294772

Decahydronaphthalene, mixture of cis + trans

anhydrous, ≥99%

• Synonym(s): Decalin^™
• Empirical Formula (Hill Notation): C₁₀H₁₈
• CAS Number: 91-17-8
• Molecular Weight: 138.25
• Beilstein/REAXYS Number: 878165
• EC Number: 202-046-9
• MDL number: MFCD00004130
• UNSPSC Code: 12190000
• PubChem Substance ID: 24857736
• NACRES: NA.21

Properties

• grade: anhydrous
• Quality Level: 100
• vapor density: 4.76 (vs air)
• vapor pressure: 42 mmHg ( 92 °C); 741 mmHg ( 188 °C)
• assay: ≥99%
• form: liquid
• autoignition temp.: 482 °F
• expl. lim.: 0.7-4.9 %, 100 °F
• impurities: <0.002% water; <0.005% water (100 mL pkg)
• refractive index: n20/D 1.474 (lit.)
• 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

Description

Application

Decahydronaphthalene, mixture of cis + trans has been used as a liquid phase to study the reaction rate of hydrogenation of cyclohexene in the presence of a Pd–Al/biomorphic carbon catalyst.

Legal Information

Decalin is a trademark of Sigma-Aldrich Co. LLC

Safety Information

• pictograms: GHS02,GHS06,GHS08,GHS05,GHS09
• signalword: Danger
• hcodes: H226,H304,H314,H331,H410
• pcodes: P210 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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_germany: 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