Electronic Supplementary Material (ESI) for RSC Advances.
This journal is © The Royal Society of Chemistry 2017
Supporting Information
Table S1 The inhibitive efficiency (η) comparison of our studied inhibitors with other benzimidazole derivatives
that previously reported elsewhere.
Inhibitor structure
Medium
Concentration
η (%)
References
0.1 M H2SO4
1×10−3 M
34.3
This work
0.1 M H2SO4
1×10−3 M
62.8
This work
0.1 M H2SO4
1×10−3 M
88.5
This work
0.1 M H2SO4
1×10−3 M
99.8
This work
1.0 M HCl
1×10−4 M
95.0
[1]
1.0 M HCl
200 ppm
94.8
[2]
2.0 M HCl
100 mg/L
90.2
[3]
2.0 M HCl
100 mg/L
93.5
[3]
0.5 M HCl
200 ppm
80.1
[4]
0.5 M HCl
200 ppm
86.5
[4]
1.0 M HCl
1×10−3 M
96.0
[5]
H
N
N
H
N
NH2
N
H
N
N
H
N
O
N
S
CH2
N
H3CO
CH3
H 3C
OCH3
N
O
N
H
CH2
CH3
12
H
N
CH2CH3
N
Ph
N
S
N
NH
N
Tol
N
S
N
NH
N
H
N
N
Br
CH3
N
N
Br
N
N
N
N
H
N
H
Inhibitor structure
N
η (%)
References
1.0 M HCl
1×10−3 M
92.0
[5]
1.0 M HCl
1×10−3 M
91.0
[5]
1.0 M HCl
1×10−3 M
89.0
[5]
HN
N
CH2 O H2C
NH
N
HN
N
CH2
NH
C
N
CH2 S H2C
NH
Medium
H2C
N
HN
References
[1] D. Q. Zhang, Y. M. Tang, S. J. Qi, D. W. Dong, H. Cang and G. Lu, Corros. Sci., 2016, 102, 517-522.
[2] R. Mohan, K. Ramya, K. K. Anupama and A. Joseph, J. Mol. Liq., 2016, 220, 707-717.
[3] N. Esmaeili, J. Neshati and I. Yavari, Res. Chem. Intermed., 2016, 42, 5339-5351.
[4] I. B. Obot, A. Madhankumar, S. A. Umoren and Z. M. Gasem, J. Adhes. Sci. Technol., 2015, 29, 2130-2152.
[5] A. Dutta, S. K. Saha, P. Banerjee and D. Sukul, Corros. Sci., 2015, 98, 541-550.
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