Molecular structure of Propanoic acid, 3-bromo-2-(bromomethyl)- (CAS NO.41459-42-1) is:

Product Name: Propanoic acid, 3-bromo-2-(bromomethyl)-
CAS Registry Number: 41459-42-1
IUPAC Name: 3-bromo-2-(bromomethyl)propanoic acid
Molecular Weight: 245.89724 [g/mol]
Molecular Formula: C₄H₆Br₂O₂
XLogP3-AA: 1.3
H-Bond Donor: 1
H-Bond Acceptor: 2
Melting Point: 98-101 °C(lit.)
Storage temp.: 2-8°C 
Surface Tension: 54.3 dyne/cm
Density: 2.121 g/cm³
Flash Point: 127.2 °C
Enthalpy of Vaporization: 57.85 kJ/mol
Boiling Point: 286.7 °C at 760 mmHg
Vapour Pressure: 0.000666 mmHg at 25°C

Safty information about Propanoic acid, 3-bromo-2-(bromomethyl)- (CAS NO.41459-42-1) is:
Hazard Codes: C
Risk Statements: 34 
R34:Causes burns.
Safety Statements: 26-36/37/39-45 
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
F: 8
HazardClass: 8
PackingGroup: III

 Propanoic acid, 3-bromo-2-(bromomethyl)- , its cas register number is 41459-42-1. It also can be called 3-Bromo-2-(bromomethyl)propionic acid ; Bis(bromomethyl)acetic acid .It is a off-white to brown crystalline powder.