In article <22.214.171.124.20010130135855.00af6780 at norm.dpo.uab.edu>, the
eminent Paul S. Brookes. at BIOSCI/MRC Human Genome Mapping Project
Resource Centre wrote
> We use a product called "tergitol" from Sigma, which is one and the
> same with 100% NP-40. Unfortunately it is solid at room
> temperature, so you have to heat it up to pipet it for your final
My 5 year old Fluka 100% genuinely marked NP40 is and has always been
liquid at RT. Are you sure it is supposed to be solid?
The problem with being on the cutting edge is that you occasionally get
sliced from time to time....