Identification

Numero CAS

4454-05-1

Nom scientifique (FR)

3,4-Dihydro-2-Méthoxy-2H-Pyranne

Nom scientifique (EN)

2-methoxy-3,4-dihydro-2H-pyran

Autres dénominations scientifiques (Autre langues)

2-methoxy-3,4-dihydro-2H-pyran ; 3,4-Dihydro-2-methoxy-2H-pyran ; MDP

Code EC

224-698-3

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ C6H10O2 }\)

Code InChlKey

XCYWUZHUTJDTGS-UHFFFAOYSA-N

Code SMILES

O(C=CCC1)C1OC

Generalities

Poids moléculaire

114.14 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 16000 mg.L-1
mesurée à 25°C
UNEP (2005) p.19
Densité 1 - UNEP (2005) p.19
Pression de vapeur 1240 Pa
à 20°C
UNEP (2005) p.19
Pression de vapeur 1670 Pa
à 25°C
UNEP (2005) p.19
Point de fusion -60 °C UNEP (2005) p.19
Constante de Henry 31.2 Pa.m3.mol-1
calculée à 25°C
UNEP (2005) p.19
Coefficient de partage octanol/eau (Log Kow) 1.3 -
mesuré à 25°C
UNEP (2005) p.19
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Matrixes

Fresh water environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage eau matière en suspension 0.16 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2005) p.19
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Sediment fresh water environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage eau sédiment 0.08 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2005) p.19
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Terrestrial environment

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Coefficient de partage carbone organique/Eau (Koc) 1.55 L.kg-1 UNEP (2005) p.19
Coefficient de partage eau/sol 0.03 L.kg-1
calculé à partir du Koc (TGD)
UNEP (2005) p.19
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Persistence

Biodegradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Biodégradabilité non facilement biodégradable -
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Abiotic degradability

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrolyse 0.0125 jour
à pH 2,5 à 37°C ; la substance s'hydrolyse en glutaraldéhyde et en méthanol.
UNEP (2005) p.19
Photolyse 0.19 jour
calculée
UNEP (2005) p.19
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Hazards

Hazard values

Valeurs de danger
ineris name Specie Value Trofic level Taxon Matrix Life stage Effect Detailed effect Duration of exposure ineris method Guideline Commentary Source
CL/CE50 >165 mg.L-1 Algue UNEP (2005) p.19
CL/CE50 100 mg.L-1 Invertebré UNEP (2005) p.19
CL/CE50 232 mg.L-1 Poisson UNEP (2005) p.19
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Ecotoxicological values

Guide values

Valeurs guides
ineris name Value Matrix Target Critical effect retained Duration of exposure Factor Commentary Status state Value retained by INERIS Year Source
PNEC chronique / AA-QSwater_eco 0.1 mg.L-1 Eau douce 1000
extrapolation
Yes UNEP (2005) p.19
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