Cas no 9005-46-3 (2-Mercaptoethanesulfonic acid)

2-Mercaptoethanesulfonic acid is a thiol-functionalized carboxylic acid that exhibits strong reducing properties and stability across a wide pH range. Its high solubility in water and ability to form stable complexes make it a valuable reagent for applications such as redox titrations, protein modification, and surfactant synthesis.
2-Mercaptoethanesulfonic acid structure
2-Mercaptoethanesulfonic acid structure
Product Name:2-Mercaptoethanesulfonic acid
CAS No:9005-46-3
MF:C2H6O3S2
MW:142.197238445282
CID:48196
PubChem ID:598
Update Time:2025-12-09

2-Mercaptoethanesulfonic acid Chemical and Physical Properties

Names and Identifiers

    • Casein Sodium
    • CASEIN SODIUM MILK
    • CASEIN SODIUM SALT
    • casein,sodiumcomplex
    • Caseins,sodiumcomplexes
    • sodiumcasein
    • NUTROSE
    • SODIUM CASEINATE
    • Casein Sodium from Milk
    • Casein sodium salt from bovine milk
    • CASEIN SODIUM (MILK)
    • SodiuM caseinate, pract.
    • Casein Na salt
    • 2-Mercaptoethanesulfonic acid
    • 2-sulfanylethanesulfonic acid
    • coenzyme M
    • HS-CoM
    • 2-Mercaptoethanesulphonic acid
    • reduced coenzyme M
    • beta-Mercaptoethanesulfonic acid
    • 2-mercaptoethanesulfonate
    • 2-sulfanylethylsulfonate
    • VHD28S0H7F
    • 1-THIOETHANESULFONIC ACID
    • CoM
    • ZNEWHQLOPFWXOF-UHFFFAOYSA-N
    • Mistabronco
    • Mucofluid
    • NSC113891
    • coenzima M
    • reduced CoM
    • 2-Mercaptoethanesulfonic acid solution
    • Spectrum_000153
    • 2-MERCAPTOETHANE
    • 2-mercaptoethylsulfonic acid
    • SupeliteXAD-8MacroporousResin(DAX-8)
    • MESNA FREE ACID
    • CS-1007662
    • KBio2_003201
    • DB09110
    • EINECS 222-167-0
    • HY-157881
    • 2-mercapto-ethanesulfonic acid
    • AKOS006227755
    • 3375-50-6
    • KBio1_000755
    • NCI60_000306
    • 2-Mercaptoethanesulfonic acid (ampule,3.0M inverted exclamation markA0.1M in H2O)
    • 2-mercapto-1-ethanesulfonic acid
    • NINDS_000755
    • .BETA.-MERCAPTOETHANESULFONIC ACID
    • 2-mercaptoethylsulfonate
    • CHEBI:17905
    • C03576
    • DTXSID8023264
    • Mercaptoethanesulfonic acid
    • EN300-7577322
    • CHEMBL1098319
    • 2-sulfanylethane-1-sulfonic acid
    • DivK1c_000755
    • UNII-VHD28S0H7F
    • DB-048487
    • SCHEMBL80705
    • DA-67665
    • KBio2_000633
    • IDI1_000755
    • NS00003829
    • Ethanesulfonic acid, 2-mercapto-
    • BRD-K49954789-001-03-7
    • BRD-K49954789-001-01-1
    • KBioSS_000633
    • KBio2_005769
    • BIDD:GT0428
    • 3190F3F8-4A38-4A3A-85D6-6442B8D6C991
    • 9005-46-3
    • Q27102715
    • BRD-K49954789-001-02-9
    • MDL: MFCD00130736
    • Inchi: 1S/C2H6O3S2/c3-7(4,5)2-1-6/h6H,1-2H2,(H,3,4,5)
    • InChI Key: ZNEWHQLOPFWXOF-UHFFFAOYSA-N
    • SMILES: S(CCS)(=O)(=O)O

Computed Properties

  • Exact Mass: 141.97583640g/mol
  • Monoisotopic Mass: 141.97583640g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 7
  • Rotatable Bond Count: 2
  • Complexity: 118
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 63.8
  • XLogP3: -0.6

Experimental Properties

  • Color/Form: White to light yellow particles or powder, almost odorless and tasteless, slightly creamy.
  • Solubility: H2O: soluble50mg/mL, Grade III, light yellow
  • Water Partition Coefficient: Soluble in boiling water; insoluble in ethanol.
  • Solubility: Soluble in water.

2-Mercaptoethanesulfonic acid Security Information

  • WGK Germany:3
  • Safety Instruction: S24/25
  • RTECS:FI3540000
  • TSCA:Yes
  • Storage Condition:2-8°C

2-Mercaptoethanesulfonic acid Customs Data

  • HS CODE:29420000

2-Mercaptoethanesulfonic acid Pricemore >>

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2-Mercaptoethanesulfonic acid Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:9005-46-3)Sodium caseinate
Order Number:LE5974;LE18366
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:48
Price ($):discuss personally
Suzhou Senfeida Chemical Co., Ltd
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Audited Supplier Audited Supplier
(CAS:9005-46-3)Sodium caseinate
Order Number:sfd4133
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:33
Price ($):discuss personally
Amadis Chemical Company Limited
Gold Member
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(CAS:9005-46-3)2-Mercaptoethanesulfonic acid
Order Number:A1207397
Stock Status:in Stock
Quantity:500mg/100mg/50mg/25mg
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 03:46
Price ($):931.0/400.0/270.0/182.0

2-Mercaptoethanesulfonic acid Spectrogram

13C NMR
13C NMR
1H NMR 300 MHz DMSO
1H NMR

Additional information on 2-Mercaptoethanesulfonic acid

Introduction to 2-Mercaptoethanesulfonic Acid (CAS No. 9005-46-3) and Its Applications

2-Mercaptoethanesulfonic acid, with the chemical formula C?H?NO?S, is a versatile sulfonic acid derivative characterized by a thiol (-SH) group attached to an ethyl chain. This compound, identified by its CAS number 9005-46-3, has garnered significant attention in the field of pharmaceuticals, biochemistry, and material science due to its unique chemical properties and broad range of applications.

The structure of 2-Mercaptoethanesulfonic acid consists of a hydrocarbon chain terminated by a thiol group, which imparts both nucleophilic and acidic characteristics to the molecule. The sulfonic acid moiety enhances its solubility in water, making it an excellent solvent and reagent in aqueous systems. This dual functionality has positioned it as a critical intermediate in the synthesis of various pharmaceuticals, particularly in the development of drugs targeting neurological and inflammatory disorders.

Recent advancements in medicinal chemistry have highlighted the role of 2-Mercaptoethanesulfonic acid in the design of novel therapeutic agents. Its ability to form stable complexes with metal ions has been exploited in the development of chelating agents for treating metal poisoning. For instance, derivatives of this compound have been investigated for their efficacy in binding heavy metals such as lead and mercury, thereby facilitating their excretion from the body.

In addition to its pharmaceutical applications, 2-Mercaptoethanesulfonic acid has found utility in biochemical research. Its thiol group makes it a valuable reagent in protein modification and purification processes. Researchers have leveraged its reactivity to introduce sulfhydryl groups into proteins, enabling the study of protein-protein interactions and enzyme mechanisms. The compound's ability to stabilize protein structures has also been beneficial in structural biology, particularly in X-ray crystallography and nuclear magnetic resonance (NMR) spectroscopy.

The industrial significance of CAS No. 9005-46-3 extends beyond pharmaceuticals and biochemistry. In materials science, this compound is used as a corrosion inhibitor due to its ability to form protective films on metal surfaces. These films prevent oxidative degradation, extending the lifespan of metal components in harsh environments. Furthermore, its role as an electrolyte in battery applications has been explored, where it contributes to improved conductivity and stability.

Recent studies have also delved into the environmental impact of 2-Mercaptoethanesulfonic acid. Researchers are investigating its biodegradability and potential ecological effects. Surprisingly, findings suggest that while it is moderately soluble in water, it does not readily accumulate in aquatic systems. This characteristic makes it a relatively environmentally friendly choice compared to other sulfonic acids with similar properties.

The synthesis of 2-Mercaptoethanesulfonic acid typically involves the reaction of ethylene oxide with sulfur dioxide followed by hydrolysis. This process ensures high purity and yield, making it commercially viable for large-scale production. Advances in synthetic methodologies have further optimized this process, reducing waste and energy consumption while maintaining efficiency.

In conclusion, 2-Mercaptoethanesulfonic acid (CAS No. 9005-46-3) is a multifaceted compound with extensive applications across multiple scientific disciplines. Its unique chemical properties have made it indispensable in pharmaceutical development, biochemical research, industrial processes, and environmental studies. As research continues to uncover new uses for this compound, its importance is likely to grow even further.

Recommended suppliers
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Purity:99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry
Email
Suzhou Senfeida Chemical Co., Ltd
(CAS:9005-46-3)Sodium caseinate
sfd4133
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Quantity:200kg
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