Identification

Numero CAS

75-10-5

Nom scientifique (FR)

Difluorométhane

Nom scientifique (EN)

difluoromethane

Autres dénominations scientifiques (FR)

Methylene difluoride

Autres dénominations scientifiques (Autre langues)

Carbon fluoride hydride ; Methane, difluoro-

Code EC

200-839-4

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ CH2F2 }\)

Code InChlKey

RWRIWBAIICGTTQ-UHFFFAOYSA-N

Code SMILES

FCF

Generalities

Poids moléculaire

52.00 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Hydrosolubilité 1900 mg.L-1
à 20°C
UNEP
Hydrosolubilité 4400 mg.L-1
à 25°C
UNEP
Densité 0.959 - UNEP
Pression de vapeur 1700000 Pa
à 25°C
UNEP
Point de fusion -136 °C UNEP
Constante de Henry 19973 Pa.m3.mol-1
calculée
UNEP
Coefficient de partage octanol/eau (Log Kow) 0.21 -
mesuré à 25°C
UNEP
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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 12.3 L.kg-1 UNEP
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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 6.2 L.kg-1
calculé à partir du Koc (TGD)
UNEP
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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) 23 L.kg-1
calculé
UNEP
Coefficient de partage eau/sol 2.5 L.kg-1
calculé à partir du Koc (TGD)
UNEP
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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
Photolyse 1240 jour UNEP
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Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
PAC-1 60 min 3000 ppm EHSS (2018) Final
WEEL-TWA x 3, TEEL-3/6, rat 240-min LC50
PAC-2 60 min 6500 ppm EHSS (2018) Final
WEEL-TWA x 3, TEEL-3/6, rat 240-min LC50
PAC-3 60 min 39000 ppm EHSS (2018) Final
WEEL-TWA x 3, TEEL-3/6, rat 240-min LC50
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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 >100 mg.L-1 Algue UNEP
CL/CE50 >100 mg.L-1 Invertebré UNEP
CL/CE50 >100 mg.L-1 Poisson UNEP
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