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(R)-(-)-alpha-Phellandrene

Also known as: (-)-5-Isopropyl-2-Methyl-1,3-Cyclohexadiene, (-)-P-MENTHA-1,5-DIENE, (-)-alpha-phellandrene, (-)-p-Mentha-1,5-diene, (R)-5-Isopropyl-2-methyl-1,3-cyclohexadiene, (-)-α-Phellandrene, (-)-α-phellandrene, (5R)-2-methyl-5-propan-2-ylcyclohexa-1,3-diene, (R)-2-methyl-5-(1-methylethyl)-1,3-cyclohexadiene, (R)-5-isopropyl-2-methylcyclohexa-1,3-diene, 1,3-Cyclohexadiene, 2-methyl-5-(1-methylethyl)-, (5R)-, EINECS 224-167-6, L-ALPHA-PHELLANDRENE, MFCD00062988, R-(-)-A-PHELLANDRENE WITH GC

(R)-(-)-alpha-Phellandrene (CAS 4221-98-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H16 and a molecular weight of 136.23400 g/mol. Key properties include a boiling point of 171-174 °C(lit.), a density of 0.844 g/mL at 20 °C(lit.) and a flash point of 49 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4221-98-1
Jingsj CID
J-20996-6
Molecular Formula
C10H16
Molecular Weight
136.23400 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point171-174 °C(lit.)
Density0.844 g/mL at 20 °C(lit.)
Flash Point49 °C
Exact Mass136.12500
LogP3.16480
Refractive Indexn20/D 1.475

GHS Safety & Compliance

FlammableSignal word: Warning
  • H226 — Flammable liquid and vapour

Customs & Trade Information

HS Code2902199090
Summary2902199090 other cyclanes, cyclenes and cyclotherpenes。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 (R)-(-)-alpha-Phellandrene?

The CAS number of (R)-(-)-alpha-Phellandrene is 4221-98-1.

What are the molecular formula and molecular weight of (R)-(-)-alpha-Phellandrene?

(R)-(-)-alpha-Phellandrene has molecular formula C10H16 and molecular weight 136.23400 g/mol.

Is (R)-(-)-alpha-Phellandrene hazardous?

(R)-(-)-alpha-Phellandrene has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.

What are the upstream and downstream products of (R)-(-)-alpha-Phellandrene?

For (R)-(-)-alpha-Phellandrene, Upstream Products: Geraniol, Methylmagnesium iodide, Geranyl pyrophosphate ammonium salt; Downstream Products: Thymoquinone, Thymohydroquinone, 3-Methylbut-1-ene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(R)-(-)-alpha-Phellandrene (CAS 4221-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20996-6 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.