You can email us at, or call us on 01202 539791.Email: Phone: 01202 539791.


Squaric Acid (3,4-Dihydroxy-4-Cyclobutene-1,2-Dione)

Squaric acid or 3,4-Dihydroxy-3-cyclobutene-1,2-dione is used to produce diethoxy-cyclobutenedione by heating, pharmaceutical intermediates, squarylium dyes, and photoconducting squaraines; The dibutylester is used as a contact sensitizer in the treatment of alopecia and warts.

Product Details

Category Cosmetic Raw Materials
Pharma Compounds & Neutraceuticals
Price Custom packed. Request price on line.
CAS Number 2892-51-5
Formula C4H2O4
Molecular Weight 114.06
Purity 99.0%
Appearance white to light yellow powder
Availability In Stock
Storage Conditions Room temperature
MDL Number Request if not shown

Product Enquiry

Send us your enquiry for Squaric Acid (3,4-Dihydroxy-4-Cyclobutene-1,2-Dione). We offer custom pack sizes at special prices. We aim to respond to your enquiry within 24 hours.

We value your input so if you have suggestions regarding new applications for Squaric Acid (3,4-Dihydroxy-4-Cyclobutene-1,2-Dione) email us and we will include your contribution on the website.

Enquire about product

Back to Top