CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Solid; [Merck Index] Gray crystalline solid; [Sigma-Aldrich MSDS] |
|---|---|
| Chemical Classes | Other Classes -> Aliphatic Ketones, Other |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 114.06 g/mol |
|---|---|
| XLogP3 | -0.7 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 113.99530854 g/mol |
| Monoisotopic Mass | 113.99530854 g/mol |
| Topological Polar Surface Area | 74.6 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 178 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Squaric acid is a carbon oxoacid that consists of 1,2-diketocyclobut-3-ene bearing two enolic hydroxy substituents at positions 3 and 4. It has a role as a metabolite. It is a carbon oxoacid and an alicyclic ketone. It is a conjugate acid of a hydrogensquarate.

