C21H21P
304.4 g/mol
Research ReagentWarning
Tri-o-tolylphosphine
CAS6163-58-2EC228-193-9
Category
Research Reagent
Compound Class
Aromatic
Primary Use
Research Compound
Tri-o-tolylphosphine is a phosphine ligand used in catalysis research. It is a triarylphosphine compound featuring three 2-methylphenyl groups attached to a central phosphorus atom, making it useful for coordinating to transition metals.
ligand for transition-metal catalysisresearch reagent for cross-coupling reactions
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
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Bis(3,5-dimethylphenyl)phosphine
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research compound
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Dicyclohexylphenylphosphine tetrafluoroborate
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ReferenceSame Category
2-Thiopheneboronic acid
CAS6165-68-0
research compound
ReferenceSame Category
3-Thiopheneboronic acid
CAS6165-69-1
research compound
ReferenceSame Category
Isopropoxyboronic acid pinacol ester
CAS61676-62-8
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life
Customs Tariff Classification
The international HS code for Tri-o-tolylphosphine (CAS 6163-58-2) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
tris(2-methylphenyl)phosphane
InChIKey
COIOYMYWGDAQPM-UHFFFAOYSA-N
SMILES
CC1=CC=CC=C1P(C2=CC=CC=C2C)C3=CC=CC=C3C
Synonyms (38)
- Eletriptan Impurity 1
- P(O-TOL)3
- P(o-tolyl)3
- P(ortho-tolyl)3
- Phosphine, tri-o-tolyl-
- Phosphorus, tri-o-tolyl
- TRI(2-METHYLPHENYL)PHOSPHINE
- TRIS(2-TOLUENE)PHOSPHINE
- Tri-o-tolylphosphine
- Tri-ortho-tolylphosphine
- Tri-ortho-toylphosphine
- Tris(2-methylphenyl)phosphine
- Tris(2-tolyl)phosphine
- Tris(o-toIyl)phosphine
- Tris(o-tolyl)phosphine
- Tris-o-tolyphosphine
- tri(2-Tolyl)phosphine
- tri(o-methylphenyl)phosphine
- tri-o-Tolyphosphine
- tri-o-toluylphosphine
- tri-o-tolyiphosphine
- tri-o-tolylphosphane
- tri-o-tolylphosphin
- tri-o-tolylphospine
- tri-o-tolyphospine
- tri-ortho-toluyl-phosphine
- tri-ortho-tolyl-phosphane
- tri-ortho-tolylphosphin
- tri-ortho-tolylphospine
- tri-orthotolylphoshine
- tris(2-methylphenyl)phosphane
- tris(o-methylphenyl)phosphine
- tris-(0-tolyl)phosphine
- tris-(ortho-toluyl)phospine
- trisorthotolyl-phosphine
- tritolylphosphine
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