4-Methylbenzyl Mercaptan - ≥97% , CAS No.4498-99-1

CAS: 4498-99-1 Cat. No.: M113646 Molecular Weight: 138.22 EC Number: 224-796-6
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
MFCD00039652 | 4-Methylbenzylmercaptan | p-tolylmethanethiol | EINECS 224-796-6 | alpha-Mercapto-p-xylene | SCHEMBL385561 | FT-0619066 | Benzenemethanethiol, 4-methyl- | EN300-1085537 | PD182273 | D91373 | AKOS000169635 | (4-Methylphenyl)methanethiol | M0
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
M113646-1g
3
$22.90
5g
M113646-5g
7
$66.90
25g
M113646-25g
1
$234.90
100g
M113646-100g
1
$618.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥97% 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.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
MFCD00039652 | 4-Methylbenzylmercaptan | p-tolylmethanethiol | EINECS 224-796-6 | alpha-Mercapto-p-xylene | SCHEMBL385561 | FT-0619066 | Benzenemethanethiol, 4-methyl- | EN300-1085537 | PD182273 | D91373 | AKOS000169635 | (4-Methylphenyl)methanethiol | M0
Specifications & Purity
≥97%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488185546
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185546
Canonical SmilesCC1=CC=C(C=C1)CS
IUPAC Name(4-methylphenyl)methanethiol
InChIKeyAGFYZLVFPSGUIX-UHFFFAOYSA-N
INCHI1S/C8H10S/c1-7-2-4-8(6-9)5-3-7/h2-5,9H,6H2,1H3
Isomeric SMILES CC1=CC=C(C=C1)CS
UN Number 2810
Molecular Weight 138.22
Reaxy-Rn 2411317
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2411317&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
SubclassToluenes
Intermediate Tree Nodes Not available
Direct ParentToluenes
Alternative Parents Alkylthiols  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Toluene - Alkylthiol - Hydrocarbon derivative - Organosulfur compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as toluenes. These are compounds containing a benzene ring which bears a methane group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

8 results found

Lot NumberCertificate TypeDateItem
I2207879Certificate of AnalysisJun 10, 2026 M113646
I2207880Certificate of AnalysisJun 10, 2026 M113646
I2207881Certificate of AnalysisJun 10, 2026 M113646
I2207882Certificate of AnalysisJun 10, 2026 M113646
F2530389Certificate of AnalysisJul 12, 2024 M113646
J2515677Certificate of AnalysisJul 12, 2024 M113646
J2515678Certificate of AnalysisJul 12, 2024 M113646
L2219103Certificate of AnalysisDec 22, 2022 M113646
Chemical and Physical Properties
Sensitivityair sensitive
Refractive Index1.5666
Flash Point(°F)85.6±8.9 ℃
Flash Point(°C)85.6±8.9 ℃
Boil Point(°C)116-118°C
Melt Point(°C)76℃
Molecular Weight138.230 g/mol
XLogP32.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass138.05 Da
Monoisotopic Mass138.05 Da
Topological Polar Surface Area1.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity72.600
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. Yapeng Sun, Jiankai Zhang, Bo Yu, Shengwei Shi, Huangzhong Yu.  (2023)  Regulate defects and energy levels for perovskite solar cells by co-modification strategy.  Nano Energy,      [PMID:] [10.1016/j.nanoen.2023.109245]
2. Nani Zhou, Le Shen, Zhen Dong, Jiahong Shen, Lihua Du, Xiping Luo.  (2018)  Enzymatic Synthesis of Thioesters from Thiols and Vinyl Esters in a Continuous-Flow Microreactor.  Catalysts,  (6): (249).  [PMID:] [10.3390/catal8060249]
Solution Calculators
Reviews

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