1,3-Propanedisulfonic acid - 70% in H2O , CAS No.21668-77-9

CAS: 21668-77-9 Cat. No.: P168635 Molecular Weight: 204.22 EC Number: 679-154-1 PubChem CID: 428573
AVAILABLE TO ORDER
GRADE & PURITY 70% in H2O
Synonyms
SCHEMBL34216 | 1,3-Propanedisulfonic acid | J-014224 | Eprodisate [INN] | MGNVWUDMMXZUDI-UHFFFAOYSA- | FT-0625314 | 1,3-Propanedisulfonic acid, 70% in H2O | F0001-0557 | MGNVWUDMMXZUDI-UHFFFAOYSA-N | propane-1,3-disulfonic acid | MFCD00191482 | DTXSID4048
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
P168635-5g
≥10

$58.90

$69.90
Save $11.00 (15.74%)
25g
P168635-25g
9

$185.90

$241.90
Save $56.00 (23.15%)
100g
P168635-100g
1

$647.90

$756.90
Save $109.00 (14.40%)
500g
P168635-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$2,198.90

$2,850.90
Save $652.00 (22.87%)
Enter a quantity for the sizes you want to add.
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Why this grade

70% in H2O for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
SCHEMBL34216 | 1, 3-Propanedisulfonic acid | J-014224 | Eprodisate [INN] | MGNVWUDMMXZUDI-UHFFFAOYSA- | FT-0625314 | 1, 3-Propanedisulfonic acid, 70% in H2O | F0001-0557 | MGNVWUDMMXZUDI-UHFFFAOYSA-N | propane-1, 3-disulfonic acid | MFCD00191482 | DTXSID4048
Specifications & Purity
70% in H2O
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Pubchem Sid488189718
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488189718
Canonical SmilesC(CS(=O)(=O)O)CS(=O)(=O)O
IUPAC Namepropane-1,3-disulfonic acid
InChIKeyMGNVWUDMMXZUDI-UHFFFAOYSA-N
INCHI1S/C3H8O6S2/c4-10(5,6)2-1-3-11(7,8)9/h1-3H2,(H,4,5,6)(H,7,8,9)
Isomeric SMILES C(CS(=O)(=O)O)CS(=O)(=O)O
WGK Germany 3
PubChem CID 428573
Molecular Weight 204.22

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  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alkanesulfonic acid - Sulfonyl - Organosulfonic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - 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





Associated Targets(non-human)
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

11 results found

Lot NumberCertificate TypeDateItem
E2608023Certificate of AnalysisSep 11, 2025 P168635
I2505107Certificate of AnalysisSep 11, 2025 P168635
I2522052Certificate of AnalysisSep 11, 2025 P168635
F2008091Certificate of AnalysisApr 07, 2024 P168635
B2322283Certificate of AnalysisFeb 27, 2023 P168635
I2423669Certificate of AnalysisFeb 27, 2023 P168635
A2330453Certificate of AnalysisFeb 06, 2023 P168635
A2306102Certificate of AnalysisJan 17, 2023 P168635
L2209143Certificate of AnalysisDec 13, 2022 P168635
K2223293Certificate of AnalysisNov 28, 2022 P168635
K2221125Certificate of AnalysisNov 23, 2022 P168635

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Chemical and Physical Properties
Molecular Weight204.200 g/mol
XLogP3-1.600
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count4
Exact Mass203.976 Da
Monoisotopic Mass203.976 Da
Topological Polar Surface Area126.000 Ų
Heavy Atom Count11
Formal Charge0
Complexity254.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Wenkun Zhang, Ting Huang, Yu Ren, Shuai Yang, Xinyao Zhao, Maosen Yuan, Jinyi Wang, Qin Tu.  (2022)  A multifunctional chitosan composite aerogel for PPCPs adsorption.  CARBOHYDRATE POLYMERS,      [PMID:36241325] [10.1016/j.carbpol.2022.120102]
2. Ze-Lin Qiu, Li-Feng Fang, Yu-Jie Shen, Wen-Han Yu, Bao-Ku Zhu, Claus Hélix-Nielsen, Wenjing Zhang.  (2021)  Ionic Dendrimer Based Polyamide Membranes for Ion Separation.  ACS Nano,      [PMID:33779134] [10.1021/acsnano.1c00936]
3. Xiang Shen, Yiping Zhao, Li Chen.  (2013)  The construction of a zwitterionic PVDF membrane surface to improve biofouling resistance.  BIOFOULING,      [PMID:23952818] [10.1080/08927014.2013.823484]
4. Lijuan He, Long Chen, Yingxia Nie, Minglu He, Guixiang Wu, Yan Li, Hanjing Tian, Heng Zhang.  (2024)  A practical approach for enhanced biodiesel production using organic modified montmorillonites as efficient heterogeneous hybrid catalysts.  GREEN CHEMISTRY,  26  (10): (5954-5965).  [PMID:] [10.1039/D4GC01084A]
5. Nannan Zhang, Hongkai Tian, Wenyi Zong, Qingao Fan, Jinlian Hua, Jinyi Wang, Qin Tu.  (2025)  Chitosan based cryogel loaded with zeolitic imidazolate framework-67 and glucose oxidase enabling hemostasis and diabetic wound healing.  CARBOHYDRATE POLYMERS,      [PMID:40441826] [10.1016/j.carbpol.2025.123709]
Solution Calculators
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