NP-40

• Polyethylene glycol (40) - nonylphenol ether
• PEG-40 nonylphenol ether
• Nonoxynol 40
• Tergitol NP -40 ( Nonidet P-40 ≠ )

White solid

Fixed

1.05 g · cm -3 ( 20 ° C)

Soluble in water

Risk

Template: Infobox chemical / molecular formula search available

Nonoxynol 40 is a nonionic surfactant from the group of nonylphenol ethoxylates. Nonoxynol 40 is an n -nonylphenol - polyethylene glycol derivative having a side chain, of 40 ethylene oxide units. It is included in the No - longer polymer list.

Use

Nonoxynol- 40 is used as a detergent use in biochemistry.