Heptane

$18 - $13990

Price

Brand	Packaging	Price	Product name
AK Scientific 7811AF	500mL	$47	Heptane
Alfa Aesar A19894	500ml	$49.7	n-Heptane, 99%
Alfa Aesar 032441	1L	$69.1	n-Heptane, Spectrophotometric Grade, 99+% n-Heptane 96% min
Alfa Aesar 032441	4L	$130.65	n-Heptane, Spectrophotometric Grade, 99+% n-Heptane 96% min
Alfa Aesar A19894	2500ml	$125	n-Heptane, 99%
Alfa Aesar 040978	4L	$164	n-Heptane, Environmental Grade
Alfa Aesar 047191	250ml	$36.65	n-Heptane, anhydrous, over molecular sieves, packaged under Argon in resealable ChemSeal? bottles
Alfa Aesar 022911	250ml	$38.2	n-Heptane, HPLC grade, 99+%
Alfa Aesar H33987	1000ml	$40.5	n-Heptane, 95%
Alfa Aesar 044457	100ml	$44.9	n-Heptane, anhydrous, 99+%, packaged under Argon in resealable ChemSeal? bottles

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Melting point	−91 °C(lit.)
Boiling point	98 °C(lit.)
Density	0.684 g/mL at 20 °C
vapor density	3.5 (vs air)
vapor pressure	40 mm Hg ( 20 °C)
refractive index	n20/D 1.397
Flash point	30 °F
storage temp.	Store at +5°C to +30°C.
solubility	acetone: miscible(lit.)
form	Liquid
pka	>14 (Schwarzenbach et al., 1993)
Specific Gravity	0.684 (20/4℃)
color	≤10(APHA)
Odor	Gasoline.
Relative polarity	0.012
explosive limit	1-7%(V)
Odor Threshold	0.67ppm
Water Solubility	practically insoluble
λmax	λ: 200 nm Amax: ≤1.0 λ: 225 nm Amax: ≤0.10 λ: 250 nm Amax: ≤0.01 λ: 300-400 nm Amax: ≤0.005
Merck	14,4659
BRN	1730763
Henry's Law Constant	0.901, 1.195, and 1.905(atm?m³/mol) at 26.0, 35.8, and 45.0 °C, respectively (dynamic headspace, Hansen et al., 1995)
Exposure limits	NIOSH REL: TWA 85 ppm (350 mg/m³), 15-min ceiling 440 ppm (1,800 mg/m³), IDLH 750 ppm; OSHA PEL: TWA 500 ppm (2,000 mg/m³); ACGIH TLV: TWA 400 ppm, STEL 500 ppm (adopted).
Dielectric constant	1.9（20℃）
Stability	Stable. Incompatible with oxidizing agents, chlorine, phosphorus. Highly flammable. Readily forms explosive mixtures with air.
InChIKey	IMNFDUFMRHMDMM-UHFFFAOYSA-N
LogP	4.660
Surface tension	21.12mN/m at 293.15K
CAS DataBase Reference	142-82-5(CAS DataBase Reference)
NIST Chemistry Reference	Heptane(142-82-5)
EPA Substance Registry System	Heptane (142-82-5)
Absorption	0.10 at 225nm 0.40 at 210nm 1.0 at 197nm