Linear Alkyl Benzene (LAB) (Low Molecular Weight - LMW)

Manufactured at Gujarat Refinery

Propel

Property LMW Test Method
Appearance Clear colourless liquid, free from contamination Visual inspection versus standard
Monoalkylbenzene content - total material less paraffin and DAT 98.6% min UMA B.IIc.1.1.1
or
GLC UOP 673
Linear alkylbenzene 92.0% min UMA B.IIc.1.1.1
GLC UOP 673
Alkylbenzene + DAT + diphenylalkane 8.0% max UMA B.IIc.1.1.1
GLC UOP 673
C chain length distribution % typical range UMA B.IIc.1.1.1
phenyl C9 1.0 max GLC UOP 673
phenyl C10 14 - 23  
phenyl C11 30 - 45  
phenyl C12 25 - 45  
phenyl C13 10 - 30  
>/=phenyl C14 1.0 max  
MMW 235 - 239 UMA B.IIc.1.1.1
GLC UOP 673
Total 2-phenyl isomer 18 - 32 UMA B.IIc.1.1.1
GLC UOP 673
Acid Wash test : 96% acid Not Specified  
Moisture (mg/kg) 200 max UMA B.IIc.1.1.1
Br-index(mg Br2/100g) 10 max ASTM 1491
UOP 304
Dialkyltetralin/indane 1.0 % max UMA B.IIc.1.1.1
ECOSOL HPLC
Paraffin content 0.4 % max UMA B.IIc.1.1.1
GLC UOP 673
Colour 10 max klett, or +30 Saybolt, or R=0.2 max, Y=0.5max mg/kg Klett
Saybolt
Lovibond
Relative density @20�C 0.855 - 0.870 astm d1298
uma b.ii.a.16
AAS
Trace metal content
a.  Cr+Co +Ni
b.  Iron

5 (max.)
5 (max.)
AAS

End-uses

Manufacture of Detergents