1,2-Dibromobutane (533-98-2) is called for 1,2-Dibrombutan ; 1,2-dibromo-butan ; alpha-Butylene dibromide ; Butane,1,2-dibromo- ; α-Butylenedibromide ; LTBB002424 ; CID10792 ; NSC 6181 ,and so on. 1,2-Dibromobutane (533-98-2) is usually slightly yellow liquid.

IUPAC Name: 1,2-Dibromobutane
CAS: 533-98-2
Molecular Formula: C₄H₈Br₂
Molecular Weight: 215.91
Molecular structure:
EINECS: 208-581-4
Melting point:  -65°C
Merck:  14,1566
BRN:  1731380
ACD/LogD (pH 5.5): 2.96 
ACD/LogD (pH 7.4): 2.96 
ACD/BCF (pH 5.5): 104.36 
ACD/BCF (pH 7.4): 104.36 
ACD/KOC (pH 5.5): 969.34 
ACD/KOC (pH 7.4): 969.34 
H bond acceptors: 0 
H bond donors: 0 
Freely Rotating Bonds: 2 
Index of Refraction: 1.505 
Molar Refractivity: 36 cm³ 
Molar Volume: 121.3 cm³ 
Polarizability: 14.27 10^-24cm³ 
Surface Tension: 34 dyne/cm 
Density: 1.779 g/cm³ 
Flash Point: 44 °C 
Enthalpy of Vaporization: 38.5 kJ/mol 
Boiling Point: 165 °C at 760 mmHg 
Vapour Pressure: 2.51 mmHg at 25°C 

 1,2-Dibromobutane (533-98-2) is commonly used as chemical reagent.

Hazard Codes:  Xi,Xn
Risk Statements:  36/38-36/37/38-20/21/22 (36/38:  Irritating to eyes and skin 36/37/38:  Irritating to eyes, respiratory system and skin 20/21/22:  Harmful by inhalation, in contact with skin and if swallowed)
Safety Statements:  37/39-26 (37/39:  Wear suitable gloves and eye/face protection 26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
RIDADR:  2810
TSCA:  T
HazardClass:  6.1(b)
PackingGroup:  III

Removal in wastewater treatment of 1,2-Dibromobutane (533-98-2) can be stated as follows:
Total removal:16.53  percent
Total biodegradation:0.11  percent
Total sludge adsorption:4.60  percent
Total to Air:11.83  percent
(using 10000 hr Bio P,A,S)