Identification

Numero CAS

74-93-1

Nom scientifique (FR)

Méthanéthiol

Nom scientifique (EN)

methanethiol

Autres dénominations scientifiques (FR)

Mercaptométhane; Mercaptan méthylique; Sulfhydrate de méthyle; Méthyl mercaptan

Autres dénominations scientifiques (Autre langues)

methylmercaptan ; thiométhanol ; methyl mercaptan ; methyl sulfhydrate ; methaanthiol ; methanthiol ; methylmercaptaan ; metilmercaptano ; metilmercaptano ; thiomethyl alcohol

Code EC

200-822-1

Code SANDRE

5879

Number CIPAC

-

Formule chimique brute

\(\ce{ CH4S }\)

Code InChlKey

LSDPWZHWYPCBBB-UHFFFAOYSA-N

Code SMILES

CS

CLP classification

Type de classification

Harmonisée

ATP insertion

CLP00

Description de la classification

Classification harmonisée selon réglement 1272/2008 ou CLP

Hazard statements
Hazard statement - Code H220
Hazard statement - Text Gaz extrêmement inflammable
Hazard class(es) Gaz inflammables
EU hazard label -
Specific concentration limits -
M factor -
Acute toxicity estimate -
ECHA sheet
ECHA sheet

Regulations

Accidental values

French acute toxicity threshold values

Le rapport de valeurs seuils de toxicité aiguë françaises est accessible dans la rubrique « Archives ». L’intégralité des rapports de valeurs seuils de toxicité aiguë françaises actuellement en vigueur est consultable dans le tableau des VSTAF.

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 5719 1970 1429 1184 859 623 452 328 Final
SELS (SELS 5%) ppm 2918 1005 729 604 438 318 231 167 Final
SPEL (SEL 1%) mg.m-3 4809 1656 1201 996 722 524 380 276 Final
SPEL (SEL 1%) ppm 2454 845 613 508 369 267 194 141 Final
SEI mg.m-3 1603 552 400 332 241 175 127 92 Final
SEI ppm 818 282 204 169 123 89 65 47 Final
SER mg.m-3 ND ND ND ND ND ND ND ND Final
Non Déterminé
SER ppm ND ND ND 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 NR ppm EPA Final
Not recommended due to insufficient data - Level of Distinct Odor Awareness (LOA)= 0.019 ppm
AEGL-1 30 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-1 60 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-1 240 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-1 480 min NR ppm EPA Final
Not recommended due to insufficient data
AEGL-2 10 min 40 ppm EPA Final
AEGL-2 30 min 29 ppm EPA Final
AEGL-2 60 min 23 ppm EPA Final
AEGL-2 240 min 14 ppm EPA Final
AEGL-2 480 min 7,3 ppm EPA Final
AEGL-3 10 min 120 ppm EPA Final
AEGL-3 30 min 86 ppm EPA Final
AEGL-3 60 min 68 ppm EPA Final
AEGL-3 240 min 43 ppm EPA Final
AEGL-3 480 min 22 ppm EPA Final
ERPG-1 60 min 0,002 ppm AIHA (2022) Final
ERPG-2 60 min 30 ppm AIHA (2022) Final
ERPG-3 60 min 100 ppm AIHA (2022) Final
IDLH 30 min 150 ppm NIOSH (1994) Final
PAC-1 60 min 0,005 ppm EHSS (2018) Final
ERPG-1, AEGL-2, AEGL-3
PAC-2 60 min 23 ppm EHSS (2018) Final
ERPG-1, AEGL-2, AEGL-3
PAC-3 60 min 68 ppm EHSS (2018) Final
ERPG-1, AEGL-2, AEGL-3
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Regulatory values

Valeurs réglementaires
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
VLEP 8h 0,5 ppm INRS (2024)
Valeur limite admise (circulaire)
Final Air Lieux de travail
VLEP 8h 1 mg.m-3 INRS (2024)
Valeur limite admise (circulaire)
Final Air Lieux de travail
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Bibliography

Documents

PDF
74-93-1 -- methanethiol -- VSTAF-Rapp
Published the 21/01/2021
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