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Merck
CN

30490

Decahydronaphthalene, mixture of cis + trans

purum, cis+trans, ≥98.0% (GC)

Synonym(s):

Decalin

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About This Item

Empirical Formula (Hill Notation):
C10H18
CAS Number:
Molecular Weight:
138.25
EC Number:
202-046-9
UNSPSC Code:
12190000
MDL number:
Beilstein/REAXYS Number:
878165
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vapor density

4.76 (vs air)

vapor pressure

42 mmHg ( 92 °C), 741 mmHg ( 188 °C)

grade

purum

assay

≥98.0% (GC)

autoignition temp.

482 °F

expl. lim.

0.7-4.9 %, 100 °F

impurities

≤1% tetrahydronaphthalene

refractive index

n20/D 1.474

bp

189-191 °C (lit.)

mp

−125 °C (lit.)

density

0.896 g/mL at 25 °C (lit.)

SMILES string

C1CCC2CCCCC2C1

InChI

1S/C10H18/c1-2-6-10-8-4-3-7-9(10)5-1/h9-10H,1-8H2

InChI key

NNBZCPXTIHJBJL-UHFFFAOYSA-N

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Legal Information

Decalin is a trademark of Sigma-Aldrich Co. LLC

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1C

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

134.6 °F - closed cup

flash_point_c

57 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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