[A15169] CAS 2892-51-5 | 3,4-Dihydroxy-3-cyclobutene-1,2-dione, 98+% | Alfa
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Brand: Alfa Aesar
2892-51-5 | C4H2O4 | squaric acid quadratsaeure quadratic acid
Chemical Identifiers
CAS
2892-51-5
Molecular Weight (g/mol)
114.06
Synonym
squaric acid quadratsaeure quadratic acid
SMILES
OC1=C(O)C(=O)C1=O
InChI Key
PWEBUXCTKOWPCW-UHFFFAOYSA-N
Molecular Formula
C4H2O4
IUPAC Name
dihydroxycyclobut-3-ene-1,2-dione
Specifications
Form
Powder or lumps
Identification (FTIR)
Conforms
Appearance (Color)
White to cream to pale brown to gray
Assay (Aqueous acid-base Titration)
≥98.0 to ≤102.0%
설명
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.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
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.
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.
Solubility
Soluble in water.
Notes
Keep container tightly closed. Store in cool, dry conditions in well sealed containers.
Other References:
UN Number:UN3261Beilstein:774275
GHS Hazard and Precautionary Statements
Hazard Statements:H315-H319-H335
GHS H StatementH314-H318Causes severe skin burns and eye damage.Causes serious eye damage.
Precautionary Statements:P261-P264b-P271-P280-P302+P352-P305+P351+P338-P312-P332+P313-P362-P501c
Risk & Safety
TSCA:YesRTECS Number:GU1800000
경고:RUO – Research Use Only
CAS2892-51-5FORMULAC4H2O4HAZARD CLASS8EINECS220-761-4MDLMFCD00001334PACKAGING GROUPII
| Pakage | 100g, 1g, 25g, 5g |
|---|---|
| brand | Alfa Aesar |
