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H51488 3-Isopropoxy-4-(tri-n-butylstannyl)-3-cyclobutene-1,2-dione, 97%

CAS Number

Stock No. Size Price ($) Quantity Availability
H51488-MD 250mg 474.00
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3-Isopropoxy-4-(tri-n-butylstannyl)-3-cyclobutene-1,2-dione, 97%


Chemical Properties

Formula Weight
Storage & Sensitivity
Ambient temperatures.
Sparingly soluble in water.


3-Isopropoxy-4-(tri-n-butylstannyl)-3-cyclobutene-1,2-dione is used as pharmaceutical intermediate.


Stable under recommended storage conditions. Store away from oxidizing agents.

Literature References

Lanny S.Liebeskind; Richard W.Fengl. 3-Stannylcyclobutenediones as nucleophilic cyclobutenedione equivalents. Synthesis of substituted cyclobutenediones and cyclobutenedione monoacetals and the beneficial effect of catalytic copper iodide on the Stille reaction. J. Org. Chem. 1990, 55, (19),5359-5364


Lanny S.Liebeskind; Marvin S.Yu; Richard H.Yu; Jianying Wang; Karl S.Hagen. 4,4'-Bi(cyclobutene-1,2-diones): bisquaryls. J. Am. Chem. Soc. 1993, 115, (20),9048-9055

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H312-H315-H319-H372

Toxic if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. Causes damage to organs through prolonged or repeated exposure.

Precautionary Statements: P260-P264b-P270-P280-P301+P310-P302+P352-P305+P351+P338-P312-P314-P330-P332+P313-P337+P313-P362-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. Get medical advice/attention if you feel unwell. Rinse mouth. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


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