ChemicalBook > CAS DataBase List > 1-UNDECENE

1-UNDECENE

Product Name: 1-UNDECENE
CAS No.: 821-95-4
Chemical Name: 1-UNDECENE
Synonyms: 1-UNDECENE;Undecene-1;α-Undecene;1-hendecene;Undec-1-ene;10-Undecene;n-1-Undecene;alpha-Undecene;1-UNDECENE 96%;1-UNDECENE 98+%
CBNumber: CB8337692
Molecular Formula: C11H22
Formula Weight: 154.29
MOL File: 821-95-4.mol

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1-UNDECENE Property

Melting point:: -49 °C (lit.)
Boiling point:: 192-193 °C (lit.)
Density: 0.75 g/mL at 25 °C (lit.)
refractive index: n20/D 1.426(lit.)
Flash point:: 145 °F
form: clear liquid
Specific Gravity: 0.750
color: Colorless to Light yellow
Odor: Mild, pleasant.
Water Solubility: Solunle in ether, chloroform and ligroin. Insoluble in water.
BRN: 1740044
Dielectric constant: 2.1699999999999999
LogP: 5.903 (est)
CAS DataBase Reference: 821-95-4(CAS DataBase Reference)
EPA Substance Registry System: 1-Undecene (821-95-4)

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Safety

Hazard Codes: Xn,F
Risk Statements: 20/22-36/37/38
Safety Statements: 26-36
WGK Germany: 3
TSCA: Yes
HS Code: 29012990
Hazardous Substances Data: 821-95-4(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 242527
Product name: 1-Undecene
Purity: 97%
Packaging: 25g
Price: $256.13
Updated: 2025/07/31

TCI Chemical

Product number: S0341
Product name: 1-Undecene [Standard Material for GC]
Purity: >99.5%(GC)
Packaging: 5mL
Price: $124
Updated: 2025/07/31

TCI Chemical

Product number: U0025
Product name: 1-Undecene
Purity: >93.0%(GC)
Packaging: 25mL
Price: $66
Updated: 2025/07/31

TCI Chemical

Product number: U0052
Product name: 1-Undecene
Purity: >98.0%(GC)
Packaging: 25mL
Price: $126
Updated: 2025/07/31

TCI Chemical

Product number: U0052
Product name: 1-Undecene
Purity: >98.0%(GC)
Packaging: 100mL
Price: $344
Updated: 2025/07/31

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1-UNDECENE Chemical Properties,Usage,Production

Uses

1-Undecene is a pharmaceutical intermediate and a useful reagent for organic synthesis.

Uses

1-undecene is an alkene that can be used as a reactant:

In the Pd-catalyzed aerobic oxidative amination reaction with nitrogen nucleophiles to produce useful amine analogs.
To prepare a key intermediate in the total synthesis of (+)-deoxoprosopinine.

Definition

ChEBI: An alkene that is undecane containing one double bond located at position 1.

Synthesis Reference(s)

Chemistry Letters, 7, p. 1155, 1978
The Journal of Organic Chemistry, 47, p. 876, 1982 DOI: 10.1021/jo00344a024
Tetrahedron, 49, p. 7104, 1993 DOI: 10.1016/S0040-4020(01)87982-5

General Description

1-undecene (or α-undecene) is an organic compound, which belongs to the class of unsaturated aliphatic hydrocarbons. It is a hydrophobic molecule found in the essential oil of Farfugium japonicum and some mushroom species.

Health Hazard

Recommended Personal Protective Equipment: Goggles or face shield; rubber gloves; Symptoms Following Exposure: Aspiration hazard if ingested. Slight skin and eye irritation. No inhalation hazard expected; General Treatment for Exposure: INHALATION: remove victim to fresh air. INGESTION: do NOT lavage or induce vomiting; give vegetable oil and demulcents; call a doctor. EYES: flush with water for 15 min. SKIN: wipe off, wash with soap and water; Toxicity by Inhalation (Threshold Limit Value): Data not available; Short-Term Exposure Limits: Data not available; Toxicity by Ingestion: Data not available; Late Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Slight smarting of eyes and respiratory system at high concentrations. The effect is temporary; Liquid or Solid Irritant Characteristics: Minimum hazard. If spilled on clothing and allowed to remain, may cause smarting and reddening of the skin; Odor Threshold: Data not available.

Chemical Reactivity

Reactivity with Water No reaction; Reactivity with Common Materials: No reactions; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

1-UNDECENE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1-UNDECENE manufacturers

Henan Fengda Chemical Co., Ltd

Product: 1-UNDECENE 821-95-4
Price: US $100.00-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2023-12-25

821-95-4, 1-UNDECENERelated Search:

3,7,11,15-TETRAMETHYL-2-HEXADECEN-1-OL Androsta-1,4-diene-3,17-dione BRASSIDIC ACID 10-UNDECENOYL CHLORIDE VITAMIN K1 TRANS-11-OCTADECENOIC ACID Adrenosterone Prednisone CORTISONE Cortisone acetate Ergosterol APOCHOLIC ACID 19-Norandrostenediol 16-methyl-20-oxopregna-5,16-dien-3-beta-yl acetate Dehydroepiandrosterone 19-HYDROXY-4-ANDROSTENE-3,17-DIONE 5-ANDROSTENEDIOL 2-UNDECENOIC ACID

alpha-nonylethylene

alpha-Undecene

alpha-undecylene

n-1-Undecene

Undec-1-ene

Undecene-1

1-UNDECENE

TIMTEC-BB SBB009051

1-UNDECENE, STANDARD FOR GC

1-hendecene

UREA, [14C]- 50-60 MCI(1.85-2.22 GBQ)/MMOL, MORPURE HPLC PURIFIED, DELIVERED >= 98% PURE WITH HPLC RADIOCHROMATOGRAM

1-UNDECENE [STANDARD MATERIAL] 99.5+%

1-UNDECENE 98+%

1-Undecene [Standard Material]

10-Undecene

1-UNDECENE, 97%1-UNDECENE, 97%1-UNDECENE, 97%1-UNDECENE, 97%

1-Undecene [Standard Material for GC]

1-UNDECENE 96%

1-Undecene&nbsp

1-Undecene[StandardMaterialforGC]&gt

1-UNDECENE ISO 9001：2015 REACH

n-Undecene, 97%

α-Undecene

1-Undecene in methanol

PF-07321332 Impurity 162

821-95-4

CH3CH28CHCH2

821954

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