IUPAC Name: 1,2-bis(Bromomethyl)benzene
Synonyms of 1,2-Bis(bromomethyl)benzene (CAS NO.91-13-4): alpha,alpha'-Dibromo-o-xylene ; o-Xylylene dibromide ; o-Bis(bromomethyl)benzene
CAS NO: 91-13-4
Molecular Formula: C₈H₈Br₂
Molecular Weight: 263.96
Molecular Structure:
EINECS: 202-042-7
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 0 Å²
Index of Refraction: 1.611
Molar Refractivity: 51.54 cm³
Molar Volume: 148.4 cm³
Surface Tension: 45.3 dyne/cm
Density: 1.778 g/cm³
Flash Point: 133.6 °C
Enthalpy of Vaporization: 49.04 kJ/mol
Boiling Point: 272.6 °C at 760 mmHg
Vapour Pressure: 0.01 mmHg at 25°C 
Melting Point: 91-94 °C(lit.)
Water Solubility: soluble, hydrolyses
Sensitive:  Lachrymatory
Appearance:white to light yellow crystal powder
Product Categories of 1,2-Bis(bromomethyl)benzene (CAS NO.91-13-4): Aromatic Halides (substituted)

Safety Information about 1,2-Bis(bromomethyl)benzene (CAS NO.91-13-4):
Hazard Codes: C
Risk Statements: 22-34 
R22: Harmful if swallowed. 
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 3448 6.1/PG 2
WGK Germany: 2
F: 8-19-21
HazardClass: 8
PackingGroup: III
HS Code: 29036990

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use foam, dry chemical, or carbon dioxide. 
Handling: Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale. Use only in a chemical fume hood.
Storage: Store in a cool, dry place. Store in a tightly closed container. Corrosives area.