Name | 1,2,3,4-Tetrabromobutane |
Synonyms | fireguard5000 Fireguard 5000 Tetrabromobutane Butadiene tetrabromide 1,2,3,4-tetrabromo-butan 1,2,3,4-Tetrabromobutane 1,2,3,4-TETRABROMOBUTANE (2R,3S)-1,2,3,4-tetrabromobutane |
CAS | 1529-68-6 |
EINECS | 216-221-2 |
InChI | InChI=1/C4H6Br4/c5-1-3(7)4(8)2-6/h3-4H,1-2H2/t3-,4+ |
Molecular Formula | C4H6Br4 |
Molar Mass | 373.71 |
Density | 2.5297 (rough estimate) |
Melting Point | 115.05°C |
Boling Point | 259.32°C (rough estimate) |
Flash Point | 138.3°C |
Vapor Presure | 0.00115mmHg at 25°C |
Refractive Index | 1.6106 (estimate) |
Physical and Chemical Properties | Racemic in petroleum ether precipitation thin crystals, melting point 40-41 ℃, soluble in ethanol, ether, acetone and petroleum ether, insoluble in water. Meso-type in ethanol precipitation of needle-like crystals, melting point 118-119 ℃, boiling point 180-181 ℃(8.0kPa), soluble in ethanol, acetone, chloroform, slightly soluble in petroleum ether, insoluble in water. |
Use | As a flame retardant for self-extinguishing polystyrene foam. |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Introduction | 1,2,3, 4-tetrabromobutane is mainly used in chemical industry, such as for the preparation of anti-aging plastic products, high flame retardant polyvinyl chloride plastics. |
Use | as a flame retardant for self-extinguishing polystyrene foam. |
production method | 1,3-butadiene and bromine were added in chloroform solvent, reaction temperature was 60 ℃, the reaction was carried out for 10-12 hours. The reaction product was vacuum filtered, washed with ethanol and dried to obtain the product. |