ARTIKEL SEINDONESIA

Octane
Names
	IUPAC name Octane
Identifiers
CAS Number	111-65-9 ;
3D model (JSmol)	Interactive image;
3DMet	B00281;
Beilstein Reference	1696875
ChEBI	CHEBI:17590 ;
ChEMBL	ChEMBL134886 ;
ChemSpider	349 ;
DrugBank	DB02440 ;
ECHA InfoCard	100.003.539
EC Number	203-892-1;
Gmelin Reference	82412
KEGG	C01387 ;
MeSH	octane
PubChem CID	356;
RTECS number	RG8400000;
UN number	1262
CompTox Dashboard (EPA)	DTXSID0026882 ;
	SMILES CCCCCCCC;
Properties
Chemical formula	C8H18
Molar mass	114.23 g·mol−1
Appearance	Colorless liquid
Odor	Gasoline-like
Density	0.703 g cm−3
Melting point	−57.1 to −56.6 °C; −70.9 to −69.8 °F; 216.0 to 216.6 K
Boiling point	125.1 to 126.1 °C; 257.1 to 258.9 °F; 398.2 to 399.2 K
Solubility in water	0.007 mg dm−3 (at 20 °C)
log P	4.783
Vapor pressure	1.47 kPa (at 20.0 °C)
kH	29 nmol Pa−1 kg−1
Conjugate acid	Octonium
Magnetic susceptibility (χ)	-96.63·10−6 cm3/mol
Refractive index (nD)	1.398
Viscosity	542 μPa s (at 20 °C)
Thermochemistry
Std enthalpy of; formation ΔfHo298	−252.1–−248.5 kJ mol−1
Std enthalpy of; combustion ΔcHo298	−5.53–−5.33 MJ mol−1
Standard molar; entropy So298	361.20 J K−1 mol−1
Specific heat capacity, C	255.68 J K−1 mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H304, H315, H336, H410
Precautionary statements	P210, P261, P273, P301+P310, P331
NFPA 704 (fire diamond)	1 3 0
Flash point	13.0 °C (55.4 °F; 286.1 K)
Autoignition; temperature	220.0 °C (428.0 °F; 493.1 K)
Explosive limits	0.96–6.5%
	Lethal dose or concentration (LD, LC):
LDLo (lowest published)	428 mg/kg (mouse, intravenous)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 500 ppm (2350 mg/m3)
REL (Recommended)	TWA 75 ppm (350 mg/m3) C 385 ppm (1800 mg/m3) [15-minute]
IDLH (Immediate danger)	1000 ppm
Related compounds
Related alkanes	Heptane; Nonane;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	verify (what is ?)
	Infobox references

Octane is an organic compound with the chemical formula C
₈H
₁₈. It is an alkane with eight carbon atoms. It is commonly used in fuel. It is the most important part of gasoline, because it is the part that lets out most of the energy that comes from gasoline when it is burned. A high octane fuel will be better than a low octane fuel.

References

↑ "octane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 6 January 2012.
↑ ^2.0 ^2.1 ^2.2 ^2.3 NIOSH Pocket Guide to Chemical Hazards. "#0470". National Institute for Occupational Safety and Health (NIOSH).
↑ "Octane". Immediately Dangerous to Life or Health Concentrations. National Institute for Occupational Safety and Health.

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[1] "octane - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 16 September 2004. Identification and Related Records. Retrieved 6 January 2012.

[PGCH-2] 2.0 ^2.1 ^2.2 ^2.3 NIOSH Pocket Guide to Chemical Hazards. "#0470". National Institute for Occupational Safety and Health (NIOSH).

[3] "Octane". Immediately Dangerous to Life or Health Concentrations. National Institute for Occupational Safety and Health.

[1]

[2]

[3]

Names




IUPAC name Octane^[1]
Identifiers
CAS Number	111-65-9^Y
3D model (JSmol)	Interactive image
3DMet	B00281
Beilstein Reference	1696875
ChEBI	CHEBI:17590^N
ChEMBL	ChEMBL134886^Y
ChemSpider	349^Y
DrugBank	DB02440^N
ECHA InfoCard	100.003.539
EC Number	203-892-1
Gmelin Reference	82412
KEGG	C01387^Y
MeSH	octane
PubChem CID	356
RTECS number	RG8400000
UN number	1262
CompTox Dashboard (EPA)	DTXSID0026882

SMILES CCCCCCCC
Properties
Chemical formula	C₈H₁₈
Molar mass	114.23 g·mol⁻¹
Appearance	Colorless liquid
Odor	Gasoline-like^[2]
Density	0.703 g cm⁻³
Melting point	−57.1 to −56.6 °C; −70.9 to −69.8 °F; 216.0 to 216.6 K
Boiling point	125.1 to 126.1 °C; 257.1 to 258.9 °F; 398.2 to 399.2 K
Solubility in water	0.007 mg dm⁻³ (at 20 °C)
log P	4.783
Vapor pressure	1.47 kPa (at 20.0 °C)
k_H	29 nmol Pa⁻¹ kg⁻¹
Conjugate acid	Octonium
Magnetic susceptibility (χ)	-96.63·10⁻⁶ cm³/mol
Refractive index (n_D)	1.398
Viscosity	542 μPa s (at 20 °C)
Thermochemistry
Std enthalpy of formation Δ_fH^o₂₉₈	−252.1–−248.5 kJ mol⁻¹
Std enthalpy of combustion Δ_cH^o₂₉₈	−5.53–−5.33 MJ mol⁻¹
Standard molar entropy S^o₂₉₈	361.20 J K⁻¹ mol⁻¹
Specific heat capacity, C	255.68 J K⁻¹ mol⁻¹
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H304, H315, H336, H410
Precautionary statements	P210, P261, P273, P301+P310, P331
NFPA 704 (fire diamond)	1 3 0
Flash point	13.0 °C (55.4 °F; 286.1 K)
Autoignition temperature	220.0 °C (428.0 °F; 493.1 K)
Explosive limits	0.96–6.5%
Lethal dose or concentration (LD, LC):
LD_Lo (lowest published)	428 mg/kg (mouse, intravenous)^[3]
NIOSH (US health exposure limits):
PEL (Permissible)	TWA 500 ppm (2350 mg/m³)^[2]
REL (Recommended)	TWA 75 ppm (350 mg/m³) C 385 ppm (1800 mg/m³) [15-minute]^[2]
IDLH (Immediate danger)	1000 ppm^[2]
Related compounds
Related alkanes	Heptane Nonane
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

Octane

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