CIS-DECAHYDRONAPHTHALENE Chemical Properties

Melting point:

−43 °C(lit.)

Boiling point:

193 °C(lit.)

Density 

0.897 g/mL at 25 °C(lit.)

vapor density 

4.76 (vs air)

vapor pressure 

42 mm Hg ( 92 °C)

refractive index 

n20/D 1.481(lit.)

Flash point:

137 °F

storage temp. 

Sealed in dry,Room Temperature

form 

clear liquid

color 

Colorless to Almost colorless

explosive limit

0.7-4.9%, 100°F

Water Solubility 

8.92g/L(300 ºC)

Merck 

14,2846

BRN 

1900822

Dielectric constant

2.2（20℃）

Stability:

Stable. Incompatible with oxidizing agents. May form explosive peroxides. Heat and light accelerate peroxide formation.

CAS DataBase Reference

493-01-6(CAS DataBase Reference)

EPA Substance Registry System

cis-Decahydronaphthalene (493-01-6)

Safety Information

Hazard Codes 

Xn,N,C

Risk Statements 

20-36/37/38-65-51/53-34

Safety Statements 

26-36-62-61-45-36/37/39

RIDADR 

UN 1147 3/PG 3

WGK Germany 

3

RTECS 

QJ3150000

Autoignition Temperature

482 °F

HazardClass 

3.2

PackingGroup 

III

HS Code 

29021990

MSDS

• Language:English Provider:SigmaAldrich

CIS-DECAHYDRONAPHTHALENE Usage And Synthesis

Chemical Properties

colourless liquid

Uses

cis-Decahydronaphthalene is used as a quantitation standard in the determination of sesquiterpanes.

Definition

ChEBI: Decalin is an ortho-fused bicyclic hydrocarbon that is the decahydro- derivative of naphthalene. It has a role as a solvent.

Purification Methods

Purification methods described for the mixed isomers are applicable here. The individual isomers can be separated by very efficient fractional distillation, followed by fractional crystallisation by partial freezing. The cis-isomer reacts preferentially with AlCl3 and can be removed from the trans-isomer by stirring the mixture with a limited amount of AlCl3 for 48hours at room temperature, filtering and distilling. [Seyer & Walker J Am Chem Soc 60 2125 1938, Baker & Schuetz J Am Chem Soc 69 1250 1949.] A very pure authentic sample is best obtained by synthesis from cis-1,2-bis-chloroethylcyclohexane [Whitesides & Gutowski J Org Chem 41 2882 1976, Beilstein 5 IV 310.]

CIS-DECAHYDRONAPHTHALENE(493-01-6)Related Product Information

• Decahydronaphthalene
• PEG-3 LAURAMIDE
• 1-Octadecanol
• Dodecane
• Thymol
• Octadecanamine
• TRANS-DECAHYDRONAPHTHALENE
• CIS-DECAHYDRONAPHTHALENE
• DECAHYDRONAPHTHALENE-D18
• CONGRESSANE
• 19-NORETIOCHOLANOLONE
• CIS-DECAHYDRO-1-NAPHTHOL
• (+)-CYCLOSATIVENE
• 9beta,10alpha-pregn-4-ene-3,20-dione
• HEXADECAHYDROPYRENE
• 5-BETA-ESTRAN-3-ALPHA, 17-BETA-DIOL
• 5-BETA-DIHYDRO 19-NORANDROSTENEDIONE
• 5-BETA-DIHYDRONANDROLONE