1,4-Dibromo-2,5-bis[2-(trimethylsilyl)ethynyl]benzene CAS 478190-79-3

Purity 97%+In StockPharmaceutical Standards
CAS No.478190-79-3
Molecular FormulaC16H20Br2Si2
Molecular Weight428.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,4-Dibromo-2,5-bis[2-(trimethylsilyl)ethynyl]benzene CAS 478190-79-3 chemical structure

Description

CATO supplies 1,4-Dibromo-2,5-bis[2-(trimethylsilyl)ethynyl]benzene (CAS 478190-79-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H20Br2Si2. Molecular weight: 428.31 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC16H20Br2Si2
Molecular Weight428.31 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing

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