Registration Dossier
Registration Dossier
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EC number: 217-793-6 | CAS number: 1955-46-0
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Biodegradation in water of methyl 5-nitrohydrogen.isophthalate: 50% degradation in 15 days
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
------+-----+--------------------------------------------+---------+---------
TYPE | NUM | Biowin1 FRAGMENT DESCRIPTION | COEFF | VALUE
------+-----+--------------------------------------------+---------+---------
Frag | 1 | Aromatic acid [-C(=O)-OH] | 0.1769 | 0.1769
Frag | 1 | Ester [-C(=O)-O-C] | 0.1742 | 0.1742
Frag | 1 | Aromatic nitro [-NO2] | -0.3050 | -0.3050
MolWt| * | Molecular Weight Parameter | | -0.1072
Const| * | Equation Constant | | 0.7475
============+============================================+=========+=========
RESULT | Biowin1 (Linear Biodeg Probability) | | 0.6864
============+============================================+=========+=========
------+-----+--------------------------------------------+---------+---------
TYPE | NUM | Biowin2 FRAGMENT DESCRIPTION | COEFF | VALUE
------+-----+--------------------------------------------+---------+---------
Frag | 1 | Aromatic acid [-C(=O)-OH] | 2.4224 | 2.4224
Frag | 1 | Ester [-C(=O)-O-C] | 4.0795 | 4.0795
Frag | 1 | Aromatic nitro [-NO2] | -2.5086 | -2.5086
MolWt| * | Molecular Weight Parameter | | -3.1973
============+============================================+=========+=========
RESULT | Biowin2 (Non-Linear Biodeg Probability) | | 0.9782
============+============================================+=========+=========
A Probability Greater Than or Equal to 0.5 indicates --> Biodegrades Fast
A Probability Less Than 0.5 indicates --> Does NOT Biodegrade Fast
------+-----+--------------------------------------------+---------+---------
TYPE | NUM | Biowin3 FRAGMENT DESCRIPTION | COEFF | VALUE
------+-----+--------------------------------------------+---------+---------
Frag | 1 | Aromatic acid [-C(=O)-OH] | 0.0879 | 0.0879
Frag | 1 | Ester [-C(=O)-O-C] | 0.1402 | 0.1402
Frag | 1 | Aromatic nitro [-NO2] | -0.1696 | -0.1696
MolWt| * | Molecular Weight Parameter | | -0.4976
Const| * | Equation Constant | | 3.1992
============+============================================+=========+=========
RESULT | Biowin3 (Survey Model - Ultimate Biodeg) | | 2.7601
============+============================================+=========+=========
------+-----+--------------------------------------------+---------+---------
TYPE | NUM | Biowin4 FRAGMENT DESCRIPTION | COEFF | VALUE
------+-----+--------------------------------------------+---------+---------
Frag | 1 | Aromatic acid [-C(=O)-OH] | 0.0077 | 0.0077
Frag | 1 | Ester [-C(=O)-O-C] | 0.2290 | 0.2290
Frag | 1 | Aromatic nitro [-NO2] | -0.1084 | -0.1084
MolWt| * | Molecular Weight Parameter | | -0.3248
Const| * | Equation Constant | | 3.8477
============+============================================+=========+=========
RESULT | Biowin4 (Survey Model - Primary Biodeg) | | 3.6512
============+============================================+=========+=========
Result Classification: 5.00 -> hours 4.00 -> days 3.00 -> weeks
(Primary & Ultimate) 2.00 -> months 1.00 -> longer
------+-----+--------------------------------------------+---------+---------
TYPE | NUM | Biowin5 FRAGMENT DESCRIPTION | COEFF | VALUE
------+-----+--------------------------------------------+---------+---------
Frag | 1 | Aromatic acid [-C(=O)-OH] | 0.3770 | 0.3770
Frag | 1 | Ester [-C(=O)-O-C] | 0.3437 | 0.3437
Frag | 1 | Aromatic nitro [-NO2] | -0.1876 | -0.1876
Frag | 3 | Aromatic-H | 0.0082 | 0.0247
Frag | 1 | Methyl [-CH3] | 0.0004 | 0.0004
MolWt| * | Molecular Weight Parameter | | -0.6698
Const| * | Equation Constant | | 0.7121
============+============================================+=========+=========
RESULT | Biowin5 (MITI Linear Biodeg Probability) | | 0.6005
============+============================================+=========+=========
------+-----+--------------------------------------------+---------+---------
TYPE | NUM | Biowin6 FRAGMENT DESCRIPTION | COEFF | VALUE
------+-----+--------------------------------------------+---------+---------
Frag | 1 | Aromatic acid [-C(=O)-OH] | 2.4449 | 2.4449
Frag | 1 | Ester [-C(=O)-O-C] | 2.4462 | 2.4462
Frag | 1 | Aromatic nitro [-NO2] | -2.4035 | -2.4035
Frag | 3 | Aromatic-H | 0.1201 | 0.3604
Frag | 1 | Methyl [-CH3] | 0.0194 | 0.0194
MolWt| * | Molecular Weight Parameter | | -6.5001
============+============================================+=========+=========
RESULT |Biowin6 (MITI Non-Linear Biodeg Probability)| | 0.2484
============+============================================+=========+=========
A Probability Greater Than or Equal to 0.5 indicates --> Readily Degradable
A Probability Less Than 0.5 indicates --> NOT Readily Degradable
------+-----+--------------------------------------------+---------+---------
TYPE | NUM | Biowin7 FRAGMENT DESCRIPTION | COEFF | VALUE
------+-----+--------------------------------------------+---------+---------
Frag | 1 | Aromatic acid [-C(=O)-OH] | 0.2656 | 0.2656
Frag | 1 | Ester [-C(=O)-O-C] | 0.1719 | 0.1719
Frag | 1 | Aromatic nitro [-NO2] | -0.2141 | -0.2141
Frag | 3 | Aromatic-H | -0.0954 | -0.2863
Frag | 1 | Methyl [-CH3] | -0.0796 | -0.0796
Const| * | Equation Constant | | 0.8361
============+============================================+=========+=========
RESULT | Biowin7 (Anaerobic Linear Biodeg Prob) | | 0.6936
============+============================================+=========+=========
A Probability Greater Than or Equal to 0.5 indicates --> Biodegrades Fast
A Probability Less Than 0.5 indicates --> Does NOT Biodegrade Fast
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