1-Methylnaphthalene

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Names

[ CAS No. ]:
90-12-0

[ Name ]:
1-Methylnaphthalene

[Synonym ]:
Naphthalene, 1-methyl-
A-METHYLNAPHTHALENE
ALPHA-METHYLNAPHTHALENE
1-Methylnaphthene
monomethyl naphthalene
1-methylnaphtalene
FEMA 3193
L66J B1
α-Methylnaphthalene
methyl-naphthalene
Methyl-1-naphthalene
MFCD00004034
1 Methyl Napthalene
EINECS 201-966-8
1-Methylnaphthalene
1-METHYLNAPHTHALENE FOR SYNTHESIS
1-methyl-naphthalen
1-Methyl-naphthalene
1-METHYLNAPHTHYLENE
1-Methylnapththalene
femanumber3193
1-Methyl Naphtalene
Fasudil Impurity 12

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
242.8±3.0 °C at 760 mmHg

[ Melting Point ]:
-22ºC

[ Molecular Formula ]:
C₁₁H₁₀

[ Molecular Weight ]:
142.197

[ Flash Point ]:
82.2±0.0 °C

[ Exact Mass ]:
142.078247

[ LogP ]:
3.91

[ Vapour Pressure ]:
0.1±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.617

[ Stability ]:
Stable. Combustible. Incompatible with strong oxidizing agents, oxygen.

[ Water Solubility ]:
0.026 g/L (25 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ9630000

CHEMICAL NAME :: Naphthalene, 1-methyl-

CAS REGISTRY NUMBER :: 90-12-0

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C11-H10

MOLECULAR WEIGHT :: 142.21

WISWESSER LINE NOTATION :: L66J B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1840 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Human Lymphocyte

DOSE/DURATION :: 250 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 208,155,1988 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 20 mg/m3 JAN 1993

Safety Information

[ Symbol ]:

GHS07, GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302-H411

[ Precautionary Statements ]:
P273-P301 + P312 + P330-P391-P501

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R22;R51/53

[ Safety Phrases ]:
S61

[ RIDADR ]:
UN 3082

[ WGK Germany ]:
2

[ RTECS ]:
QJ9630000

[ Packaging Group ]:
III

[ Hazard Class ]:
9.0

[ HS Code ]:
29029080

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

(1H-cyclobuta[de]naphthalen-1-yl)lithium
2-methyl-2-((naphthalen-1-ylmethyl)amino)propan-1-ol
1-Bromonaphthalene
[[[[bis(trimethylsilyl)amino]-iodo-methylstannyl]-trimethylsilylamino]-dimethylsilyl]methane
1-Cyanonaphthalene
2-(1-Naphthyl)acetamide
1-Chloromethyl naphthalene
1-(Brommethyl)naphthalen
naphthal

DownStream

3-(1-Naphthyl)propanoic acid
4-Methyl-1-naphthonitrile
4-Methyl-1-naphthaldehyde
1-Methylnaphthalene-2-carboxaldehyde
4-Methyl-1-naphthoic acid
cyclohexane
1,2-DIMETHYLCYCLOHEXANE
CIS-1-ETHYL-2-METHYLCYCLOHEXANE
perfluoro(methyldecalin)
urazole

Customs

[ HS Code ]: 2902909090

[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Articles

QSPR modeling of octanol/water partition coefficient for vitamins by optimal descriptors calculated with SMILES.

Eur. J. Med. Chem. 43 , 714-40, (2008)

Simplified molecular input line entry system (SMILES) has been utilized in constructing quantitative structure-property relationships (QSPR) for octanol/water partition coefficient of vitamins and org...

Optimization of a large-volume injection method for compound-specific isotope analysis of polycyclic aromatic compounds at trace concentrations.

Rapid Commun. Mass Spectrom. 29 , 2349-60, (2015)

Compound-specific isotope analysis (CSIA) of persistent organic contaminants can be used for source apportioning in the environment if appropriate sensitivity can be achieved. This paper describes the...

Influence of solvent, electron acceptors and arenes on photochemical decarboxylation of free carboxylic acids via single electron transfer (SET).

Molecules 15(4) , 2623-30, (2010)

Single electron transfer (SET)-photochemical decarboxylation of free carboxylic acids was performed in a polar solvent using several arenes such as phenanthrene, naphthalene, 1-methylnaphthalene, biph...