Pristane
Also known as: 2,4-DIPHENYL-6-(4'-METHOXYPHENYL)PYRYLIUM PERCHLORATE, 2,6,10,10-Tetramethylpentadecane, 2,6,10,14-Tetramethylpentadecane, 2,6,10,14-Tetramethylpentadecane pristane, 2,6,10,14-tetramethyl pentadecane, 2,6,10,14-tetramethyl-pentadecan, Bute hydrocarbon, EINECS 217-650-8, MFCD00008952, NORPHYTANE, Norphytan, Norphytane, Norphytane, robuoy, PRISTANE, Pentadecane, 2,6,10,14-tetramethyl-, Pentadecane,2,6,10,14-tetramethyl, Pristan, UNII-26HZV48DT1, pristane
Pristane (CAS 1921-70-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H40 and a molecular weight of 268.521 g/mol. Key properties include a melting point of -99ºC, a boiling point of 296.0±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 140.7±12.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1921-70-6
- Jingsj CID
- J-35030-1
- Molecular Formula
- C19H40
- Molecular Weight
- 268.521 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -99ºC |
|---|---|
| Boiling Point | 296.0±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 140.7±12.3 °C |
| Exact Mass | 268.312988 |
| LogP | 10.11 |
| Appearance | liquid | Clear colorless |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.436 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Activity & Biological Data
| Additional Information | [1]. J J Turner, et al. Krypton Fluoride: Preparation by the Matrix Isolation Technique. Science. 1963 May 31;140(3570):974-5. [2]. Jens Holmberg,et al. Pristane, a non-antigenic adjuvant, induces MHC class II-restricted, arthritogenic T cells in the rat. J Immunol. 2006 Jan 15;176(2):1172-9. |
|---|
Customs & Trade Information
| HS Code | 2901100000 |
|---|---|
| Summary | 2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Pristane?
The CAS number of Pristane is 1921-70-6.
What are the molecular formula and molecular weight of Pristane?
Pristane has molecular formula C19H40 and molecular weight 268.521 g/mol.
Is Pristane hazardous?
Pristane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Pristane?
For Pristane, Upstream Products: Phytone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pristane (CAS 1921-70-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35030-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.