SULFUR TRIOXIDE TRIMETHYLAMINE COMPLEX , CAS No.3162-58-1

CAS: 3162-58-1 Cat. No.: S189107 Molecular Weight: 139.17 EC Number: 221-614-7 PubChem CID: 222852
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Synonyms
Sulfur trioxide trimethylamine | J-018497 | EINECS 241-729-6 | SCHEMBL284722 | Sulfur trioxide, compd. with trimethylamine (1:1) | FT-0634711 | Trimethylamine sulfur trioxide | EN300-227526 | Trimethylamine compound with sulfur trioxide | sulfonylideneoxi
Storage
Room temperature,Argon charged
Shipped In
Normal
Size
Status
Price
Qty
5g
S189107-5g
3
$9.90
25g
S189107-25g
2
$26.90
100g
S189107-100g
1
$68.90
500g
S189107-500g
1
$239.90
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged Ships Normal 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Application Reactant for sulfation reactions involving: · Synthesis of sulfate-conjugated resveratrol metabolites · Chitooligosaccharides used for anti-HIV-1 activity · Dodecyl thioglycopyranoside used as a surfactant for enantiomeric separation · Glycosaminoglycans which facilitate activation of signaling pathways dependent on sulfation pattern · Polysaccharides as heparan sulfate mimetics Nucleophile for the synthesis of α-tosyloxy ketones

Reactant for sulfation reactions involving:

Synthesis of sulfate-conjugated resveratrol metabolites
Chitooligosaccharides used for anti-HIV-1 activity
Dodecyl thioglycopyranoside used as a surfactant for enantiomeric separation
Glycosaminoglycans which facilitate activation of signaling pathways dependent on sulfation pattern
Polysaccharides as heparan sulfate mimetics

Nucleophile for the synthesis of α-tosyloxy ketones

Specifications

Synonyms
Sulfur trioxide trimethylamine | J-018497 | EINECS 241-729-6 | SCHEMBL284722 | Sulfur trioxide, compd. with trimethylamine (1:1) | FT-0634711 | Trimethylamine sulfur trioxide | EN300-227526 | Trimethylamine compound with sulfur trioxide | sulfonylideneoxi
Storage
Room temperature, Argon charged
Shipped In
Normal
Names and Identifiers
Pubchem Sid508811613
Canonical SmilesCN(C)C.O=S(=O)=O
IUPAC NameN,N-dimethylmethanamine;sulfur trioxide
InChIKeyDXASQZJWWGZNSF-UHFFFAOYSA-N
INCHI1S/C3H9N.O3S/c2*1-4(2)3/h1-3H3;
Isomeric SMILES CN(C)C.O=S(=O)=O
WGK Germany 3
PubChem CID 222852
Molecular Weight 139.17

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 nitrogen compounds
ClassOrganonitrogen compounds
SubclassAmines
Intermediate Tree Nodes Tertiary amines
Direct ParentTrialkylamines
Alternative Parents Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Tertiary aliphatic amine - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkylamines. These are organic compounds containing a trialkylamine group, characterized by exactly three alkyl groups bonded to the amino nitrogen.
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.

25 results found

Lot NumberCertificate TypeDateItem
E2614181Certificate of AnalysisApr 24, 2026 S189107
E2614182Certificate of AnalysisApr 24, 2026 S189107
E2614183Certificate of AnalysisApr 24, 2026 S189107
E2614208Certificate of AnalysisApr 24, 2026 S189107
E2614209Certificate of AnalysisApr 24, 2026 S189107
E2614210Certificate of AnalysisApr 24, 2026 S189107
E2612455Certificate of AnalysisApr 24, 2026 S189107
E2612458Certificate of AnalysisApr 24, 2026 S189107
H2202417Certificate of AnalysisFeb 04, 2026 S189107
L2510591Certificate of AnalysisNov 29, 2025 S189107
C2624052Certificate of AnalysisNov 29, 2025 S189107
L2510584Certificate of AnalysisNov 29, 2025 S189107
L2510583Certificate of AnalysisNov 29, 2025 S189107
J2530665Certificate of AnalysisOct 20, 2025 S189107
J2530666Certificate of AnalysisOct 20, 2025 S189107
L2326207Certificate of AnalysisOct 11, 2025 S189107
I2301745Certificate of AnalysisJun 10, 2025 S189107
I2301751Certificate of AnalysisJun 10, 2025 S189107
K2117270Certificate of AnalysisJun 09, 2025 S189107
K2117271Certificate of AnalysisJun 09, 2025 S189107
K2117272Certificate of AnalysisJun 09, 2025 S189107
G2122266Certificate of AnalysisFeb 07, 2025 S189107
I2301734Certificate of AnalysisAug 21, 2023 S189107
G2122268Certificate of AnalysisMay 10, 2023 S189107
H2202418Certificate of AnalysisJun 12, 2022 S189107

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Chemical and Physical Properties
SolubilitySoluble in hot water and ethanol. Slightly soluble in dimethyl sulfoxide and methanol. Insoluble in water.
SensitivityMoisture sensitive
Melt Point(°C)232 °C
Molecular Weight139.180 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass139.03 Da
Monoisotopic Mass139.03 Da
Topological Polar Surface Area55.500 Ų
Heavy Atom Count8
Formal Charge0
Complexity69.800
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 Count2
Citations of This Product
References
1. Wenbo Du, Handou Zheng, Yinwu Li, Chi Shing Cheung, Donghui Li, Heng Gao, Huiyun Deng, Haiyang Gao.  (2022)  Neutral Tridentate α-Sulfonato-β-diimine Nickel Catalyst for (Co)polymerizations of Ethylene and Acrylates.  MACROMOLECULES,      [PMID:] [10.1021/acs.macromol.2c00268]
Solution Calculators
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