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11-Bromoundecanoic acid

Description References
Product Name
11-Bromoundecanoic acid
CAS No.
2834-05-1
Chemical Name
11-Bromoundecanoic acid
Synonyms
11-bromo-undecanoicaci;11-Bromdecansure;2834/5/1 0:00:00;Bromoundecanoicacid;11-bromodecanoic acid;11-BROMOUNDECANOIC ACID;1-Bromoundecanoic Acid;11-BROMOHENDECANOIC ACID;Undecanoic acid, 11-bromo-;11-Bromo-1-Undecanoic Acid
CBNumber
CB8673668
Molecular Formula
C11H21BrO2
Formula Weight
265.19
MOL File
2834-05-1.mol
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11-Bromoundecanoic acid Property

Melting point:
45-48 °C (lit.)
Boiling point:
173-174 °C/2 mmHg (lit.)
Density 
1.2889 (rough estimate)
refractive index 
1.5120 (estimate)
Flash point:
>230 °F
storage temp. 
Sealed in dry,Room Temperature
form 
Crystalline Chunks
pka
4.78±0.10(Predicted)
color 
White to beige
Water Solubility 
insoluble
BRN 
1767205
Stability:
Stable. Incompatible with bases, oxidizing agents, reducing agents.
InChIKey
IUDGNRWYNOEIKF-UHFFFAOYSA-N
CAS DataBase Reference
2834-05-1(CAS DataBase Reference)
NIST Chemistry Reference
11-Bromoundecanoic acid(2834-05-1)
EPA Substance Registry System
11-Bromoundecanoic acid (2834-05-1)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
22-24/25-37/39-26
WGK Germany 
1
8
HS Code 
29159000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
165816
Product name
11-Bromoundecanoic acid
Purity
technical grade, 95%
Packaging
250g
Price
$206
Updated
2025/07/31
Sigma-Aldrich
Product number
165816
Product name
11-Bromoundecanoic acid
Purity
technical grade, 95%
Packaging
1kg
Price
$722
Updated
2023/06/20
TCI Chemical
Product number
B0389
Product name
11-Bromoundecanoic Acid
Purity
>97.0%(GC)(T)
Packaging
25g
Price
$44
Updated
2025/07/31
TCI Chemical
Product number
B0389
Product name
11-Bromoundecanoic Acid
Purity
>97.0%(GC)(T)
Packaging
100g
Price
$111
Updated
2025/07/31
Sigma-Aldrich
Product number
B82804
Product name
11-Bromoundecanoic acid
Purity
99%
Packaging
25g
Price
$56.7
Updated
2025/07/31
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11-Bromoundecanoic acid Chemical Properties,Usage,Production

Description

11-Bromoundecanoic acid is a bromo-modified undecanoic acid derivative. 11-Bromoundecanoic acid was used in the synthesis of 11-phenoxyundecyl phosphate and 11-hydroxytetradecanoic acid. It has been used as a reactant for the preparation of hydroxy-substituted naphthoquinone cations as antiplasmodial agents.

References

Navarro, I, G. Fabriás, and F. Camps. "Synthesis of [14, 14, 14-2H3] 12-hydroxytetradecanoic acid and [13,14-2H2] 11-hydroxytetradecanoic acid useful as tracers to study a (11E)-desaturation reaction in Spodoptera littoralis." Bioorganic & Medicinal Chemistry 4.3(1996):439-443.
https://www.trc-canada.com/product-detail/?B688880
http://www.sigmaaldrich.com/catalog/product/aldrich/165816?lang=en&region=US

Chemical Properties

faintly beige crystalline solid

Uses

11-Bromoundecanoic acid was used in the synthesis of 11-phenoxyundecyl phosphate and 11-hydroxytetradecanoic acid.

Definition

ChEBI: 11-bromo-undecanoic acid is a medium-chain fatty acid.

General Description

11-Bromoundecanoic acid reacts with potassium salt of dimethyl hydantoin to yield 4,4-dimethyl hydantoin-undecanoic acid.

Synthesis

112-38-9

2834-05-1

1 kg of 10-undecylenic acid having a melting point of 23° C. and a purity of more than 98.5% was used as the raw material, and it was mixed according to the ratio of the mass ratio of 10-undecylenic acid to toluene of 1:3. According to the ratio of the molar ratio of 10-undecylenic acid to hydrogen bromide of 1:1.20, hydrogen bromide gas was continuously passed through from the bottom of the charging tower, while feed liquid was continuously added to maintain the ratio. The reactor temperature was controlled at 18°C by cooling water and the reaction lasted for 1 hour. Upon completion of the reaction, toluene was recovered by distillation. The oil phase is washed 2-3 times and the system is cooled to 15?20°C to promote crystallization. After complete crystallization, vacuum filtration was performed to obtain 1.34 kg of white crystals 11-bromoundecanoic acid.

References

[1] Tetrahedron Letters, 2017, vol. 58, # 12, p. 1190 - 1193
[2] Journal of Organic Chemistry, 1980, vol. 45, # 23, p. 4785 - 4786
[3] Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1993, # 10, p. 1183 - 1190
[4] Bulletin of the Chemical Society of Japan, 1938, vol. 13, p. 334
[5] Journal of the Chemical Society, 1934, p. 439

11-Bromoundecanoic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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11-Bromoundecanoic acid Suppliers

SIGMA-RBI
Tel
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Fax
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Country
Switzerland
ProdList
6896
Advantage
91
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View Lastest Price from 11-Bromoundecanoic acid manufacturers

Shaanxi Dideu New Materials Co. Ltd
Product
11-Bromoundecanoic acid 2834-05-1
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98.0%
Supply Ability
10000KGS
Release date
2025-02-28
PNP Biotech Co. Ltd
Product
11-Bromoundecanoic acid 2834-05-1
Price
US $0.00/KG
Min. Order
25KG
Purity
≥95%
Supply Ability
Inquiry
Release date
2022-09-16
Baoji Guokang Healthchem co.,ltd
Product
11-Bromoundecanoic acid 2834-05-1
Price
US $158.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10tons
Release date
2021-06-07

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