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Dimethyl disulfide CAS#624-92-0

High Purity (≥99%)‌ ： Ensures consistent quality for industrial applications.

‌Excellent Solubility‌ ： Miscible with most organic solvents (15–25°C), facilitating versatile use.

‌Thermal Stability‌ ： Remains stable up to 300°C, suitable for high-temperature processes.

‌Low Freezing Point (-84.7°C)‌ ： Maintains liquid form under standard conditions, enhancing handling ease.

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Product Description

Product Description of Dimethyl disulfide CAS#624-92-0

Dimethyl disulfide (CAS 624-92-0) is industrial-grade chemical with purity ≥99%. It is a flammable yellow liquid with a distinctive sulfur odor.

It has a melting point of -84.7°C, boiling point of 109.6°C, freezing point of 16°C, and relative density of 1.062 at 20°C. Its vapor pressure is 3.0×10⁶ mPa at 20°C, with a log Kow of 1.91 and a calculated Henry’s law constant.

At 20°C, its water solubility is 2.7 g/L, and it is fully miscible with most organic solvents at 15–25°C. It stays stable up to 300°C but is incompatible with oxidants.

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

Dimethyl disulfide (CAS 624-92-0) is a multifunctional intermediate and food additive, commonly used as flavoring for onion, garlic, cheese, meat, soup and fruit flavors.

It acts as a sulfiding agent for oil refining catalysts and can replace 2-methylfuran-acrolein in food production. It is also used to synthesize 4-(methylthio)phenol, and serves as a safer substitute for methyl mercaptan in jet fuel additives.

Furthermore, it is applied as artificial flavoring, corrosion inhibitor, and agricultural soil fumigant for pest and crop protection.

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Product Information

Parameters

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)
FEMA	3536 \| DIMETHYL DISULFIDE
refractive index	n20/D 1.525(lit.)
Fp	76 °F
storage temp.	Flammables area
solubility	2.7g/l
form	Liquid
Specific Gravity	1.0647 (20/4℃)
color	Clear yellow
Odor	at 0.10 % in propylene glycol. sulfurous vegetable cabbage onion
Odor Type	sulfurous
biological source	rabbit
Odor Threshold	0.0022ppm
explosive limit	1.1-16.1%(V)
Water Solubility	<0.1 g/100 mL at 20 ºC
JECFA Number	564
BRN	1730824
Dielectric constant	9.7699999999999996
Exposure limits	ACGIH: TWA 0.5 ppm (Skin)
Stability:	Stable. Incompatible with strong bases, strong oxidizing agents, strong reducing agents. Flammable.
InChIKey	WQOXQRCZOLPYPM-UHFFFAOYSA-N
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	Yes
HazardClass	3
PackingGroup	II
HS Code	29309070
Hazardous Substances Data	624-92-0(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 290 - 500 mg/kg

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