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629-94-7

629-94-7 structural image
Product Name: N-HENEICOSANE
Formula: C21H44
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Crystals. (NTP, 1992)
Color/Form Crystals from water
Odor Odorless
Boiling Point 673.7 °F at 760 mmHg (NTP, 1992)
Melting Point 104.9 °F (NTP, 1992)
Flash Point 113 °C (235 °F) - closed cup
Solubility In water, 2.9X10-8 mg/L at 25 °C (extrapolated)
Density 0.7917 at 68 °F (NTP, 1992) - Less dense than water; will float
Vapor Pressure 8.73X10-5 mm Hg at 25 °C (extrapolated)
Stability/Shelf Life Stable under recommended storage conditions.
Refractive Index Index of refraction: 1.4441 at 20 °C/D
Kovats Retention Index 2100
Chemical Classes Other Classes -> Aliphatics, Saturated (>C11)

SAFETY INFORMATION

Signal word Warning
Pictogram(s)

Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 296.6 g/mol
XLogP3 11
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 18
Exact Mass 296.344301404 g/mol
Monoisotopic Mass 296.344301404 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 21
Formal Charge 0
Complexity 143
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Crystals. (NTP, 1992)