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Aromatic building blocks

Retene

Also known as 7-Isopropyl-1-methylphenanthrene, 1-Methyl-7-isopropylphenanthrene, 1-Methyl-7-(1-methylethyl)phenanthrene

CAS 483-65-8Formula C18H18Molar mass 234.34 g/molEC 207-597-9
GHS signal word: Warning. Pictograms: Hazardous to the environment 1 supplier listed
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Retene chemical structure, C18H18, CAS 483-65-8
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
98.9 °C
Boiling point
390 to 393.9
Solubility
Less than 1 mg/mL at 64 °F
HS code
290290
Category
Aromatic building blocks
Illustrative photo, closed blue fibre drums on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Retene?

Plain description, key identifiers and synonyms

Plates or scales (from ethanol) or pearly-beige small flakes. (NTP, 1992)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-methyl-7-propan-2-ylphenanthrene
CAS number
483-65-8 CAS number cross-checked
EC number
207-597-9
Molecular formula
C18H18
UNII
0W2D2E1P9Q
MDL number
MFCD00016358
InChIKey
NXLOLUFNDSBYTP-UHFFFAOYSA-N
InChI
InChI=1S/C18H18/c1-12(2)14-7-10-17-15(11-14)8-9-16-13(3)5-4-6-18(16)17/h4-12H,1-3H3
SMILES (canonical and isomeric)
CC1=C2C=CC3=C(C2=CC=C1)C=CC(=C3)C(C)C

Synonyms

  • 7-Isopropyl-1-methylphenanthrene
  • 1-Methyl-7-isopropylphenanthrene
  • 1-Methyl-7-(1-methylethyl)phenanthrene
  • Phenanthrene, 7-isopropyl-1-methyl-
  • 1-methyl-7-propan-2-ylphenanthrene
  • Reten
  • Phenanthrene, 1-methyl-7-(1-methylethyl)-
  • 7-Isopropyl-1-methyl-phenanthrene
  • 1-methyl-7-(propan-2-yl)phenanthrene
  • 1-methyl-7-isopropylphenathrene
  • Methyl-1-isopropyl-7-phenanthrene
  • Methylisopropylphenanthrene
  • Retene, 98%
  • Retene 10 |Ig/mL in Cyclohexane
  • Retene 10 microg/mL in Cyclohexane

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Crystalsexp.
Melting point
98.9 °Cexp.
Boiling point
390 to 393.9exp.
Solubility
Less than 1 mg/mL at 64 °Fexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
234.34 g/molcalc.
Exact mass
234.1409 Dacalc.
LogP (octanol/water)
5.42calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
3calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2c(c1)ccc1ccccc12

c1ccc2c(c1)ccc1ccccc12

3 rings, 14 atoms, the Phenanthrene ring system.

947 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Retene suppliers

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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

1 supplier in 1 country

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Retene price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Retene is traded under.

HS 2902.90Indicative HS code

Cyclic hydrocarbons, other

World exports in 2024
$612M
−6.1% vs 2023, imports $670M
2019 to 2024
Top exporters
  1. China28.0%
  2. Germany13.9%
  3. India * partner reported12.6%
Top importers
  1. Germany11.1%
  2. United States10.6%
  3. South Korea8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Retene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Retene, based on the data on this page

What is Retene?

Plates or scales (from ethanol) or pearly-beige small flakes. (NTP, 1992)

What is the CAS number of Retene?

The CAS registry number of Retene is 483-65-8.

What is the molecular formula and weight of Retene?

The molecular formula of Retene is C18H18 and its molar mass is 234.34 g/mol.

What is Retene used for?

Known uses and roles of Retene include building blocks in research and laboratory.

Is Retene hazardous?

Retene carries the GHS signal word "Warning". Main hazards: very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Retene?

Retene is usually classified under HS code 290290 (Cyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Retene?

CompoundList lists 1 supplier of Retene in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Retene?

Suppliers quote Retene on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Retene

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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