CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Transparent liquid; [Merck Index] Colorless liquid; [Sigma-Aldrich MSDS] |
|---|---|
| Color/Form | Colorless, transparent; stable liquid |
| Boiling Point | 296 °C |
| Melting Point | -60 °C /freezing point/ |
| Flash Point | >110 °C (>230 °F) - closed cup |
| Solubility | In water, 1.0X10-8 mg/L at 25 °C |
| Density | 0.775-0.795 at 20 °C |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| Viscosity | 5 Cp at 25 °C |
| Refractive Index | Index of refraction: 1.4379 at 20 °C/D |
| Kovats Retention Index | 1712 1708 1710 1709 1708 1709 1709 1712 1696 1710 1709 1709 |
| Chemical Classes | Other Classes -> Aliphatics, Saturated (>C11) |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 268.5 g/mol |
|---|---|
| XLogP3 | 9.3 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 12 |
| Exact Mass | 268.313001276 g/mol |
| Monoisotopic Mass | 268.313001276 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Complexity | 161 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 2 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Pristane is a norterpene that is an acyclic saturated hydrocarbon derived from phytane by loss of its C-16 terminal methyl group. It has a role as a biomarker and an immunological adjuvant. It is a norterpene and a long-chain alkane.