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Polyethylene glycol

10000, for synthesis

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Poly(ethylene glycol), Polyethylene glycol 10000, Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 10000, PEG
Linear Formula:
CAS Number:
MDL number:
EC Index Number:

vapor pressure

<0.01 hPa ( 20 °C)

Quality Level



autoignition temp.

340 °C


28000 mg/kg LD50, oral (Rat)
>20000 mg/kg LD50, skin (Rabbit)


5-7 (20 °C, 100 g/L in H2O)

kinematic viscosity

500-900 cSt(20 °C)


58-63 °C

transition temp

flash point 265 °C


1.2 g/cm3 at 20 °C

bulk density

400‑500 kg/m3

storage temp.

no temp limit

SMILES string




InChI key


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General description

Polyethylene glycol (PEG) is a synthetic, hydrophilic, biocompatible polymer that has a wide range of uses in PEGylation, surface conjugation, nanoparticle coating, and crosslinking for hydrogels. PEGs are made by polymerizing ethylene oxide via a ring-opening reaction to produce a wide range of molecular weights and molecular weight distributions (polydispersity).


Polyethylene glycol 10000 can be used as a surfactant in the synthesis of Ni12P5 hollow microspheres via the hydrothermal method in the presence of hexamethylenetetramine (HMT). PEG 10000 significantly improves the formation of high-quality hollow microspheres, without this surfactant morphology is near-spherical particles.
It can also be used as:
  • A reactant to synthesize N-PEGylated-thiazolium salt, which is used as an organocatalyst for the benzoin condensation.
  • A nonionic dispersive agent in the preparation Nd2Si2O7 ceramic pigment by a co-precipitation method.

Analysis Note

Melting range (lower value): ≥ 59 °C
Melting range (upper value): ≤ 64 °C
Hydroxyl value: 9 - 12
Average molecular mass: 9000 - 12500
Identity (IR): passes test

Storage Class

10 - Combustible liquids




281.5 °F - closed cup


138.6 °C - closed cup

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N-PEGylated Thiazolium Salt: A Green and Reusable Homogenous Organocatalyst for the Synthesis of Benzoins and Acyloins
Haghighi AJ, et al.
Catalysis Letters, 151(6) (2021)
Effects of precipitant and surfactant on co-precipitation synthesis of Nd2Si2O7 ceramic pigment
Ke Shanjun, et al.
Dyes and Pigments, 118 (2015)
Jun Li et al.
Journal of colloid and interface science, 332(1), 231-236 (2009-01-16)
In this paper, we report the successful synthesis of Ni(12)P(5) hollow spheres via a facile hydrothermal route, employing white phosphorus (WP) and nickel nitrate as the reactants in the presence of hexamethylenetetramine (HMT) and polyethylene glycol 10000 (PEG-10000). The phase

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