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## Ilacetonitrile Chemical structure

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### Molecular formula Molecular weight C2H3N 11 41 .052 ---- - Pliysical-clieniical Properties Biodegradation Bioaccumulation Ecotoxic it

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### 1-Octanol/water partition coefficien t 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

### Biodegradation Test P a § e 1 of 1

Prev Cas-No Name 75-05-8 acetonitril e 

# Biodegradation Test 1 . Tes t Conditions of cultivation value ll unit (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 

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### I average (1) BOD 28 .8 

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# 11 31 .65 (2) TOC 89 .6 (3) GC 10 0 (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 2/19/2003Chemicals )✓valuation and Research Ins ti tute, Japan http ://www .cerij .or.jp/ceri__W g.younnt/gyoumu .

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### Cas-No Name 75-05-8 acetonitril e 

# Biodegradation Test 1 . Tes t Conditions of cultivation ,value ,unit (l) !Concentration of test substance 100 img/L ; C oncentration of activated sludg e (2) [as the concentration of suspended solid] 10 mg/L (3) Volume of test solution 300 m L (4) Cultivation tempperature 25 1 i (5) Cultivation duration 21 : days Measurement and analysi s 1) (Biochemical oxygen dem and IBOD 2) Total organic carbon analyzer :TOC 1(3) !Gas chromatography G C ! (4 ) 

### 2 . Resultspercentage biodegradation(%) ; average (1) BOD 128 .8 ;34 .5 31 .65 (2) ;TOC 89 .6 ~(3) GC 10 0 (4)


### To BIODEGRADATION AND BIO ACCUMULATION DATA OF EXISTING CHEMICALS To

Chemicals Evaluation and Research Institute WebsiteChemical structure http ://qsar .cerij .or.jp/cgi-bin/DEGACC/result_head .cgi?STRIpr 60840&LANG=E

Cas-No i Nam e 75-05-5 :acetonitril e 

### Chemical structure

~ N "'ablH H H Molecular formula Molecular weight C2H3N 41 .05 2 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