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Key Documents

Safety Information

471569

Sigma-Aldrich

Dimethyl disulfide

≥99.0%

Synonym(s):

DMDS, Methyl disulfide

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25 EA
CN¥577.48

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25 EA
CN¥577.48

About This Item

Linear Formula:
CH3SSCH3
CAS Number:
Molecular Weight:
94.20
Beilstein:
1730824
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

CN¥577.48


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vapor density

3.24 (vs air)

Quality Level

vapor pressure

22 mmHg ( 20 °C)

Assay

≥99.0%

autoignition temp.

>572 °F

expl. lim.

16 %

refractive index

n20/D 1.525 (lit.)

bp

109 °C (lit.)

mp

−85 °C (lit.)

density

1.046 g/mL at 25 °C (lit.)

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HCVD4MAG67KHCVD3MAG67KHCVD2MAG67K
assay range

accuracy: 100%
(CK-MB), accuracy: 102%
(Oncostatin (OSM)), accuracy: 96%
(FABP3), accuracy: 97%
(NT proBNP), standard curve range: 2.7-2,000 pg/mL
(Placental Growth Factor (PlGF)), standard curve range: 6.9-5,000 pg/mL
(CXCL6, Oncostatin (OSM)), standard curve range: 685.9-500,000 pg/mL
(FABP4), inter-assay cv: <20%
intra-assay cv: <10%, accuracy: 103%
(CXCL6/GCP-2), standard curve range: 137.2-100,000 pg/mL
(FABP3), standard curve range: 68.6-50,000 pg/mL
(BNP, CK-MB, Troponin I (TnI)), accuracy: 102%
(LIGHT), standard curve range: 34.3-25,000 pg/mL
(NT proBNP, CXCL16, Endocan-1 (ESM-1), LIGHT), accuracy: 96%
(Placental Growth Factor (PlGF))

assay range

accuracy: 103%
(Thrombomodulin), accuracy: 104%
(Pentraxin-3 (PTX3)), accuracy: 104%
(Tissue Factor (TF)), accuracy: 106%
(Pecam-1), accuracy: 109%
(sE-Selectin), standard curve range: 0.01-5 ng/mL
(Troponin T (TnT)), standard curve range: 0.04-30 ng/mL
(Follistatin (FST)), standard curve range: 0.14-100 ng/mL
(Pentraxin-3 (PTX3) & Tissue Factor (TF)), standard curve range: 0.27-200 ng/mL
(Pecam-1), standard curve range: 0.34-250 ng/mL
(Thrombomodulin), standard curve range: 2.7-2,000 ng/mL
(sE-Selectin), inter-assay cv: <20%
intra-assay cv: <10%

assay range

accuracy: 102%
(Haptoglobin), accuracy: 109%
(AGP), accuracy: 113%
(Platelet Factor-4), accuracy: 117%
(Adipsin), standard curve range: 0.004-15 ng/mL
(L-Selectin & SAP), standard curve range: 0.012-50 ng/mL
(CRP), standard curve range: 0.037-150 ng/mL
(PF4), standard curve range: 0.061-250 ng/mL
(HPTGN), standard curve range: 0.098-400 ng/mL
(AGP & Adipsin), standard curve range: 0.244-1,000 ng/mL
(Fetuin A & vWF), standard curve range: 0.488-2,000 ng/mL
(A2M)

assay range

accuracy: 88%
(Myoglobin), accuracy: 90%
(P-selectin), accuracy: 98%
(GDF-15), standard curve range: 0.0005-2.5 ng/mL
(GDF-15), standard curve range: 0.012-50 ng/mL
(Lipocalcin-2/NGAL), standard curve range: 0.024-100 ng/mL
(Myoglobin & MPO), standard curve range: 0.085-350 ng/mL
(sICAM-1), standard curve range: 0.122-500 ng/mL
(sVCAM-1), standard curve range: 0.244-1,000 ng/mL
(D-dimer, SAA & P-selectin), standard curve range: 1.221-5,000 ng/mL
(ADAMTS 13), inter-assay cv: <20%
intra-assay cv: <15%

manufacturer/tradename

Milliplex®

manufacturer/tradename

Milliplex®

manufacturer/tradename

Milliplex®

manufacturer/tradename

Milliplex®

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

technique(s)

multiplexing: suitable

technique(s)

multiplexing: suitable

technique(s)

multiplexing: suitable

technique(s)

multiplexing: suitable

shipped in

wet ice

shipped in

wet ice

shipped in

wet ice

shipped in

wet ice

General description

Dimethyl disulfide (DMDS) is an organic dialkyl disulfide. It is one of the odorous compounds found on the working face of typical municipal solid waste landfill in China.[1] DMDS forms adducts with mono-unsaturated acetates by addition across carbon-carbon double bonds. These adducts are useful to locate the of double bonds in long-chain mono-unsaturated acetates.[2] Adsorption of DMDS on Au(111) surface has been investigated by the density functional theory (DFT) within a generalized gradient approximation and experimental high-resolution electron energy loss spectroscopy (HREELS) techniques.[3]

Application

Dimethyl disulfide (DMDS) may be used to derivatize alkenes for the determination of position of double bond by MS.[2] It may also be used to determine the location of the double-bond position of monounsaturated fatty acids in Campylobacter cryaerophila by combined GC-MS analysis.[4]

Legal Information

Product of Arkema Inc.

Signal Word

Danger

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

Target Organs

Central nervous system, Upper respiratory tract

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

59.0 °F - closed cup

Flash Point(C)

15 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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    Adsorption state of dimethyl disulfide on Au?111?: Evidence for adsorption
    as thiolate at the bridge site
    Hayashi T, et al.
    J. Chem. Phys. , 114(17), 7615-7621 (2001)
    C W Moss et al.
    Journal of clinical microbiology, 27(7), 1467-1470 (1989-07-01)
    Location of the double-bond position of monounsaturated fatty acids in Campylobacter cryaerophila was accomplished with combined gas chromatography-mass spectrometry analysis of dimethyl disulfide (DMDS) derivatives. The monoenoic fatty acids from whole bacterial cells were converted to methyl esters and then
    Lu Wenjing et al.
    Waste management (New York, N.Y.), 42, 74-81 (2015-05-23)
    Temporal variation (seasonal and daily) of odor emission on the working face of a large sanitary landfill in China was characterized through a 2 yearlong case study. Odor pollution was most serious in spring and autumn, while lower odor concentrations
    Determination of double bond position in mono-unsaturated acetates by mass spectrometry of dimethyl disulfide adducts.
    Buser HR, et al.
    Analytical Chemistry, 55(6), 818-822 (1983)
    P Jäppinen et al.
    Archives of toxicology, 67(2), 104-106 (1993-01-01)
    Dimethyl sulfide in breath was determined by the gas chromatographic method in 14 persons exposed to organic reduced sulfur compounds in sulfate pulp mills. Dimethyl sulfide concentrations in breath (range 0.04-0.69 cm3/m3 were compared to the combined workplace concentrations of

    Protocols

    Separation of various pyrazines and sulfur compounds including carbon disulfide and dimethyl disulfide.

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