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Dimethyl disulfide624-92-0

Name: Dimethyl disulfide624-92-0
Brand: OORENT
SKU: pr2606162218
Price: 33 USD
Availability: InStock

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CAS No.:

624-92-0

Grade:

Pharmaceutical Grade

Content:

99.5%

Port:

上海

Brand:

OORENT

Packaging:

Vial/Bottle/Bag/Carton

Price valid (until):

2026-07-16

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Qingdao Orient Chemical Co.,LTD

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Trader

Location:

China

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pharmaceutical intermediates,peptides,electronic chemicals

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Description

Product Detail

Dimethyl disulfide Basic information

Product Name:	Dimethyl disulfide
Synonyms:	MGC126532;MGC138156;YWHAZ;disulfuredemethyle;mds;methyldithiomethane;Sulfa-hitech;Sulfa-hitech 0382
CAS:	624-92-0
MF:	C2H6S2
MW:	94.2
EINECS:	210-871-0
Product Categories:	Allium cepa (Onion);Allium sativum (Garlic);Building Blocks;Chemical Synthesis;Nutrition Research;Organic Building Blocks;sulfide Flavor;Phytochemicals by Plant (Food/Spice/Herb);Sulfides/Disulfides;Sulfur Compounds;Pesticides intermediate;Solvent;a solvent and pesticide intermediates, fuel and lubricating oil additives;Food additives;A
Mol File:	624-92-0.mol

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
Henry's Law Constant	5.8×10^-3 mol/(m³Pa) at 25℃, Burkholder et al. (2019)
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
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

MSDS Information

Provider	Language
DMDS	English
SigmaAldrich	English
ALFA	English

Dimethyl disulfide Usage And Synthesis

Description	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.
Chemical Properties	colourless to yellow liquid with a very unpleasant smell, insoluble in water, Soluble in ethanol, ethyl ether and acetic acid. It is a strong odor component irritant which is also included in garlic and has been designated as a specific malodorous substances based on the Offensive Odor Control Law. Its detection threshold shows 0.002 ppm, which senses a low concentration equivalent to Dimethyl sulfide.
Occurrence	Reported found in sour cherry, guava, melon, peach, pineapple, strawberry, cabbage, kohlrabi, onion, garlic, shallot, leek, chive, peas, potato, rutabaga, tomato, parsley, breads, many cheeses, yogurt, milk, egg, fish, meats, hop oil, beer, Scotch whiskey, cognac, grape wines, cocoa, coffee, peanut, peanut butter, pecan, potato chips, oats, soybean, beans, mushrooms, trassi, macadamia nut, mango, cauliflower, broccoli, brussels sprouts, rice, radish, sukiyaki, sake, watercress, malt, wort, krill, southern pea, loquat, sapodilla, shrimp, oyster, crab, crayfish, clam, scallops and squid.
Uses	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).
Uses	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.
Preparation	Dimethyl disulfide can be prepared by the reaction between imethyl sulfate and sodium sulfide. under stirring, sulfur powder was added into sodium sulfide solution. The above reaction system was heated Up to 80-90℃, after reaction for 1 h, cooled to about 30 ℃. Dimethyl sulfate was dropped into the reaction system and the reaction was continued for 2h. Then, distillation, stratification, Separating waste alkali liquor, then through distillation and final products are prepared. In industry,dimethyl sulfate method is adopted to synthesize dimethyl disulfide. Na2S+S→Na2S2Na2S2+(CH3)2SO4→CH3SSCH3+Na2SO4 From magnesium methyl iodide and S2Cl2, or from S2S2 and sodium methyl sulfate; also from methyl bromide and sodium thiosulfate, after which the resulting sodium methylthiosulfate is heated to yield dimethyl disulfide.
Definition	ChEBI: Dimethyl disulfide is an organic disulfide that is methane in which one of the hydrogens has been replaced by a methyldisulfanyl group. It has a role as a xenobiotic metabolite.
Aroma threshold values	Detection: 0.16 to 1.2 ppb. Recognition: 90 ppb
General Description	A colorless oily liquid with a garlic-like odor. Denser than water and slightly soluble in water. Flash point 40°F. Vapors heavier than air. May irritate skin and eyes. Used to make other chemicals.
Air & Water Reactions	Highly flammable. Slightly soluble in water.
Reactivity Profile	DMDS is a reducing agent. A dangerous fire hazard when exposed to oxidizing materials. Emits toxic fumes of oxides of sulfur when heated to decomposition or on contact with acids [Sax, 9th ed., 1996, p. 1320].
Health Hazard	May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard	HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Flammability and Explosibility	Highly flammable
Safety Profile	Poison by inhalation. A very dangerous fire hazard when exposed to heat, flame, or oxidzers. Can react vigorously with oxiduing materials. See also SULFIDES.
Potential Exposure	PrimaryIrritant. This material may be used as an organicintermediate
First aid	If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit.
storage	Color Code—Red: Flammability Hazard: Store ina flammable liquid storage area or approved cabinet awayfrom ignition sources and corrosive and reactive materials.Prior to working with Dimethyl disulfide you should betrained on its proper handling and storage. Before enteringconfined space where this chemical may be present, checkto make sure that an explosive concentration does not exist.Store in tightly closed containers in a cool, well-ventilatedarea away from any form of moisture, oxidizers, acids.Metal containers involving the transfer of this chemicalshould be grounded and bonded. Where possible, automatically pump liquid from drums or other storage containers toprocess containers. Drums must be equipped with self-closing valves, pressure vacuum bungs, and flame arresters. Useonly nonsparking tools and equipment, especially whenopening and closing containers of this chemical. Sources ofignition, such as smoking and open flames, are prohibitedwhere this chemical is used, handled, or stored in a mannerthat could create a potential fire or explosion hazard.Wherever this chemical is used, handled, manufactured, orstored, use explosion-proof electrical equipment andfittings.
Shipping	This compound requires a shipping label of“FLAMMABLE LIQUID.” It falls in Hazard Class 3 andPacking Group II.
Purification Methods	Pass it through neutral alumina before use. [Trost Chem Rev 78 363 1978, Beilstein 1 IV 1281.]
Toxicity evaluation	Very little information is available on mechanism of toxicity. Although the authors of one experimental animal study suggested that methyl disulfide toxicity resembles that of hydrogen sulfide, it is not at all clear that cytochrome oxidase inhibition can result from methyl disulfide exposure. Mechanistically hydrogen sulfide is classified as a chemical asphyxiant because of its known ability to disrupt electron transport and oxidative phosphorylation by interaction with the enzyme cytochrome oxidase. Other sources classify methyl disulfide a simple asphyxiant, which means that it is nonreactive with enzymes or other cell components and simply displaces oxygen in the air. Some information indicates that neurotoxicity to insects results when methyl disulfide disrupts calcium-activated potassium channels in insect pacemaker neurons.
Incompatibilities	Forms explosive mixture with air.Contact with water or acids forms flammable and toxicvapors of hydrogen sulfide. Contact with oxidizing materials or acids can cause a violent reaction.
Toxics Screening Level	The initial threshold screening level (ITSL) for chronic exposure to dimethyl disulfide (DMDS) is 16 μg/m3 (annual averaging time) based on the Michigan Department of Environmental Quality (MDEQ).

Dimethyl disulfide Preparation Products And Raw materials

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Basic Info

Product Name:

Dimethyl disulfide

Other Name:

Disulfide,dimethyl;Methyl disulfide;Dimethyl disulfide;2,3-Dithiabutane;(Methyldithio)methane;Dimethyl disulphide;Sulfa-Hitech;NSC 9370;DMDS;Paladin;1,2-Dimethyldisulfane;(Methyldisulfanyl)methane

CAS No.:

624-92-0

Molecular Formula:

C2H6S2

InChIKeys:

InChIKey=WQOXQRCZOLPYPM-UHFFFAOYSA-N

Molecular Weight:

94.19900

Exact Mass:

94.20

EC Number:

210-871-0

HScode:

2930909090

Categories:

Organosulfur Compounds

Characteristics

PSA:

50.60000

XLogP3:

1.62740

Appearance:

Dimethyl disulfide appears as a colorless oily liquid with a garlic-like odor. Denser than water and slightly soluble in water. Vapors heavier than air. May irritate skin and eyes. Used to make other chemicals.

Density:

1.0625 g/cm³ @ Temp: 20 °C

Melting Point:

-85 °C

Boiling Point:

109.8 °C

Flash Point:

15ºC

Refractive Index:

1.5243-1.5263

Water Solubility:

Solubility in water, g/l at 20°C: 2.5 (poor)

Storage Conditions:

Flammables area

Vapor Pressure:

22 mm Hg ( 20 °C)

Vapor Density:

3.24 (vs air)

Toxicity:

LD50 orally in Rabbit: 290 - 500 mg/kg

Explosive limit:

vol% in air: 1.16

Odor:

Garlic-like

See More Dimethyl disulfide Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 2

Acute toxicity - Category 4, Oral

Skin sensitization, Sub-category 1B

Eye irritation, Category 2

Acute toxicity - Category 3, Inhalation

Specific target organ toxicity â single exposure, Category 3

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H225 Highly flammable liquid and vapour H302 Harmful if swallowed H317 May cause an allergic skin reaction H319 Causes serious eye irritation H331 Toxic if inhaled H335 May cause respiratory irritation H410 Very toxic to aquatic life with long lasting effects
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P317 If skin irritation or rash occurs: Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P319 Get medical help if you feel unwell. P391 Collect spillage.
Storage	P403+P235 Store in a well-ventilated place. Keep cool. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames, NO sparks and NO smoking. Above 10Â°C use a closed system, ventilation and explosion-proof electrical equipment. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Fireproof. Well closed. Separated from oxidants. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.

See More Dimethyl disulfide Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

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We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

32 Inquiries

Country	Product	Purchase Quantity	Date Posted
United Arab Emirates	Dimethyl Disulfide 99% liquid 624-92-0	900 KG	Oct 3, 2023
Azerbaijan	DMDS	83 TON	Sep 12, 2023
Uzbekistan	Dimethyl disulfide	59 MT	Mar 3, 2026
Uzbekistan	Dimethyl disulfide	59 MT	Mar 2, 2026
Germany	DMDS	5500 KG	Sep 15, 2025
India	DMDS	300 MT	Jul 8, 2025
India	DIMETHYL DISULFIDE	2.00 20' Fcl	May 27, 2024
Indonesia	Dimethyl Disulfide	100 TON	May 22, 2024
Germany	DMDS	2 MT	Feb 23, 2024
Russia	Dimethyl Disulfide	87.91 TON	Feb 18, 2024
Uzbekistan	Dimethyl Disulfide	87.9 TON	Feb 18, 2024
Russia	Dimethyl disulfide	26 MT	Nov 10, 2023
Uzbekistan	Dimethildisulfide	59 MT	Jun 3, 2026
Italy	Dimethyl Disulfide	2600 KG	May 26, 2026
Uzbekistan	Dimethyl disulfide/DMDS	59 MT	Feb 28, 2026
Nigeria	Di Methyl Disulfide (DMDS)	200 MT	Apr 7, 2024
Russia	Dimethyl disulfide	26 MT	Nov 2, 2023
India	Methyl disulfide	83 MT	Sep 8, 2023
Azerbaijan	Dimethyl disulfide 99% LIQUID SAA650 SAA	83 TON	Aug 21, 2023
Bahrain	Dimethyl Disulfide	1.00 KG	Sep 11, 2025

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Dimethyl disulfide624-92-0

Product Description

Seller Information

Inquiry History

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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