Sodium 2,3-dimercapto-1-propanesulfonate - ≥95% , CAS No.4076-02-2

CAS: 4076-02-2 Cat. No.: S102482 Molecular Weight: 210.27 Beilstein Registry Number: 3734863 EC Number: 223-796-3 PubChem CID: 2724039
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
DMPS | sodium 2,3-bis(sulfanyl)propane-1-sulfonate | TZ64200500 | sodium;2,3-bis(sulfanyl)propane-1-sulfonate | AS-64437 | UNITHIOL [MART.] | 1-PROPANESULFONIC ACID, 2,3-DIMERCAPTO-, SODIUM SALT (1:1) | 2,3-Dimercaptopropanesulfonic acid sodium salt | SCH
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
S102482-50mg
2

$13.90

$18.90
Save $5.00 (26.46%)
200mg
S102482-200mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$39.90

$50.90
Save $11.00 (21.61%)
250mg
S102482-250mg
3

$41.90

$55.90
Save $14.00 (25.04%)
1g
S102482-1g
3

$131.90

$154.90
Save $23.00 (14.85%)
5g
S102482-5g
3

$517.90

$604.90
Save $87.00 (14.38%)
10g
S102482-10g
3

$735.90

$858.90
Save $123.00 (14.32%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 11 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Sodium 2,3-dimercaptopropanesulfonate monohydrate is a chelating agent for heavy metals, especially mercury.
Sodium 2,3-dimercaptopropanesulfonate monohydrate has been used in a study to assess its use as an antidote against non-metallic pesticides as nereistoxin insecticides.It has also been noted in a review of existing chelating agents for the treatment of heavy metals and metalloid intoxication.

Specifications

Synonyms
DMPS | sodium 2, 3-bis(sulfanyl)propane-1-sulfonate | TZ64200500 | sodium;2, 3-bis(sulfanyl)propane-1-sulfonate | AS-64437 | UNITHIOL [MART.] | 1-PROPANESULFONIC ACID, 2, 3-DIMERCAPTO-, SODIUM SALT (1:1) | 2, 3-Dimercaptopropanesulfonic acid sodium salt | SCH
Specifications & Purity
≥95%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504760849
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504760849
Canonical SmilesC(C(CS(=O)(=O)[O-])S)S.[Na+]
IUPAC Namesodium;2,3-bis(sulfanyl)propane-1-sulfonate
InChIKeyFGGPAWQCCGEWTJ-UHFFFAOYSA-M
INCHI1S/C3H8O3S3.Na/c4-9(5,6)2-3(8)1-7;/h3,7-8H,1-2H2,(H,4,5,6);/q;+1/p-1
Isomeric SMILES C(C(CS(=O)(=O)[O-])S)S.[Na+]
PubChem CID 2724039
Molecular Weight 210.27
Beilstein 3734863

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic sulfonic acids and derivatives
SubclassOrganosulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentOrganosulfonic acids
Alternative Parents Sulfonyls  Alkanesulfonic acids  Alkylthiols  Organic sodium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alkanesulfonic acid - Sulfonyl - Organosulfonic acid - Organic alkali metal salt - Alkylthiol - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic sodium salt - Organic salt - Organosulfur compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organosulfonic acids. These are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot NumberCertificate TypeDateItem
D2622008Certificate of AnalysisApr 28, 2026 S102482
D2615035Certificate of AnalysisApr 23, 2026 S102482
E2607077Certificate of AnalysisApr 23, 2026 S102482
J2529099Certificate of AnalysisNov 06, 2025 S102482
I2516063Certificate of AnalysisSep 24, 2025 S102482
I2510033Certificate of AnalysisSep 12, 2025 S102482
I2101399Certificate of AnalysisJun 11, 2024 S102482
I2101400Certificate of AnalysisJun 11, 2024 S102482
I2101401Certificate of AnalysisJun 11, 2024 S102482
I2101406Certificate of AnalysisJun 11, 2024 S102482
E1816094Certificate of AnalysisJan 19, 2024 S102482
F1518140Certificate of AnalysisApr 27, 2022 S102482
E2413057Certificate of AnalysisJun 19, 2021 S102482
G2402119Certificate of AnalysisJun 19, 2021 S102482

Show more ⌵

Chemical and Physical Properties
SensitivityAir Sensitive
Molecular Weight210.300 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Exact Mass209.946 Da
Monoisotopic Mass209.946 Da
Topological Polar Surface Area67.600 Ų
Heavy Atom Count10
Formal Charge0
Complexity160.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
References
1. Yuping Xiang, Yingying Guo, Guangliang Liu, Yanwei Liu, Maoyong Song, Jianbo Shi, Ligang Hu, Yongguang Yin, Yong Cai, Guibin Jiang.  (2023)  Direct Uptake and Intracellular Dissolution of HgS Nanoparticles: Evidence from a Bacterial Biosensor Approach.  ENVIRONMENTAL SCIENCE & TECHNOLOGY,      [PMID:37755700] [10.1021/acs.est.3c02664]
2. Fuyu Xie, Qingke Yuan, Yukang Qie, Ying Meng, Fubo Luan.  (2023)  Capacity, stability and energy requirement of divalent mercury uptake by non-methylating/non-demethylating bacteria.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:36848841] [10.1016/j.jhazmat.2023.131074]
3. Qi Zuo, Hong Zheng, Pengyi Zhang, Yu Zhang, Jiejing Zhang, Baichao Zhang.  (2023)  Facile green preparation of single- and two-component modified activated carbon fibers for efficient trace heavy metals removal from drinking water.  CHEMOSPHERE,      [PMID:36634718] [10.1016/j.chemosphere.2023.137799]
4. Shengliang Zhao, Xuandi Lai, Feiyan Liu, Liqiong Chen.  (2022)  Carbon dots combined with masking agent for high selectivity detection of Cr(VI) to overcome interference associated challenges.  ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,      [PMID:36115152] [10.1016/j.ecoenv.2022.114069]
5. Long Fei, Zhu Qi, Li Yingping.  (2022)  A Novel Ratio Probe Based on Mixing of Thiocyanuric Acid- Enhanced Silver Nanoclusters with N, S Co-Doped Carbon Quantum Dots for Detecting Sodium 2,3-Dimercapto Propanesulfonic Acid.  JOURNAL OF AOAC INTERNATIONAL,  105  (6): (1596-1604).  [PMID:35737396] [10.1093/jaoacint/qsac075]
6. Yuping Xiang, Yingying Guo, Guangliang Liu, Yanwei Liu, Maoyong Song, Jianbo Shi, Ligang Hu, Yongguang Yin, Yong Cai, Guibin Jiang.  (2022)  Particle-Bound Hg(II) is Available for Microbial Uptake as Revealed by a Whole-Cell Biosensor.  ENVIRONMENTAL SCIENCE & TECHNOLOGY,      [PMID:35502862] [10.1021/acs.est.1c08946]
7. Feng Guo, Pingxiu Zeng, Jinhua Liu, Hongmei Hu, Wenbin Zhu, Yuanchao Wang, Heyong Cheng.  (2024)  Simultaneous preconcentration and quantification of ultra-trace tin and lead species in seawater by online SPE coupled with HPLC-ICP-MS.  ANALYTICA CHIMICA ACTA,      [PMID:38336410] [10.1016/j.aca.2024.342294]
8. Feng Guo, Pingxiu Zeng, Jinhua Liu, Hongmei Hu, Wenbin Zhu, Yuanchao Wang, Heyong Cheng.  (2024)  Simultaneous quantification of tin and lead species in Antarctic krill and fish by interfacing high-performance liquid chromatography with inductively coupled plasma mass spectrometry based on strong cation-exchange and Amphion columns.  FOOD CHEMISTRY,      [PMID:38295562] [10.1016/j.foodchem.2024.138552]
9. Yuping Xiang, Yueqian Chen, Yingying Guo, Yanwei Liu, Guangliang Liu, Yongguang Yin, Dingyong Wang, Yong Cai, Guibin Jiang.  (2025)  Organic ligands control microbial uptake of Hg(II): effects on Hg(II) speciation and bacterial physiology.  WATER RESEARCH,      [PMID:40701053] [10.1016/j.watres.2025.124249]
10. Yihuan Song, Feng Guo, Pingxiu Zeng, Jinhua Liu, Yuanchao Wang, Heyong Cheng.  (2022)  Simultaneous measurements of Cr, Cd, Hg and Pb species in ng L−1 levels by interfacing high performance liquid chromatography and inductively coupled plasma mass spectrometry.  ANALYTICA CHIMICA ACTA,      [PMID:35623787] [10.1016/j.aca.2022.339935]
11. Weiping Cai, Fei Dang, Yujun Wang.  (2025)  Uptake and efflux of mercury sulfide nanoparticles in Escherichia coli.  JOURNAL OF HAZARDOUS MATERIALS,      [PMID:40199073] [10.1016/j.jhazmat.2025.138143]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.