1-Bromonaphthalene/α- Bromonaphthalene

English Name: 1-bromonaphthalene; α- Bromonaphthalene

Other names: α- Bromonaphthalene; 1-Naphthalene bromide; α- Bromonaphthalene; 1-Bromonaphthalene 

CAS No.: 90-11-9

C10H7Br=207.07

Grade: CP

Density (20 ℃):1.482 ~ 1.492g/ml

Refractive index (n20d):1.657 ~ 1.659

Acidity (calculated by h+): ≤ 0.06mmol/100g

Bromide (BR): ≤ 0.005%

Moisture: ≤ 0.05%

Physicochemical  Property: colorless oily liquid. The smell is stronger than naphthalene. Sensitive to light. When it becomes a solid, there are two types, with melting points of 0.2 ~ 0.7 ℃ and 6.2 ℃ respectively. It turns black after distillation under the pressure of 101.32kpa, and it can remain colorless after distillation under the pressure of 2.13 kPa. It can volatilize with water vapor. It is miscible with ethanol, ether and chloroform and slightly soluble in water. Boiling point 281.1 ℃. Flash point ≥ 110 ℃. Median lethal dose (human, abdominal cavity) 810mg/kg.

Purpose: biochemical research. Organic synthesis. Determination of refractive index of oil and fat. Determination of water in alcohol by cloud point method

Save: RT, away from light