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-N-o] IName

75-05-8 Ilacetonitrile

Chemical structure

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H

H H

Molecular formula Molecular weight

C2H3N 11 41 .052

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Pliysical-clieniical Properties

Biodegradation

Bioaccumulation

EcotoxicitX

1-Octanol/water partition coefficient

To BIODEGRADATION AND BIO ACCUMULATION DATA OF EXISTING CHEMICALS To

Chemicals Evaluation and Research Institute Website

http://qsar .cerij .or.jp/cgi-bin/DEGACC/result_head .cgi?STRID=00840&LANG=ENG 2/19/2003
BiodegradationTest Pa§e 1 of 1

Prev

Cas-No Name

75-05-8 acetonitrile

Biodegradation Test

1 . Test

Conditions of cultivation value llunit

(1) Concentration of test substance 100 mg/L

Concentration of activated sludge 30 mg/L (2) [as the concentration of suspended solid] ❑

(3) Volume of test solution 11 300 ImL

(4) Cultivation tempperature 11 25 IF,

(5) Cultivation duration 11 21 days

Measurement and analysis

(1) Biochemical oxygen demand BOD

(2) Tota1 organic carbon analyzer TOC

(3) Gas chromatography GC

(4)

2. Results

percentage biodegradation(%) Iaverage

(1) BOD 28 .8 11 34.5 1131 .65

(2) TOC 89.6

(3) GC 100

(4)

To BIODEGRADATION AND BIO ACCUMULATION DATA OF EXISTING CHEMICALS To

Chemicals Evaluation and Research Institute Websit e

http ://qsar.cerij .or.jp/cgi-bin/DEGACC/result biod.cgi?STRID=00840&LANG=ENG 2/19/2003
Chemicals )✓valuation and Research Ins titute, Japan http://www.cerij.or.jp/ceri__Wg.younnt/gyoumu .

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required for addressing an array of issues, including environmental

preservation and the safety and reliabili ty of chemicals.

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BiodegradationTest http://qsar.cerij .or.jp/cgi-bin/DEGACC/result_biod .cgi?STRIIi~=(}9840&LANG=E

Prcvj

Cas-No Name

75-05-8 acetonitril e

Biodegradation Test

1 . Test

Conditions of cultivation ,value ,unit

(l) !Concentration of test substance 100 img/L ;

Concentration of activated sludge

(2) [as the concentration of suspended solid] 10 mg/L

(3) Volume of test solution 300 m

i L (4) Cultivation tempperature 25 1

(5) Cultivation duration 21 :days

Measurement and analysis

1) (Biochemical oxygen demand IBOD

2) Total organic carbon analyzer:TOC

1(3) !Gas chromatography G

(4) C !

2. Results

percentage biodegradation(%) ;average

(1) BOD 128 .8 ;34.5 31.65

(2) ;TOC 89.6

0 ~(3) GC 10

(4)

To BIODEGRADATION AND BIO ACCUMULATION DATA OF EXISTING CHEMICALS To

Chemicals Evaluation and Research Institute Website
Chemical structure http://qsar.cerij.or.jp/cgi-bin/DEGACC/result_head .cgi?STRIpr60840&LANG=E

Cas-No iName

75-05-5 :acetonitril e

Chemicalstructure

~N

"'ablH

H H

Molecular formula Molecular weight

C2H3N 41 .052

Phvsical-chcmical Pro1icrtic s

Biodcgradation

Bioaccumulation

Ecotoxicity

I -Octanol/water partition coefficien t

To BIODEGRADATION AND BIO ACCUMULATION DATA OF EXISTING CHEMICALS To

Chemicals Evaluation and Research Institute Website