Registration Dossier
Registration Dossier
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EC number: 210-478-4 | CAS number: 616-38-6
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Not P and not vP based on:
Dimethyl carbonate was found to be readily biodegradable in a modified MITI test (OECD 301 C)
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Not B and not vB based on:
The substance dimethyl carbonate is not regarded as bioaccumulative (not B or vB) because of Log Kow ≤ 4.5 (Log Kow = 0.354).
Other evidence of not B and not vB:
Biodegradation in soil and sediment:
The Mackay level 1 fugacity model indicates that dimethyl carbonate is distributed into two compartments, air (54.46%) and water (45.45%). Negligible amounts partition into soil, sediment and biota. Therefore it is considered not necessary to investigate biodegradation in soil and sediment.
Distribution modelling studies by LSR Associates Ltd (2010).
dmc fugacity level 1 v1.1. ; Testing laboratory and owner company: LSR Associates Ltd. Report date: 2010-06-23:
Media: air - biota - sediment(s) - soil - water
Calculation according to Mackay, Level I
Calculation programme: Version 3.00
Input data: - Molar mass: 90 g/mol
- Data temperature: 25°C
- Water solubility: 114700 g/m3
- Vapour pressure: 7570.4 Pa
Percent distribution in media:
Air (%): 54.46
Water (%): 45.45
Soil (%): 0.0909
Sediment (%): 0.00202
Susp. sediment (%): 0.0000632
Biota (%): 0.00000513
Aerosol (%): 0.000000863
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Not T based on:
EC10 or NOEC ≥ 0.01 mg/L for marine / freshwater organisms (long-term toxicity)
The short-term aquatic toxicity evaluation indicated a NOEC ≥ 100 mg/L for fish, daphnia and algae.
Long-term aquatic toxicity on daphnia showed a NOEC ≥ 0.01 mg/L (NOEC = 25mg/l).
Also, the substance is not classified as carcinogenic (category 1 or 2), mutagenic (category 1 or 2), or toxic for reproduction (category 1, 2 or 3) according to Directive 67/548/EEC or carcinogenic (category 1A or 1B), germ cell mutagenic (category 1A or 1B), or toxic for reproduction (category 1A, 1B or 2) according to Regulation EC No 1272/2008.
Also, there is no other evidence of chronic toxicity, as identified by the classifications T, R48 or Xn, R48 according to Directive 67/548/EEC or specific target organ toxicity after repeated exposure (STOT RE category 1 or 2) according to Regulation EC No 1272/2008.
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