Cas no 2809-64-5 (Naphthalene, 1,2,3,4-tetrahydro-5-methyl-)

Naphthalene, 1,2,3,4-tetrahydro-5-methyl-, is a partially hydrogenated derivative of naphthalene with a methyl substituent at the 5-position. This compound exhibits enhanced stability compared to fully aromatic naphthalene due to its reduced ring structure, making it useful in applications requiring controlled reactivity. Its saturated cyclohexane-like rings contribute to lower volatility and improved handling characteristics. The methyl group introduces steric and electronic effects, influencing its solubility and reactivity in synthetic processes. This intermediate is valued in organic synthesis, particularly in the production of fine chemicals and pharmaceuticals, where selective hydrogenation and functionalization are critical. Its balanced properties make it a versatile building block in specialized chemical transformations.

Naphthalene, 1,2,3,4-tetrahydro-5-methyl- structure

2809-64-5 structure

Product Name:Naphthalene, 1,2,3,4-tetrahydro-5-methyl-

CAS No:2809-64-5

MF:C₁₁H₁₄

MW:146.228863239288

MDL:MFCD00216193

CID:275648

PubChem ID:17768

Update Time:2025-06-07

Naphthalene, 1,2,3,4-tetrahydro-5-methyl- Chemical and Physical Properties

Names and Identifiers

- Naphthalene,1,2,3,4-tetrahydro-5-methyl-
- 5-methyl-1,2,3,4-tetrahydronaphthalene
- 5-Methyltetraline
- 1,2,3,4-tetrahydro-5-methyl-naphthalene
- 1-methyltetralin
- 5-methyl-1,2,3,4-tetrahydro-naphthalene
- 5-Methyl-1,2,3,4-tetrahydronaphthalin
- 5-Methyltetralin
- 5-Methyltetraline1000μg
- C11H14
- c1-9-5-4-7-10-6-2-3-8-11(9)10
- h4-5,7H,2-3,6,8H2,1H
- Naphthalene,1,2,3,4-tetrahydro-5-methyl
- Naphthalene, 1,2,3,4-tetrahydro-5-methyl-
- 888WK5BNU1
- 5-Methylteralin
- YXOVIGZJPGLNGM-UHFFFAOYSA-N
- FCH840460
- 1-Methyl-5,6,7,8-tetrahydronaphthalene
- Q27269900
- 5-methyl-1, 2, 3, 4-tetrahydronaphthalene
- N10858
- MFCD00216193
- AKOS006273345
- UNII-888WK5BNU1
- AS-56833
- 1,2,3,4-tetrahydro-5-methylnaphthalene
- DTXSID50182365
- CS-0197111
- InChI=1/C11H14/c1-9-5-4-7-10-6-2-3-8-11(9)10/h4-5,7H,2-3,6,8H2,1H
- FT-0705885
- 2809-64-5
- DTXCID60104856
- MDL： MFCD00216193
- Inchi： 1S/C11H14/c1-9-5-4-7-10-6-2-3-8-11(9)10/h4-5,7H,2-3,6,8H2,1H3
- InChI Key： YXOVIGZJPGLNGM-UHFFFAOYSA-N
- SMILES： C1CC2C(C)=CC=CC=2CC1

Computed Properties

Exact Mass: 146.11000
Monoisotopic Mass: 146.11
Isotope Atom Count: 0
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 0
Heavy Atom Count: 11
Rotatable Bond Count: 0
Complexity: 128
Covalently-Bonded Unit Count: 1
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count : 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Surface Charge: 0
Tautomer Count: nothing
XLogP3: 3.7
Topological Polar Surface Area: 0

Experimental Properties

Density: 0.9720
Melting Point: -23°C
Boiling Point: 234.05°C
Flash Point: 94.2°C
Refractive Index: 1.5439
PSA: 0.00000
LogP: 2.87380
Vapor Pressure: 0.1±0.2 mmHg at 25°C

Naphthalene, 1,2,3,4-tetrahydro-5-methyl- Security Information

Signal Word：warning
Hazard Statement： H303May be harmful if swallowed+H313Skin contact may be harmful+H333Inhalation may be harmful to the body
Warning Statement： P264Thoroughly clean after treatment
P280Wear protective gloves/Wear protective clothing/Wear protective goggles/Wear a protective mask
P305If it enters the eyes
P351Rinse carefully with water for a few minutes
P338Remove the contact lens(If any)And easy to operate,Continue flushing
P337If eye irritation persists
P313Obtain medical advice/care
Safety Instruction： H303May be harmful if swallowed+H313Skin contact may be harmful+H333Inhalation may be harmful to the body
Storage Condition：storage at -4℃ (1-2weeks), longer storage period at -20℃ (1-2years)

Naphthalene, 1,2,3,4-tetrahydro-5-methyl- Pricemore >>

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