Identification

Numero CAS

7631-86-9

Nom scientifique (FR)

Dioxyde de Silicium

Nom scientifique (EN)

Silanedione

Autres dénominations scientifiques (FR)

Silice amorphe

Autres dénominations scientifiques (Autre langues)

Dimethyl siloxanes and silicones ; Silicon Dioxide

Code EC

231-545-4

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ nSiO2 }\)

Code InChlKey

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Code SMILES

O=[Si]=O

Generalities

Poids moléculaire

60.08 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Densité 2.2 - UNEP (2006) p.254
Point de fusion 1700 °C UNEP (2006) p.254
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Bioaccumulation

Aquatic organisms

Organismes aquatiques
ineris name Specie Value Trofic level Taxon Matrix Life stage Effect Detailed effect Duration of exposure ineris method Guideline Commentary Source
Bioaccumulation BCF 3.162 - Calcul EPA
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Accidental values

Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
IDLH 30 min 3000 mg.m-3 NIOSH (1994) Final
PAC-1 60 min 18 mg.m-3 EHSS (2018) Final
REL-TWA x 3, TEEL-3/6, rat oral LDLo
PAC-2 60 min 740 mg.m-3 EHSS (2018) Final
REL-TWA x 3, TEEL-3/6, rat oral LDLo
PAC-3 60 min 4500 mg.m-3 EHSS (2018) Final
REL-TWA x 3, TEEL-3/6, rat oral LDLo
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Reference values

Other values of recognized organizations

Autres valeurs des organismes reconnus
ineris name Value Source Commentary Critical effect retained Status state Duration of exposure Environment Exposure source Factor Management context Age-Dependent Adjustments Factors ADAF - Age range ADAF - Value ADAF - URL
REL 3 µg.m-3 OEHHA (2005) Silicosis in miners and other workers Final Air ambiant
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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 >10000 mg.L-1 Algue UNEP (2006) p.254
CL/CE50 >10000 mg.L-1 Invertebré UNEP (2006) p.254
CL/CE50 >10000 mg.L-1 Poisson UNEP (2006) p.254
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