CompoundList
Sign in
Synthetic aroma chemicals

2-Methylundecane

Also known as Undecane, 2-methyl-, Undecane, 2methyl, Isododecane

CAS 7045-71-8Formula C12H26Molar mass 170.34 g/molEC 230-323-4
GHS signal word: Danger. Pictograms: Flammable, Serious health hazard 14 suppliers listed
Get quotes Compare 14 suppliers
2-Methylundecane chemical structure, C12H26, CAS 7045-71-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7045-71-8
Formula
C12H26
Molar mass
170.34 g/mol
Physical form
Liquid
HS code
290110
Category
Synthetic aroma chemicals
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 2-Methylundecane?

Plain description, key identifiers and synonyms

2-methylundecane is an alkane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methylundecane
CAS number
7045-71-8 CAS number cross-checkedOther or deprecated CAS: 31807-55-3
EC numbers
230-323-4, 250-816-8
Molecular formula
C12H26
UNII
H40FL8477B
MDL number
MFCD00036106
INCI name
ISODODECANE
InChIKey
GTJOHISYCKPIMT-UHFFFAOYSA-N
InChI
InChI=1S/C12H26/c1-4-5-6-7-8-9-10-11-12(2)3/h12H,4-11H2,1-3H3
SMILES (canonical and isomeric)
CCCCCCCCCC(C)C

Synonyms

  • Undecane, 2-methyl-
  • Undecane, 2methyl
  • Isododecane
  • 2-Methylhendecane
  • isodo-decane
  • 2-Methyl undecane
  • 2 2 4 6 6-Pentamethylheptane

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
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
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
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H226Flammable liquid and vapour.
  • H304May be fatal if swallowed and enters airways.
Precautionary statements (14)
  • 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.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P331Do not induce vomiting.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

2-Methylundecane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 14 suppliers
14 of 14 offers

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

14 suppliers in 7 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

2-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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Use classes: Cosmetics.

Cosmetic ingredient, INCI name ISODODECANE(skin conditioning - emollient, solvent, perfuming)

Functional uses

  • Fragrance
  • Softener and conditioner
  • Solvent

Cosmetic functions

  • Perfuming
  • Skin conditioning - emollient
  • Solvent

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2-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 2-Methylundecane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Methylundecane, based on the data on this page

What is 2-Methylundecane?

2-methylundecane is an alkane.

What is the CAS number of 2-Methylundecane?

The CAS registry number of 2-Methylundecane is 7045-71-8. Other or deprecated CAS numbers: 31807-55-3.

What is the molecular formula and weight of 2-Methylundecane?

The molecular formula of 2-Methylundecane is C12H26 and its molar mass is 170.34 g/mol.

What is 2-Methylundecane used for?

Use classes: Cosmetics.

Is 2-Methylundecane hazardous?

2-Methylundecane carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, 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 2-Methylundecane?

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

Where can I buy 2-Methylundecane?

CompoundList lists 14 suppliers of 2-Methylundecane in China, India, Japan, United Kingdom and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 2-Methylundecane in India?

2 suppliers in India list 2-Methylundecane on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 2-Methylundecane?

Suppliers quote 2-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 2-Methylundecane

Get quotes for 2-Methylundecane

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell 2-Methylundecane
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of 2-Methylundecane with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/2-methylundecane-7045-71-8" title="2-Methylundecane structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Synthetic aroma chemicals or HS code 290110

14 suppliers
Free quotes, contact stays private
Get quotes