1,4-DIBROMO-2,3-BIS(BROMOMETHYL)-2-BUTENE CAS No.30432-16-7

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Category	Information
Basic Information
Chemical Name	1.4-Dibromo-2.3-bis(bromomethyl)-2-butene
CAS Number	5576-45-8
Molecular Formula	C6H8Br4
Molecular Weight	381.75 g/mol
Synonyms	2.3-Bis(bromomethyl)-1.4-dibromo-2-butene; Dibromobis(bromomethyl)-2-butene; 1.4-Dibromo-2.3-bis(bromomethyl)but-2-ene
Physical Properties
Appearance	Colorless to pale yellow crystalline solid
Density	Approximately 2.3 g/cm³
Melting Point	94-96 °C
Boiling Point	Not available (high molecular weight and bromine content)
Solubility	Insoluble in water; soluble in organic solvents such as acetone, dichloromethane, and toluene
Chemical Properties
Functional Groups	Bromine atoms and bromomethyl groups on a butene backbone
Reactivity	Highly reactive due to the presence of multiple bromine atoms; undergoes substitution and elimination reactions
Uses
Primary Use	As an intermediate in the synthesis of organic compounds, particularly flame retardants and pharmaceuticals
Other Applications	In the preparation of polybrominated diphenyl ethers (PBDEs) and other brominated flame retardants
Safety Information
Risk Statements	R20/22 (Harmful by inhalation and if swallowed), R36/37/38 (Irritating to eyes, respiratory system, and skin)
Safety Statements	S26 (In case of contact with eyes, rinse immediately with plenty of water and seek medical advice), S36/37/39 (Wear suitable protective clothing, gloves, and eye/face protection), S45 (In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible))
Hazard Class	Harmful (Xn), Flammable solid (F)

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