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Dimethyl disulfide CAS#624-92-0

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  • Dimethyl disulfide CAS#624-92-0
  • Dimethyl disulfide CAS#624-92-0
  • Dimethyl disulfide CAS#624-92-0
  • Dimethyl disulfide CAS#624-92-0
  • Dimethyl disulfide CAS#624-92-0

›

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.


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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