Triton X-100


Octoxynol, (p-tert-Octylphenoxy)polyethoxyethanol, O-[4-(1,1,3,3-Tetramethylbutyl)phenoxy]polyethoxyethanol, Polyethyleneglycol-[4-(1,1,3,3-tetramethylbutyl)phenyl]-ether, t-Octylphenoxypolyethoxyethanol, Polyethylene glycol tert-octylphenyl ether
Linear Formula:
t-Oct-C6H4-(OCH2CH2)xOH, x= 9-10
CAS Number:
Beilstein/REAXYS Number:
MDL number:

storage conditions

Store at +15°C to +25°C.


Ph. Eur.

Quality Level

vapor pressure

<0.01 hPa ( 20 °C)

product line



1900-5000 mg/kg LD50, oral (Rat)
>3000 mg/kg LD50, skin (Rabbit)

mol wt

micellar avg mol wt 80,000
average mol wt 625

aggregation number



5.0-8.0 (20 °C, 10 g/L in H2O)


0.2-0.9 mM (20-25°C)


>200 °C/1013 hPa

transition temp

flash point 251 °C
cloud point 65 °C
pour point ~7 °C


1.07 g/cm3 at 20 °C



storage temp.


SMILES string




InChI key


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General description

Finding the right chemical that matches your pharma and biopharma manufacturing needs as well as regulatory demands can be a complicated challenge. With our application know-how and regulatory expertise, we support you in every step of development, scale-up, and production.As part of our Emprove® Program, our raw materials are offered with extensive documentation facilitating compliance of your pharma and biopharma product, full supply chain transparency and risk mitigation. Our SAFC® portfolio of high-quality products for pharma and biopharma manufacturing withstands strict quality control procedures and is produced according to applicable cGMP guidelines.

Biochem/physiol Actions

Widely used non-ionic surfactant for recovery of membrane components under mild non-denaturing conditions.

Other Notes

Due to its low microbial and endotoxin limits, Triton X-100 Emprove® Expert is suitable for biopharma manufacturing needs.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany
Triton is a trademark of The Dow Chemical Company or an affiliated company of Dow

Certificate of Analysis

Certificate of Origin

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