Butyl decyl phthalate ,its register number is 89-19-0,it's aslo named as 1,2-Benzenedicarboxylic acid, butyl decyl ester ; 1,2-Benzenedicarboxylicacid,butyldecylester ; 1-Butyl 2-decyl phthalate ; Butyldecylphthalate ; Phthalic acid, butyl decyl ester ; Phthalicacid,butyldecylester ; Plasticizer BDP ; Plasticizerbdp ; WLN: 10OVR BVO4 ; PX 114 ; CID6963 ; NSC 16200 ,and so on.

IUPAC Name: 2-O-Butyl 1-O-decyl benzene-1,2-dicarboxylate
CAS: 89-19-0
Molecular Formula: C₂₂H₃₄O₄
Molecular Weight: 362.50296
Molecular structure:
EINECS: 201-885-8
ACD/LogD (pH 5.5): 8.01 
ACD/LogD (pH 7.4): 8.01 
ACD/BCF (pH 5.5): 724959.75 
ACD/BCF (pH 7.4): 724959.75 
ACD/KOC (pH 5.5): 544982.44 
ACD/KOC (pH 7.4): 544982.44 
H bond acceptors: 4 
H bond donors: 0 
Freely Rotating Bonds: 16 
Index of Refraction: 1.491 
Molar Refractivity: 105.39 cm³ 
Molar Volume: 363.2 cm³ 
Polarizability: 41.78 10^-24cm³ 
Surface Tension: 36.7 dyne/cm 
Density: 0.997 g/cm³ 
Flash Point: 211.3 °C 
Enthalpy of Vaporization: 64.72 kJ/mol 
Boiling Point: 396.9 °C at 760 mmHg 
Vapour Pressure: 1.66E-06 mmHg at 25°C 

 Butyl decyl phthalate (CAS No.89-19-0) is supposed to be used as chemical reagent.

Mildly toxic by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating fumes.

Removal in wastewater treatment of Butyl decyl phthalate (CAS No.89-19-0) can be stated as follows:
Total removal:93.98  percent
Total biodegradation:0.78  percent
Total sludge adsorption:93.20  percent
Total to Air:0.00  percent
(using 10000 hr Bio P,A,S)