o-Toluidine hydrochloride - ≥98% , CAS No.636-21-5

CAS: 636-21-5 Cat. No.: O333989 Molecular Weight: 143.61 Beilstein Registry Number: 3558629 EC Number: 211-252-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1-Methyl-2-aminobenzene hydrochloride | 2-METHYLPHENYLAMMONIUM CHLORIDE | MFCD00012959 | Tox21_302772 | UNII-DX2X117B81 | o-Tolylamine hydrochloride | Prilocaine impurity B, European Pharmacopoeia (EP) Reference Standard | AS-81677 | o-Toluidine hydrochlo
Storage
Store at 2-8°C
Shipped In
Wet ice
Size
Status
Price
Qty
5g
O333989-5g
3
$14.90
25g
O333989-25g
2
$56.90
100g
O333989-100g
1
$156.90
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

Store at 2-8°C Ships Wet ice 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1-Methyl-2-aminobenzene hydrochloride | 2-METHYLPHENYLAMMONIUM CHLORIDE | MFCD00012959 | Tox21_302772 | UNII-DX2X117B81 | o-Tolylamine hydrochloride | Prilocaine impurity B, European Pharmacopoeia (EP) Reference Standard | AS-81677 | o-Toluidine hydrochlo
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Product Properties
pKapKₐ: 4.39
Names and Identifiers
Pubchem Sid488181678
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488181678
Canonical SmilesCC1=CC=CC=C1N.Cl
IUPAC Name2-methylaniline;hydrochloride
InChIKeyOGVXWEOZQMAAIM-UHFFFAOYSA-N
INCHI1S/C7H9N.ClH/c1-6-4-2-3-5-7(6)8;/h2-5H,8H2,1H3;1H
Isomeric SMILES CC1=CC=CC=C1N.Cl
WGK Germany 3
RTECS XU7350000
UN Number 3077
Packing Group III
Molecular Weight 143.61
Beilstein 3558629
Reaxy-Rn 3558629
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3558629&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 ParentAminotoluenes
Alternative Parents Aniline and substituted anilines  Primary amines  Organopnictogen compounds  Hydrochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Aminotoluene - Aniline or substituted anilines - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Hydrochloride - Primary amine - Organonitrogen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aminotoluenes. These are organic aromatic compounds containing a benzene that carries a single methyl group and one amino group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ppard Peroxisome proliferator-activated receptor delta (358 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.

6 results found

Lot NumberCertificate TypeDateItem
F2306470Certificate of AnalysisMar 18, 2026 O333989
F2306471Certificate of AnalysisMar 18, 2026 O333989
F2306780Certificate of AnalysisMar 18, 2026 O333989
F2306781Certificate of AnalysisMar 18, 2026 O333989
F2306782Certificate of AnalysisMar 18, 2026 O333989
F2306783Certificate of AnalysisMar 18, 2026 O333989
Chemical and Physical Properties
SolubilitySoluble in water, methanol, and alcohol. Insoluble in ether, and benzene.
Refractive Indexn20D~1.57 (Predicted)
Boil Point(°C)242° C (lit.)
Melt Point(°C)215-217° C (lit.)
Molecular Weight143.610 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass143.05 Da
Monoisotopic Mass143.05 Da
Topological Polar Surface Area26.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity70.800
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
Solution Calculators
Reviews

Customer Reviews

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