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Paraffins, waxes and cycloalkanes

3,3-Diethylpentane

Also known as Pentane, 3,3-diethyl-, Tetraethylmethane, Pentane,3-diethyl-

CAS 1067-20-5Formula C9H20Molar mass 128.26 g/molEC 622-538-0
GHS signal word: Danger. Pictograms: Flammable
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3,3-Diethylpentane chemical structure, C9H20, CAS 1067-20-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1067-20-5
Formula
C9H20
Molar mass
128.26 g/mol
Physical form
Liquid
HS code
290110
Category
Paraffins, waxes and cycloalkanes
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is 3,3-Diethylpentane?

Plain description, key identifiers and synonyms

3,3-Diethylpentane is a chemical substance with the molecular formula C9H20 and a molar mass of 128.26 g/mol. Its CAS registry number is 1067-20-5.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,3-diethylpentane
CAS number
1067-20-5 CAS number cross-checked
EC number
622-538-0
Molecular formula
C9H20
UNII
K2SWY952L9
InChIKey
BGXXXYLRPIRDHJ-UHFFFAOYSA-N
InChI
InChI=1S/C9H20/c1-5-9(6-2,7-3)8-4/h5-8H2,1-4H3
SMILES (canonical and isomeric)
CCC(CC)(CC)CC

Synonyms

  • Pentane, 3,3-diethyl-
  • Tetraethylmethane
  • Pentane,3-diethyl-
  • 3,3-diethyl pentane
  • 3,3-diethyl-pentane

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
Liquidexp.

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
128.26 g/molcalc.
Exact mass
128.1565 Dacalc.
LogP (octanol/water)
3.61calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
4calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H226Flammable liquid and vapour.
Precautionary statements (11)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

3,3-Diethylpentane suppliers

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3,3-Diethylpentane price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 3,3-Diethylpentane is traded under.

HS 2901.10Indicative HS code

Saturated

World exports in 2024
$8.47B
+23.9% vs 2023, imports $7.66B
2019 to 2024
Top exporters
  1. United States79.8%
  2. Canada10.1%
  3. Germany1.4%
Top importers
  1. China34.6%
  2. United States12.2%
  3. Sweden5.0%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 3,3-Diethylpentane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3,3-Diethylpentane, based on the data on this page

What is 3,3-Diethylpentane?

3,3-Diethylpentane is a chemical substance with the molecular formula C9H20 and a molar mass of 128.26 g/mol. Its CAS registry number is 1067-20-5.

What is the CAS number of 3,3-Diethylpentane?

The CAS registry number of 3,3-Diethylpentane is 1067-20-5.

What is the molecular formula and weight of 3,3-Diethylpentane?

The molecular formula of 3,3-Diethylpentane is C9H20 and its molar mass is 128.26 g/mol.

Is 3,3-Diethylpentane hazardous?

3,3-Diethylpentane carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, flammable liquid and vapour. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 3,3-Diethylpentane?

3,3-Diethylpentane is usually classified under HS code 290110 (Saturated). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 3,3-Diethylpentane?

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What is the price of 3,3-Diethylpentane?

Suppliers quote 3,3-Diethylpentane 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 3,3-Diethylpentane

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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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