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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Other distribution data

Currently viewing:

Administrative data

Endpoint:
other distribution data
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2010

Materials and methods

Principles of method if other than guideline:
Volatilisation from model river/lake usint the EpiSuite 4.0 model (US-EPA 2008)
GLP compliance:
no
Type of study:
volatility
Media:
water - air

Test material

Constituent 1
Chemical structure
Reference substance name:
Methacrylic acid
EC Number:
201-204-4
EC Name:
Methacrylic acid
Cas Number:
79-41-4
Molecular formula:
C4H6O2
IUPAC Name:
methacrylic acid
Specific details on test material used for the study:
O=C(O)C(=C)C

Results and discussion

Any other information on results incl. tables

                         Volatilization From Water

                           =========================

                            RIVER           LAKE 

                          ---------        ---------

Water Depth    (meters):  1                1         

Wind Velocity   (m/sec):  5                0.5       

Current Velocity (m/sec): 1                0.05      

 

     HALF-LIFE (hours) :  1401             15360     

     HALF-LIFE (days) :  58.38            640.1     

     HALF-LIFE (years) :  0.1598           1.752     

Applicant's summary and conclusion