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Heptane

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Product Description

PRODUCT

Heptane

CAS #

142-82-5

SYNONYM

Alkane C7; Dipropyl methane; n-Heptane; Heptyl hydride; Heptane; Heptane

FORMULA

C7H16

Product Specifications

DENSITY @ 15 ° C

0.711 kg/L

COEFFICIENT OF CUBIC EXPANSION @ 20C

13 10^-4/C

REFRACTIVE INDEX @ 20° C

1.397

COLOUR

+30 Saybolt

BROMINE INDEX

<5 mg Br/100g

DISTILLATION - INITIAL BOILING POINT

95 C

DISTILLATION - DRY POINT

99 C

RELATIVE EVAPORATION RATE (NBUAC=1)

3.9

RELATIVE EVAPORATION RATE (ETHER=1)

3.0

ANTOINE CONSTANT A #

7.72070 kPa, C

ANTOINE CONSTANT B #

2545,47 kPa, C

ANTOINE CONSTANT C #

349.430 kPa, C

TEMPERATURE LIMITS FOR ANTOINE EQUATION

+30 to +90 C

VAPOUR PRESSURE @ 0C

2.7 kPa

VAPOUR PRESSURE @ 20C

6.8 kPa

SATURATED VAPOUR CONCENTRATION @ 20C

275 g/m^3

PARAFFINS

70 % m/m

NAPHTHENES

30 % m/m

AROMATICS

<5 mg/kg

BENZENE

<3 mg/kg

N-HEXANE

<0.1 % m/m

SULPHUR

<0.5 mg/kg

FLASH POINT (ABEL)

-7 C

LOWER EXPLOSION LIMIT IN AIR

1.0 % v/v

UPPER EXPLOSION LIMIT IN AIR

7.0 % v/v

AUTO IGNITION TEMP

215 C (ASTM E659)

ELECTRICAL CONDUCTIVITY @ 20C

<1 pS/m

ANILINE POINT

61 C

POUR POINT

<-50 C

KAURI-BUTANOL NUMBER

32

VISCOSITY @ 25°C

0.64 mm^2/s

SURFACE TENSION @ 20C

21 mN/m

THERMAL CONDUCTIVITY @ 20C

0.12 W/m/C

HILDEBRAND SOLUBILITY PARAMETER

7.5 (cal/cm^3)^1/2

HYDROGEN BONDING INDEX

0

FRACTIONAL POLARITY

0

MOLECULAR WEIGHT

99 g/mol

CHEMICAL STRUCTURE

Heptane distributor CAS: 142-82-5 C7H16 chemical structure

MELTING POINT

-91 c

ODOR

gasoline-like odor

INSOLUBILITY

in water

VAPOR PRESSURE

45.7 mm hg

REFRACTIVE INDEX

1.38764 (20 c)

COLOR

volatile colorless liquid

FLASH POINT

(cc) -3.89 c

SOLUBILITY

alcohol, ether, chloroform

BOILING POINT

98.428 c

DENSITY

0.68368 (20 c)

SURFACE TENSION

19.7 dynescm

DIELECTRIC CONSTANT

1.925

AUTO/SELF IGNITION TEMPERATURE

temp. 204 c

NOTES

Heptane is a very popular compound that is widely used as a totally non-polar solvent.

Use: SOLVENT

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