Squaric acid

Purity: 98%

Synonym(s): Squaric acid; 1-Cyclobutene-3, 4-dione-1, 2-diol 3, 4-Dihydroxy-3-cyclobutene-1, 2-dione

Formula: C4H2O4 Molecular Weight: 114.06

CAS Number: 2892-51-5 Beilstein Number: 774275 EC Number: 220-761-4 MDL Number: MFCD00001334 PubChem CID: 17913

Properties

Shelf life: 1460 days

Solubility: Soluble in water.

Sensitivity:

Boiling point:

Melting point: 300°C

InChl: InChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H

Safety Information

Pictograms: GHS07

Signal Word: Warning

Hazard Statements: H315; H319; H335; H317

Precautionary Statements: P261; P305+P351+P338; P280; P302+P352; P321; P405; P501; P264; P271; P304+P340; P403+P233; P272; P333+P313; P362+P364; P264+P265; P337+P317; P332+P317; P319

WGK: 3

Storage:

Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Faceshields, Gloves