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16758

Sigma-Aldrich

Poli(etilenoglicol)-bloco-poli(propilenoglicol)-bloco-poli(etilenoglicol)

purified, non-ionic

Sinônimo(s):

Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)

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About This Item

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

Nível de qualidade

100

forma

powder

qualidade

purified

Impurezas

≤1.0% water

pH

5.0-7.5

solubilidade

soluble, clear, colorless

traços de cátion

Al: ≤5 mg/kg
As: ≤0.05 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤1000 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

Absorção UV

λ: 260 nm Amax: ≤0.3
λ: 280 nm Amax: ≤0..2

adequação

no residue for filter test

temperatura de armazenamento

2-8°C

InChI

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

chave InChI

RVGRUAULSDPKGF-UHFFFAOYSA-N

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Descrição geral

Poloxamer 407 is a water-soluble, non-ionic surfactant with low toxicity and good solubilizing capacity. This triblock copolymer is composed of a hydrophobic residue of polyoxypropylene (POP) flanked by two hydrophilic units of polyoxyethylene (POE).

Aplicação

Poloxamer 407 has been used:
  • as an inhibitor of lipoprotein lipase activity to assess hepatic very-low-density lipoprotein (VLDL)- triglyceride (TG) secretion in mice
  • for VLDL secretion assay in mice
  • to intraperitoneally inject the mice by dissolving in phosphate buffer saline (PBS) for hepatic triglyceride production

Ações bioquímicas/fisiológicas

Poloxamer 407 (P407) exhibits reversible gelation properties above a particular polymer concentration and temperature. Poloxamer 407-based sterile injectable formulations serve to be a good candidate for drug delivery. P407 thermo-responsive hydrogels are broadly used as mucosal drug delivery systems as they do not irritate the mucosal membranes. P407 is called an “inactive ingredient” by the U.S. Food and Drug Administration (FDA) for several drug products like oral solutions, suspensions, and inhalation formulations.

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Preços

08168

Timestrip Plus™ 8 °C

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificados de análise (COA)

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