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HomeProduct name listS-Methyl methanethiolsulfonate

S-Methyl methanethiolsulfonate

Synonym(s):S-Methyl thiomethanesulfonate;MMTS

  • CAS NO.:2949-92-0
  • Empirical Formula: C2H6O2S2
  • Molecular Weight: 126.2
  • MDL number: MFCD00007565
  • EINECS: 220-970-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 20:33:22
S-Methyl methanethiolsulfonate Structural

What is S-Methyl methanethiolsulfonate?

Chemical properties

Light Yellow Liquid

The Uses of S-Methyl methanethiolsulfonate

S-Methyl methanethiolsulfonate is used for the rapid and selective modification of sulfhydryl groups of enzymes and it is also useful for mapping the pore-lining regions of the ryanodine receptor.

The Uses of S-Methyl methanethiolsulfonate

carbonyl reactive homobifunctional cross-linking reagent cleavable with periodate

The Uses of S-Methyl methanethiolsulfonate

S-Methyl methanethiosulfonate was used as sulfenylating agent for β-keto sulfoxides, methylene compounds, half-esters of malonic acids and aryl Grignard reagents. It was also used as a reagent to trap the natural thiol-disulfide state of the proteins.

What are the applications of Application

Methyl Methanethiosulfonate is a reagent for the modification of sulfhydryl groups of enzymes

Definition

ChEBI: A sulfonic acid derivative obtained by condensaton of methanesulfonic acid with methanethiol.

Synthesis Reference(s)

The Journal of Organic Chemistry, 49, p. 2281, 1984 DOI: 10.1021/jo00186a039
Synthetic Communications, 20, p. 365, 1990 DOI: 10.1080/00397919008052777

General Description

Interaction of S-methyl methanethiosulfonate (MMTS) with dipalmitoylphosphatidylcholine (DPPC) bilayers has been investigated by FTIR and surface-enhanced Raman spectroscopy.

Purification Methods

Purify it by fractional distillation under reduced pressure, IR: 1350, 750 cm-1 . [Applegate et al. J Org Chem 38 943 1973, Beilstein 4 IV 31.]

Properties of S-Methyl methanethiolsulfonate

Melting point: 117.0-119.0 °C
Boiling point: 69-71 °C0.4 mm Hg(lit.)
Density  1.337 g/mL at 25 °C(lit.)
refractive index  n20/D 1.513(lit.)
Flash point: 190 °F
storage temp.  2-8°C
solubility  chloroform: soluble750mg + 5 ml Chloroformmg/mL, colorless to light greenish-yellow
form  clear liquid
color  Colorless to Red to Green
Odor at 0.10 % in propylene glycol. sulfurous pungent roasted
BRN  1446059
Stability: Water Sensitive
CAS DataBase Reference 2949-92-0(CAS DataBase Reference)
NIST Chemistry Reference S-methyl methanethiosulphonate(2949-92-0)
EPA Substance Registry System Methanesulfonothioic acid, S-methyl ester (2949-92-0)

Safety information for S-Methyl methanethiolsulfonate

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H227:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P405:Store locked up.
P403+P233:Store in a well-ventilated place. Keep container tightly closed.
P501:Dispose of contents/container to..…

Computed Descriptors for S-Methyl methanethiolsulfonate

InChIKey XYONNSVDNIRXKZ-UHFFFAOYSA-N

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