Registration Dossier

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Unpublished report of EA and MITI, Japan (1993) not available. However, study was considered acceptable according to OECD SIDS

Data source

Reference
Reference Type:
review article or handbook
Title:
SIDS Initial Assessment Report for Tripropylene glycol
Author:
OECD
Year:
1994

Materials and methods

Model:
calculation according to Mackay, Level III
Media:
other: air-soil-water-sediment

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Percent distribution in media

Air (%):
0
Water (%):
9
Soil (%):
34
Sediment (%):
57
Susp. sediment (%):
0
Biota (%):
0
Aerosol (%):
0

Any other information on results incl. tables

The potential environmental distribution of tripropylene glycol was obtained from a generic fugacity model, Mackay level III. The

results show that when 1,4- is released into water, the majority of the chemical is likely distributed into soil and sediment.

PECs have been calculated based on several models (MNSEM, CHEMCAN, CHEMFRN) considering its physico-chemical properties (e.g. molecular weight, water solubility, vapour pressure and partition coefficient). The estimated concentrations of MNSEM

model w ere 9.7 E-11 mg/l (air), 8.3 E-6 mg/l (water), 3.0 E-5 mg/kg (soil), 5.0 E-5 mg/kg (sediment).

Steady state mass and concentration calculated using MNSEM 147S:

Air: 9.7E-11 mg/l

Water: 8.3E-06 mg/l

Soil: 3.0E-05 mg/kg dry solid

Sediment: 5.0E-05 mg/kg dry solid

Input data:

Molecular weight: 192.26

Water solubility: 1000000 [mg/l]

Vapor pressure: 1.05E+00 [mmHg]

Log Pow: 0.60

Applicant's summary and conclusion