Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
biodegradation in soil
Adequacy of study:
other information

Data source

Reference
Reference Type:
publication
Title:
Sorption of gases atmospheric|pollutants by soils.
Author:
Smith, K.A. et al.
Year:
1973
Bibliographic source:
Soil Sci. 116(4):313-319.

Materials and methods

GLP compliance:
no
Test type:
laboratory

Test material

Constituent 1
Chemical structure
Reference substance name:
Methanethiol
EC Number:
200-822-1
EC Name:
Methanethiol
Cas Number:
74-93-1
Molecular formula:
CH4S
IUPAC Name:
methanethiol
Details on test material:
IUCLID4 Test substance: no data
Radiolabelling:
no

Study design

Soil properties
% Clay:
5 - 72
% Sand:
2 - 93
% Org. C:
0.5 - 9.4
pH:
4.8 - 7.7
Initial test substance concentration
Initial conc.:
100 ppm
Experimental conditions
Temp.:
23 °C

Results and discussion

Half-life / dissipation time of parent compound
Type:
(pseudo-)first order (= half-life)

Any other information on results incl. tables

Times required for 95% sorption of methyl mercaptan by soils
from air initially containing 100 ppm (v/v) gas: 
  - from 2 to 84 minutes for air-dry soils
  - from 12 to 130 minutes for moist soils (50% of         
water-holding capacity) 

Capacities of soils for sorption of methyl mercaptan:
  - from 2.4 to 32.1 mg of gas/g of soil for air-dry soils
  - from 2.2 to 21.4 mg of gas/g of soil for moist soils

Experiments with steam-sterilized soils indicated that soil 
microorganisms play little part in the sorption of
sulfur gases.

It is concluded that soil has a potential for purification  
of industrial emissions polluted by sulfur gases.

Applicant's summary and conclusion