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624-92-0 - Dimethyl disulfide, 99% - Methyl disulfide - L09679 - Alfa Aesar

L09679 Dimethyl disulfide, 99%

Codice CAS
624-92-0
Sinonimi
Methyl disulfide

Dimensioni Prezzo ($) Quantità Disponibilità
250g 23,70
1000g 58,10
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Dimethyl disulfide, 99%

MDL
MFCD00008561
EINECS
210-871-0

Proprietà chimiche

Formula
C2H6S2
Peso formula
94.20
Punto di fusione
-85°
Punto di ebollizione
108-109°
Punto di infiammabilità
10°(50°F)
Densità
1.046
Indice di rifrazione
1.5253
Solubilità
Miscible with ethanol, ethyl ether, alcohol, most organic solvents and oils. Slightly miscible with water.

Applicazioni

Dimethyl disulfide is used as an intermediate as well as a food additive in onion, garlic, cheese, meats, soups, savory flavors and fruit flavors. It is used in oil refineries as a sulfiding agent. It is used to alfa substitute 2-methylfuran-acrolein to produce food stuff. It is involved in the preparation of 4-(methylthio)phenol. Further, it is used to replace methyl mercaptan as a jet fuel additive. It finds application in artificial flavoring agent and a corrosion inhibitor. In addition to this, it serves as an effective soil fumigant in agriculture.

Note

Incompatible with strong bases, strong oxidizing agents and strong reducing agents.

Letteratura

Non-aqueous diazotization of arylamines with isoamyl nitrite in the presence of Me2S2 provides a convenient route to aryl methyl sulfides: Synth. Commun., 31, 1857 (2001). Alkyl methyl sulfides have been prepared by disproportionation of symmetrical disulfides with Me2S2 in the presence of NaOH: Chem. Lett., 755 (1999).

Arellano-García, L.; Dorado, A. D.; Morales-Guadarrama, A.; Sacristan, E.; Gamisans, X.; Revah, S. Modeling the effects of biomass accumulation on the performance of a biotrickling filter packed with PUF support for the alkaline biotreatment of dimethyl disulfide vapors in air. Appl. Microbiol. Biotechnol. 2015, 99 (1), 97-107.

Mashkina, A. V.; Khairulina, L. N. Reaction of dimethyl disulfide with thiophene catalyzed by zeolite. Russ. J. Org. Chem. 2015, 51 (2), 217-220.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H225-H331-H302-H319-H317-H335-H400-H410

Highly flammable liquid and vapour. Toxic if inhaled. Harmful if swallowed. Causes serious eye irritation. May cause an allergic skin reaction. May cause respiratory irritation. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Dichiarazioni precauzionali: P210-P261-P273-P280-P303+P361+P353-P305+P351+P338-P304+P340-P311-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
1730824
Classe di rischio
3
Gruppo di imballaggio
II
Codice tariffe armonizzato
2930.90
TSCA
Yes
RTECS
JO1927500

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