2,5-Dichlorobenzenethiol - ≥98% , CAS No.5858-18-4

CAS: 5858-18-4 Cat. No.: D101770 Molecular Weight: 179.07 Beilstein Registry Number: 6(4)1617 EC Number: 227-486-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
PS-8553 | 2,5-Dichloro thiophenol | 2,5-Dichlorobenzenethiol, 98% | Thiophenol,5-dichloro- | AKOS001387664 | H11785 | NSC 49350 | W-105379 | 2,5-dichlorobenzene-1-thiol | EINECS 227-486-9 | Z56941088 | AC-10696 | NSC49350 | NSC-49350 | Thiophenol, 2,5-dic
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D101770-1g
3
$19.90
5g
D101770-5g
2
$73.90
25g
D101770-25g
1
$269.90
100g
D101770-100g
1
$817.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,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.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

2,5-Dichlorobenzenethiol may be used in the synthesis of radiolabeled alkyl aryl ethers and sulphides via phase transfer catalysis and chlorinated biphenyl methylsulfonyl metabolites.

Specifications

Synonyms
PS-8553 | 2, 5-Dichloro thiophenol | 2, 5-Dichlorobenzenethiol, 98% | Thiophenol, 5-dichloro- | AKOS001387664 | H11785 | NSC 49350 | W-105379 | 2, 5-dichlorobenzene-1-thiol | EINECS 227-486-9 | Z56941088 | AC-10696 | NSC49350 | NSC-49350 | Thiophenol, 2, 5-dic
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504755428
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755428
Canonical SmilesC1=CC(=C(C=C1Cl)S)Cl
IUPAC Name2,5-dichlorobenzenethiol
InChIKeyQIULLHZMZMGGFH-UHFFFAOYSA-N
INCHI1S/C6H4Cl2S/c7-4-1-2-5(8)6(9)3-4/h1-3,9H
Isomeric SMILES C1=CC(=C(C=C1Cl)S)Cl
WGK Germany 3
UN Number 2810
Molecular Weight 179.07
Beilstein 6(4)1617
Reaxy-Rn 2042866
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2042866&ln=

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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassHalobenzenes
Intermediate Tree Nodes Chlorobenzenes
Direct ParentDichlorobenzenes
Alternative Parents Thiophenols  Aryl chlorides  Thiols  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Thiophenol - 1,4-dichlorobenzene - Aryl halide - Aryl chloride - Arylthiol - Hydrocarbon derivative - Organosulfur compound - Organochloride - Organohalogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dichlorobenzenes. These are compounds containing a benzene with exactly two chlorine atoms attached to it.
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.

8 results found

Lot NumberCertificate TypeDateItem
E2424071Certificate of AnalysisFeb 04, 2026 D101770
C2223708Certificate of AnalysisSep 16, 2025 D101770
C2223719Certificate of AnalysisSep 16, 2025 D101770
C2223720Certificate of AnalysisSep 16, 2025 D101770
C2223736Certificate of AnalysisSep 16, 2025 D101770
I2505123Certificate of AnalysisSep 09, 2025 D101770
L1721069Certificate of AnalysisFeb 08, 2025 D101770
L1721068Certificate of AnalysisMay 08, 2023 D101770
Chemical and Physical Properties
SensitivityAir sensitive.
Refractive Index1.6
Flash Point(°F)235.4 °F
Flash Point(°C)113 °C
Boil Point(°C)112-116°C/50mmHg
Melt Point(°C)22 °C
Molecular Weight179.070 g/mol
XLogP33.500
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass177.941 Da
Monoisotopic Mass177.941 Da
Topological Polar Surface Area1.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity97.100
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
Solution Calculators
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