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Paraffins, waxes and cycloalkanes

3-Methylundecane

Also known as Undecane, 3-methyl-, 2-Ethyl-decane, Undecane, 3methyl

CAS 1002-43-3Formula C12H26Molar mass 170.34 g/molEC 678-596-2
GHS signal word: Danger. Pictograms: Serious health hazard 1 supplier listed
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3-Methylundecane chemical structure, C12H26, CAS 1002-43-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1002-43-3
Formula
C12H26
Molar mass
170.34 g/mol
EC number
678-596-2
HS code
290110
Category
Paraffins, waxes and cycloalkanes

What is 3-Methylundecane?

Plain description, key identifiers and synonyms

3-Methylundecane is a chemical substance with the molecular formula C12H26 and a molar mass of 170.34 g/mol. Its CAS registry number is 1002-43-3.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-methylundecane
CAS number
1002-43-3 CAS number cross-checked
EC number
678-596-2
Molecular formula
C12H26
InChIKey
HTZWVZNRDDOFEI-UHFFFAOYSA-N
InChI
InChI=1S/C12H26/c1-4-6-7-8-9-10-11-12(3)5-2/h12H,4-11H2,1-3H3
SMILES (canonical and isomeric)
CCCCCCCCC(C)CC

Synonyms

  • Undecane, 3-methyl-
  • 2-Ethyl-decane
  • Undecane, 3methyl
  • 1-Butyl-3-ethylimidazolium 1,1,2,2-tetrafluoroethanesulfonate, >98%
  • Nonane, ethylmethyl-

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
170.34 g/molcalc.
Exact mass
170.2035 Dacalc.
LogP (octanol/water)
4.78calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
8calc.
Heavy atoms
12calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
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
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H304May be fatal if swallowed and enters airways.
Precautionary statements (4)
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P331Do not induce vomiting.
  • P405Store locked up.
  • 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-Methylundecane 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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3-Methylundecane 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

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-Methylundecane 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-Methylundecane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is 3-Methylundecane?

3-Methylundecane is a chemical substance with the molecular formula C12H26 and a molar mass of 170.34 g/mol. Its CAS registry number is 1002-43-3.

What is the CAS number of 3-Methylundecane?

The CAS registry number of 3-Methylundecane is 1002-43-3.

What is the molecular formula and weight of 3-Methylundecane?

The molecular formula of 3-Methylundecane is C12H26 and its molar mass is 170.34 g/mol.

Is 3-Methylundecane hazardous?

3-Methylundecane carries the GHS signal word "Danger". Main hazards: may be fatal if swallowed and enters airways. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 3-Methylundecane?

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

Where can I buy 3-Methylundecane?

CompoundList lists 1 supplier of 3-Methylundecane 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 3-Methylundecane?

Suppliers quote 3-Methylundecane 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-Methylundecane

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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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