Dimethyl disulfide CAS#624-92-0

CAS Number: 624-92-0
Chemical Formula: C2H6S2
Synonyms:

MGC126532
YWHAZ
Sulfa-hitech

Appearance: Light Yellow Liquid

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Dimethyl disulfide CAS#624-92-0

Dimethyl disulfide has a diffuse intense onion odor. It is nonlachrymatory. Ironically, although many find its odor objectionable at high concentrations as noted above, when diluted, its aroma has also been described as pleasant. Dimethyl disulfide is often used in combination with other flavor compounds in food products, including baked goods, cheese, frozen dairy products, meat products, soups, savory flavors, fruit flavors, soft candy, gelatin, puddings, and both alcoholic and nonalcoholic beverages.

Dimethyl disulfide Chemical Properties

Melting point	-85 °C
Boiling point	109 °C(lit.)
density	1.0625
vapor density	3.24 (vs air)
vapor pressure	22 mm Hg ( 20 °C)
refractive index	n20/D 1.525(lit.)
FEMA	3536 \| DIMETHYL DISULFIDE
Fp	76 °F
storage temp.	Flammables area
solubility	2.7g/l
form	Liquid
color	Clear yellow
Specific Gravity	1.0647 (20/4℃)
Odor	at 0.10 % in propylene glycol. sulfurous vegetable cabbage onion
Odor Threshold	0.0022ppm
Odor Type	sulfurous
biological source	rabbit
explosive limit	1.1-16.1%(V)
Water Solubility	<0.1 g/100 mL at 20 ºC
JECFA Number	564
BRN	1730824
Exposure limits	ACGIH: TWA 0.5 ppm (Skin)
Dielectric constant	9.7699999999999996
Stability:	Stable. Incompatible with strong bases, strong oxidizing agents, strong reducing agents. Flammable.
InChI	1S/C2H6S2/c1-3-4-2/h1-2H3
InChIKey	WQOXQRCZOLPYPM-UHFFFAOYSA-N
SMILES	CSSC
LogP	1.91 at 20℃
CAS DataBase Reference	624-92-0(CAS DataBase Reference)
NIST Chemistry Reference	Disulfide, dimethyl(624-92-0)
EPA Substance Registry System	Methyl disulfide (624-92-0)

Safety Information

Hazard Codes	F,Xn,N,T+
Risk Statements	11-20/22-36-51/53-36/37/38-26-22-36/37
Safety Statements	26-61-45-38-36/37/39-28A-16-60-57-39-29
RIDADR	UN 2381 3/PG 2
WGK Germany	2
RTECS	JO1927500
Autoignition Temperature	304 °C
TSCA	TSCA listed
HazardClass	3
PackingGroup	II
HS Code	29309070
Storage Class	3 - Flammable liquids
Hazard Classifications	Acute Tox. 3 Inhalation Acute Tox. 3 Oral Aquatic Acute 1 Aquatic Chronic 1 Eye Irrit. 2 Flam. Liq. 2 Skin Sens. 1 STOT SE 1 Inhalation STOT SE 3
Hazardous Substances Data	624-92-0(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 290 - 500 mg/kg

Product Application Of Dimethyl disulfide CAS#624-92-0

Industrially, Dimethyl disulfide is also used as a sulfiding agent to catalyze reactions in oil refineries and other industries. It has a low flash point of 16 ℃ (61 °F) that presents fire hazards during refinery usage. Due to its strong odor and low flash point, Dimethyl disulfide typically requires storage under nitrogen pressure in closed containers.
Dimethyl disulfide has a sulfurous odor similar to that of garlic and decaying fish. Because of the distinctive odor of sulfur compounds, similar to DMDS, they are often added to natural gas and propane to warn of leaks and protect people. Therefore, the odor of a DMDS fumigation can be mistaken for a gas leak. DMDS has an odor threshold of approximately 7 ppb, which is about 8 times less than the health‐based level considered by the EPA to be safe (55 ppb).

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