1-Butanethiol - ≥97% , CAS No.109-79-5

CAS: 109-79-5 Cat. No.: B105717 Molecular Weight: 90.19 Beilstein Registry Number: 1730908 EC Number: 203-705-3
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
n-butyl mercaptan, 1,2-(14)C,2-(35) S-labeled cpd | 1-BUTYL MERCAPTAN [HSDB] | AKOS009031443 | InChI=1/C4H10S/c1-2-3-4-5/h5H,2-4H2,1H | n-BuSH | A802088 | AI3-22954 | n-C4H9SH | EINECS 203-705-3 | EPA Pesticide Chemical Code 125001 | Caswell No. 119D | n-
Storage
Room temperature,Argon charged
Shipped In
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Size
Status
Price
Qty
25ml
B105717-25ml
≥10
$14.90
100ml
B105717-100ml
2
$29.90
500ml
B105717-500ml
2
$95.90
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service Check lot-specific COA for exact specifications.

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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 34 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

1-Butanethiol is used as a model gaseous analyte for fast-responding membrane-free amperometric gas sensor.

Specifications

Synonyms
n-butyl mercaptan, 1, 2-(14)C, 2-(35) S-labeled cpd | 1-BUTYL MERCAPTAN [HSDB] | AKOS009031443 | InChI=1/C4H10S/c1-2-3-4-5/h5H, 2-4H2, 1H | n-BuSH | A802088 | AI3-22954 | n-C4H9SH | EINECS 203-705-3 | EPA Pesticide Chemical Code 125001 | Caswell No. 119D | n-
Specifications & Purity
≥97%
Storage
Room temperature, Argon charged
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid504751543
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504751543
Canonical SmilesCCCCS
IUPAC Namebutane-1-thiol
InChIKeyWQAQPCDUOCURKW-UHFFFAOYSA-N
INCHI1S/C4H10S/c1-2-3-4-5/h5H,2-4H2,1H3
Isomeric SMILES CCCCS
WGK Germany 3
RTECS EK6300000
UN Number 2347
Packing Group II
Molecular Weight 90.19
Beilstein 1730908
Reaxy-Rn 1730908
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1730908&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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganosulfur compounds
ClassThiols
SubclassAlkylthiols
Intermediate Tree Nodes Not available
Direct ParentAlkylthiols
Alternative Parents Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alkylthiol - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain.
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
L2111017Certificate of AnalysisSep 17, 2025 B105717
G2515011Certificate of AnalysisAug 05, 2025 B105717
G2515012Certificate of AnalysisAug 05, 2025 B105717
D2615149Certificate of AnalysisJul 18, 2025 B105717
H2513241Certificate of AnalysisJul 18, 2025 B105717
H2513242Certificate of AnalysisJul 18, 2025 B105717
H2513243Certificate of AnalysisJul 18, 2025 B105717
C2125048Certificate of AnalysisJan 09, 2025 B105717
J2220177Certificate of AnalysisOct 11, 2022 B105717
J2220178Certificate of AnalysisOct 11, 2022 B105717
J2220179Certificate of AnalysisOct 11, 2022 B105717
C2223165Certificate of AnalysisFeb 15, 2022 B105717
C2223175Certificate of AnalysisFeb 15, 2022 B105717
C2223186Certificate of AnalysisFeb 15, 2022 B105717

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Chemical and Physical Properties
SolubilitySoluble in water (0.59g/L at 20°C).
SensitivityAir Sensitive
Refractive Index1.4410 to 1.4450
Flash Point(°F)35.6℉
Flash Point(°C)2℃
Boil Point(°C)98.4°C
Melt Point(°C)-116°C
Molecular Weight90.190 g/mol
XLogP32.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count2
Exact Mass90.0503 Da
Monoisotopic Mass90.0503 Da
Topological Polar Surface Area1.000 Ų
Heavy Atom Count5
Formal Charge0
Complexity13.100
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
Citations of This Product
References
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