Identification

Numero CAS

7446-11-9

Nom scientifique (FR)

Trioxyde de soufre

Autres dénominations scientifiques (FR)

Anhydride sulfurique

Autres dénominations scientifiques (Autre langues)

sulfur trioxide ; Sulphuric (acid) anhydride ; Sulfuric oxide ; Anhydrid der Schwefelsaure ; Schwefeltrioxid ; Sulfan ; Sulfur oxide ; Sulfuric anhydride ; Sulphur trioxide

Code EC

231-197-3

Code SANDRE

-

Number CIPAC

-

Formule chimique brute

\(\ce{ SO3 }\)

Generalities

Poids moléculaire

80.06 g/mol

Parameters table

Parameters table
Value name Value Temperature Pressure Granulometry Humidity Guideline ineris method Commentary Source
Densité 2.763 - INERIS (2010)
Pression de vapeur 57728.4 Pa
20°C
INERIS (2010)
Concentration de vapeur saturante 1896.3 g.cm-3
20°C
INERIS (2010)
Concentration de vapeur saturante 587850 ppm
20°C
INERIS (2010)
Point d'ébullition 44.8 °C INERIS (2010)
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Bibliography

Accidental values

French acute toxicity threshold values

French acute toxicity threshold values
ineris name Unit 1 min 10 min 20 min 30 min 60 min 120 min 240 min 480 min Source Status state Commentary
SELS (SELS 5%) mg.m-3 ND ND ND ND ND Final
Non Déterminé
SELS (SELS 5%) ppm ND ND ND ND ND Final
Non Déterminé
SPEL (SEL 1%) mg.m-3 74 52 42 30 21 Final
SPEL (SEL 1%) ppm 23 16 13 9 6,5 Final
SEI mg.m-3 24,5 17 14 10 7 Final
SEI ppm 8 5 4 3 2 Final
SER mg.m-3 ND ND ND ND ND Final
Non Déterminé
SER ppm ND ND ND ND ND Final
Non Déterminé
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Other accidental thresholds

Other accidental thresholds
ineris name Duration Value Source Status state Commentary
AEGL-1 10 min 0,2 mg.m-3 EPA Interim
AEGL-1 30 min 0,2 mg.m-3 EPA Interim
AEGL-1 60 min 0,2 mg.m-3 EPA Interim
AEGL-1 240 min 0,2 mg.m-3 EPA Interim
AEGL-1 480 min 0,2 mg.m-3 EPA Interim
AEGL-2 10 min 8,7 mg.m-3 EPA Interim
AEGL-2 30 min 8,7 mg.m-3 EPA Interim
AEGL-2 60 min 8,7 mg.m-3 EPA Interim
AEGL-2 240 min 8,7 mg.m-3 EPA Interim
AEGL-2 480 min 8,7 mg.m-3 EPA Interim
AEGL-3 10 min 270 mg.m-3 EPA Interim
AEGL-3 30 min 200 mg.m-3 EPA Interim
AEGL-3 60 min 160 mg.m-3 EPA Interim
AEGL-3 240 min 110 mg.m-3 EPA Interim
AEGL-3 480 min 93 mg.m-3 EPA Interim
ERPG-1 60 min 2 mg.m-3 AIHA (2022) Final
ERPG-2 60 min 10 mg.m-3 AIHA (2022) Final
ERPG-3 60 min 120 mg.m-3 AIHA (2022) Final
PAC-1 60 min 0,2 mg.m-3 EHSS (2018) Final
AEGL-1, AEGL-2, AEGL-3
PAC-2 60 min 8,7 mg.m-3 EHSS (2018) Final
AEGL-1, AEGL-2, AEGL-3
PAC-3 60 min 160 mg.m-3 EHSS (2018) Final
AEGL-1, AEGL-2, AEGL-3
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Bibliography

Documents

PDF
7446-11-9 -- Trioxyde de soufre -- VSTAF
Published the 14/09/2010
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