N Pentane, ACS grade, 20L Pail, ChemPure Chemicals

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N Pentane, ACS grade, 20L Pail, ChemPure Chemicals

N Pentane, ACS grade, 20L Pail, ChemPure Chemicals


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  • Molecular Formula: CH3(CH2)3CH3
  • Chemicals name: Pentane, N-
  • Weight: >95%
  • Density: 0.626
  • Formula Weight: 72.15
  • MDL: MFCD00009498
  • Grade: ACS grade, 20L pail
  • See Resources tab for MSDS/SDS

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Pentane, n-, ACS grade, ChemPure Chemicals


Chemical NamePentane

n-Pentane: > 95%

Isopentane: < 5%

Cyclopentane: < 5%

Other hexanes: < 5%

GradeACS grade
CASn-Pentane: 109-66-0

Isopentane: 78-78-4

Cyclopentane: 287-92-3

Molecular Formulan-Pentane: C5H12

Isopentane: C5H12

Cyclopentane: C5H12

Formula Weightn-Pentane: 72.15 g/mol

Isopentane: 72.15 g/mol

Cyclopentane: 70.13 g/mol

Density0.626 g/cm3 at 25°C (77°F)
AppearanceClear, colorless liquid
Odor thresholdNot Available
pHNot Available
Melting Point-130°C (-202°F)
Boiling Point35 - 36°C (95 - 97°F)
Flash Point

-49.0°C (-56.2°F) – closed cup

Evaporation rateNot Available
FlammabilityFlammable, Upper: 8.3% Lower: 1.4%
Vapor Pressure

579.0 hPa (434.3 mmHg) at 20°C (68°F)

1,859.7 hPa (1,394.9 mmHg) at 55°C (131°F)

Vapor Density2.48
MDL NumberMFCD00009498
UN Number1265
Partition coefficient: n-octanol/waterLow Pow: 3.39
Auto-ignition temperature260 °C (500 °F)
Decomposition TemperatureNot Available
Chemical StabilityStable

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  Health HazardFlameExclamation Mark

Safety & Handling Information

  • Causes eye and skin irritation
  • May be harmful if inhaled, irritation can occur to the respiratory tract
  • Vapors cause drowsiness and dizziness
  • May be harmful if swallowed, aspiration hazard, can enter lungs
  • Keep away from sources of ignition - No smoking. Take measures to prevent the build up of electrostatic charge
  • Store in a cool, dry, well ventilated area between 55-100°F for product stability
  • Store with container tightly secured, avoid formation of aerosols
  • Light sensitive, hydroscopic, moisture sensitive
  • Do not store around strong oxidizing agents, avoid sunlight
EyesChemical Safety Glasses/goggles, potential use of splash shields
InhalationLocal exhaust, preferably mechanical. Excess levels require use of approved respirator
SkinNitrile or rubber gloves, apron or lab coat. Type of PPE must be selected according to concentration and amount of dangerous substance

CAS 109-66-0

The Material Safety Data Sheet(MSDS/SDS) for Pentane in ACS Grade

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