Catechol (Pyrocatechin)*(Class6.1)(GROUND UPS ONLY) Choose ups ground at checkout

Product Description

10-0340 10 g, 10-0340 100 g, 10-0340 1 lb

Be sure to choose the correct shipping (UPS GROUND) during checkout to prevent delays.

No shipping by mail (USPS) or outside the Continental USA (lower 48 States only), Unable to ship to Canada. UPS Ground only!

Catechol

Posted by wsg on 6th Jan 2026

High quality white crystals used for staining developer and shipped in black sealed package. Very fast shipping. Really appreciate offering of 10 g size.
Pyrocat-HDC

Posted by Unknown on 23rd Dec 2025

Arrived via UPS promptly after ordering. Used to make Pyrocat-HDC in glycol. Developed an 8x10 an hour ago and it does a very nice job indeed.
Excelente

Posted by Ricardo on 12th Feb 2024

Excelente descripción, y tiempo de envío.
This Is What You Need to Make Sandy King's Pyrocat-HD

Posted by Unknown on 21st Feb 2019

All the products I have received from PF have been fresh and potent. No surprises, but verify anyway.
Catechol is my favorite developiung agent

Posted by Unknown on 4th Jul 2017

The best and fastest supplier is PF!
I just wish they would find some better plastic peanuts.
What I get from the Formulary is always as advertised and fresh.
Good price and prompt delivery

Posted by Unknown on 20th Mar 2015

Finding reasonably priced catechol ... not too easy. This is a good shop for those who make their own witches brews.