Molecular Structure of 2-Bromo-2'-methoxyacetophenone (CAS NO.31949-21-0):

IUPAC: 2-Bromo-1-(2-methoxyphenyl)ethanone 
Molecular Formula: C₉H₉BrO₂
Molecular Weight: 229.07
EINECS: 250-870-2
Melting Point: 43-45^oC(lit.)
Density: 1.448 g/cm³
Flash Point: 123.2^oC
Boiling Point: 323.7^oC at 760 mmHg
Storage temp.: Keep Cold
Sensitive: Lachrymatory
Index of Refraction: 1.554
Molar Volume: 158.1 cm³
Surface Tension: 41.4 dyne/cm
Molar Refractivity: 50.69 cm³
Enthalpy of Vaporization: 56.57 kJ/mol
Vapour Pressure: 0.000257 mmHg at 25^oC
SMILES: BrCC(=O)c1ccccc1OC 
InChI: InChI=1/C9H9BrO2/c1-12-9-5-3-2-4-7(9)8(11)6-10/h2-5H,6H2,1H3 
InChIKey: GKNCPTLOPRDYMH-UHFFFAOYAL 

Safety Information of 2-Bromo-2'-methoxyacetophenone (CAS NO.31949-21-0):
Hazard Codes: C,T
Risk Statements: 34
R34:Causes burns.
Safety Statements: 22-26-36/37/39-45
S22:Do not breathe dust.
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 whenever possible.)
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
Hazard Note: Lachrymatory/Toxic/Keep Cold
HazardClass: 8
PackingGroup: III

 2-Bromo-2'-methoxyacetophenone with cas registry number of 31949-21-0 is also known as 2-Bromo-1-(2-methoxyphenyl)ethanone ; Ethanone, 2-bromo-1-(2-methoxyphenyl)- ; O-Methoxy phenacylbromide ; 2'-Methoxyphenacyl bromide ; 2-Bromo-1-(2-methoxyphenyl)Ethan-1-One ; 2-Bromo-2'-methoxyacetophenone ; 2-Methoxyphenacyl bromide ; 2-Methoxyphenacyl bromide 98% ; Acetophenone, 2-bromo-2'-methoxy- ; Bromomethyl 2-methoxyphenyl ketone . It is a compound with the appearance of white to greyish-green crystalline powder . It should be stored in a cool,dry place and kept away from oxidizing agents . 2-Bromo-2'-methoxyacetophenone with cas registry number of 31949-21-0 is used as a pharmaceutical intermediate .