Yancheng Sanhe Biochemical Co., Ltd.--1-Bromododecane|143-15-7

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Sanhe Biochemical

1-Bromododecane

Product name	1-Bromododecane
English alias	Dodecyl bromide; Lauryl bromide;
Structural formula
Molecular formula	C₁₂H₂₅Br
Molecular weight	249.23100
Appearance	Colorless Transparent Liquid
Melting point	−11~−9 ℃(lit.)
Relative density	1.040 g/mL at 20 ℃
Boiling point	134-135 ℃6 mm Hg(lit.)
Water solubility	Insoluble
Refractivity	n20/D 1.458(lit.)
Content	≥99.0%
Moisture	≤0.05%
Stability	Stable. Combustible. Incompatible with strong oxidizing agents, strong bases.
Flash point	>230 °F
Vapor pressure	0.00817mmHg at 25℃
Storage	The warehouse is ventilated and dried at low temperature, and stored separately from oxidants and food additives.
Use	Surfactants. Mainly used in organic synthesis, it is used in medicine to synthesize disinfectants such as bromogeramide and domimifen.
Production method	Obtained by the reaction of lauryl alcohol (n-dodecanol) with hydrobromic acid: add lauryl alcohol to an enamel glass reaction pot, stir and cool, and slowly add sulfuric acid. Stir for 1 hour, then add hydrobromic acid. The temperature gradually increased to 90-95 ℃, and the stirring reaction lasted for 8 hours. The reaction is complete, cool to 30 ℃ and let stand for 8 hours. Separate the acid layer, adjust the pH of the oil layer with dilute alkaline solution, remove the alkaline solution, and wash with 50% ethanol. Vacuum distillation is used to collect products from fractions at 140-200 ℃ (3.33kPa). The yield is over 90%.
UN No.
Hazard class
Packing group
HS code	2903399090
Packing	200KGS/Closed steel drum
CAS #	143-15-7

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