05-23)
In this study, curcumin (Cur) loaded mixed micelles (Cur-PF), composed of Pluronic P123 (P123) and Pluronic F68 (F68), was prepared using the thin-film hydration method and evaluated in vitro. The preparation process was optimized with a central composite design (CCD).
Wei Xu et al.
Drug delivery, 19(4), 208-219 (2012-05-31)
The aim of this study was to construct novel targeting polymeric micelles. Folate-Poly (ethylenimine)-Pluronic copolymers were synthesized. A paclitaxel (PTX)-loaded mixed micelles consisting of Folate-Poly (ethylenimine)-Pluronic and Pluronic L121 copolymers have been developed. The mixed micelles showed nano-sized spherical morphology.
Céline Durand-Gasselin et al.
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Aggregation of thermosensitive polymer-coated gold nanoparticles was performed in aqueous solution in the presence of a triblock copolymer poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) (Pluronic P123, PEO(20)-PPO(68)-PEO(20)). The gold nanoparticles, AuNPs, which are covered by thermosensitive statistical copolymers poly(EO(x)-st-PO(y)), aggregate when the
Jianan Shen et al.
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The metastasis of breast cancer is the leading cause of cancer death in women, and the lung is a common location of a secondary tumor that has metastasized from the primary source tumor. In this work, an attempt to simultaneously
Irshad A Wani et al.
Colloids and surfaces. B, Biointerfaces, 101, 243-250 (2012-09-27)
Silver nanoparticles have been synthesized in the inverse microemulsions formed using three different surfactants viz., cetyl-trimethyl ammonium bromide (CTAB), Tergitol and Triton X-100. We have done a systematic study of the effect of the surfactants on the particle size and
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Preguntas

1–5 de 5 Preguntas  

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

    1 respuesta

    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

      ¿Le ha resultado útil?

  2. I plan to dissolve the Poloxamer 407 powder (Sigma, 16758) in sterile distilled water at 4°C overnight and use it as a solution. Could you provide information on the optimal storage temperature and shelf life for the solution form?

    1 respuesta

    1. There is no information available on the shelf life of Poloxamer 407 in solution. It is typically recommended to store solutions at room temperature.

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

    1 respuesta

    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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  4. How about the Mw of the product?

    1 respuesta

    1. The average molecular weight of this product is 10000 to 14600 g/mol.

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  5. is it a pharma grade ?

    1 respuesta

    1. This product is not pharma grade.

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