Home Categories Analytical Chemistry Decahydronaphthalene
A3249712

Decahydronaphthalene , Waterless grade, ≥99% , 91-17-8

Synonym(s):
Decahydronaphthalene;Decalin

CAS NO.:91-17-8

Empirical Formula: C10H18

Molecular Weight: 138.25

MDL number: MFCD00004130

EINECS: 202-046-9

Update time: 2022-07-08

PRODUCT Properties

Melting point: −125 °C(lit.)
Boiling point: 189-191 °C(lit.)
Density  0.896 g/mL at 25 °C(lit.)
vapor density  4.76 (vs air)
vapor pressure  42 mm Hg ( 92 °C)
refractive index  n20/D 1.474(lit.)
Flash point: 57 °C
storage temp.  Store below +30°C.
solubility  0.006g/l (experimental)
form  Liquid
color  Clear
Odor Aromatic, like turpentine; mild, characteristic.
explosive limit 0.7-4.9%, 100°F
Water Solubility  6 mg/L at 20 ºC
Sensitive  Hygroscopic
Merck  14,2846
BRN  878165
Henry's Law Constant 7.00, 8.37, 10.6, 11.7, and 19.9 (x 10-2 atm?m3/mol) at 10, 15, 20, 25, and 30 °C, respectively (EPICS, Ashworth et al., 1988)
Dielectric constant 2.2(20℃)
Stability: Stable. Incompatible with oxidizing agents. Combustible. May form explosive peroxides. Heat and light accelerate peroxide formation.
InChIKey NNBZCPXTIHJBJL-UHFFFAOYSA-N
LogP 4.2

Description and Uses

Solvent for naphthalene, fats, resins, oils; alternate for turpentine in lacquers, shoe polishes, and waxes; component in motor fuels and lubricants

Safety

Symbol(GHS) 
GHS02,GHS05,GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H226-H304-H314-H331-H410
Precautionary statements  P210-P280-P301+P330+P331-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C,N,Xi
Risk Statements  20-34-51/53-36/37/38-65
Safety Statements  26-36/37/39-45-60-24/25-23-62-61
RIDADR  UN 1147 3/PG 3
WGK Germany  1
RTECS  QJ3150000
Autoignition Temperature 482 °F
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29021990
Toxicity LD50 orally in rats: 4.2 g/kg; LC (in air) in rats: 500 ppm (Smyth)

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