1-Bromonaphthalene
- Product Name
- 1-Bromonaphthalene
- CAS No.
- 90-11-9
- Chemical Name
- 1-Bromonaphthalene
- Synonyms
- 1-Bromonaphtalene;1-Naphthyl bromide;α-bromonaphthalene;1-BromonaphthaL;I-Bromnaphthalin;1-Bromnaphthalin;1-Naphtyl bromide;1-BreMnaphthalene;1-naphthylbromide;-Bromonaphthalene
- CBNumber
- CB5197277
- Molecular Formula
- C10H7Br
- Formula Weight
- 207.07
- MOL File
- 90-11-9.mol
1-Bromonaphthalene Property
- Melting point:
- −2-−1 °C(lit.)
- Boiling point:
- 133-134 °C10 mm Hg(lit.)
- Density
- 1.48 g/mL at 20 °C(lit.)
- vapor pressure
- 0.013 hPa (20 °C)
- refractive index
- n20/D 1.6570(lit.)
- Flash point:
- >230 °F
- storage temp.
- Store below +30°C.
- solubility
- H2O: slightly soluble
- form
- Liquid
- color
- slightly yellow to deep brownish-yellow
- Water Solubility
- slightly soluble
- Merck
- 14,1425
- BRN
- 1906414
- Dielectric constant
- 5.1（19℃）
- InChIKey
- DLKQHBOKULLWDQ-UHFFFAOYSA-N
- LogP
- 4.06
- CAS DataBase Reference
- 90-11-9(CAS DataBase Reference)
- NIST Chemistry Reference
- Naphthalene, 1-bromo-(90-11-9)
- EPA Substance Registry System
- Naphthalene, 1-bromo- (90-11-9)
Safety
- Hazard Codes
- Xn,Xi
- Risk Statements
- 22-36-36/37/38-20/21/22
- Safety Statements
- 26-36
- RIDADR
- 2810
- WGK Germany
- 3
- RTECS
- QJ1545000
- F
- 8
- TSCA
- Yes
- HazardClass
- 6.1(b)
- PackingGroup
- III
- HS Code
- 29036990
- Toxicity
- LD50 orally in Rabbit: 810 mg/kg
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H319Causes serious eye irritation
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 8.06210
- Product name
- 1-Bromonaphthalene
- Purity
- for synthesis
- Packaging
- 100mL
- Price
- $70
- Updated
- 2024/03/01
- Product number
- 8.06210
- Product name
- 1-Bromonaphthalene
- Purity
- for synthesis
- Packaging
- 500mL
- Price
- $312
- Updated
- 2024/03/01
- Product number
- 8.06210
- Product name
- 1-Bromonaphthalene
- Purity
- for synthesis
- Packaging
- 2.5L
- Price
- $1400
- Updated
- 2024/03/01
- Product number
- 17640
- Product name
- 1-Bromonaphthalene
- Purity
- ≥95%
- Packaging
- 100ml
- Price
- $127
- Updated
- 2024/03/01
- Product number
- 17640
- Product name
- 1-Bromonaphthalene
- Purity
- ≥95%
- Packaging
- 500ml
- Price
- $371
- Updated
- 2024/03/01
1-Bromonaphthalene Chemical Properties,Usage,Production
Chemical Properties
Thick colorless yellow to yellow-brown liquid with a pungent odor. Insoluble in water, miscible with alcohol, ether, benzene and chloroform. 1-Bromonaphthalene is one of two isomeric bromonaphthalenes, the other being 2-bromonaphthalene.
Uses
1-Bromonaphthalene is used in organic synthesis and refractometry of fats. It is used in the preparation of N-aryl imidazoles and diaryl ethers. It is used to determine the refractive index of crystals and the water content of alcohols. It is utilized in the preparation of glutathione peroxidase-like antioxidant activity of diaryl diselenides. Further, it serves as a solvent for the exfoliation and dispersion of hexabenzocoronene. In addition to this, it is used as a refrigerant and a solvent molecular weight substance.
Preparation
1-Bromonaphthalene is synthesized by the reaction of naphthalene with bromine: C10H8+ Br2→ C10H7Br + HBr.
Reaction: add carbon tetrachloride and naphthalene in the reaction pot, stirring and heating, and slowly add bromine at 45℃. After adding, keep the reaction at 70-80℃ for 3-4h. distillation to recover carbon tetrachloride, wash the reaction product, distill under reduced pressure, wash again, filter, dry and get the finished product.
Application
1-Bromonaphthalene is a bromoarene that can be used in:
Palladium-catalyzed Suzuki–Miyaura coupling reaction with potassium aryltrifluoroborates without the use of phase-transfer catalysts or phosphine ligands.
The preparation of indeno annelated polycyclic aromatic hydrocarbons by reacting with o-bromobenzeneboronic acid and oligocyclic bromoarenes via Suzuki-Heck type coupling.
Ni catalyzed Kumada–Tamao–Corriu cross-coupling reaction with PhMgBr.
The preparation of arylnaphthalenes via palladium-catalyzed Suzuki-Miyaura cross-coupling reaction with aryl boronic acid.
Synthesis Reference(s)
Organic Syntheses, Coll. Vol. 1, p. 121, 1941
Tetrahedron, 64, p. 4999, 2008 DOI: 10.1016/j.tet.2008.03.085
General Description
The vibrational spectra of 1-bromonaphthalene has been studied.
Purification Methods
Purify 1-bromonaphthalene by passage through activated alumina, and three vacuum distillations. [Beilstein 5 H 547, 5 IV 1665.]
1-Bromonaphthalene Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 1-Bromonaphthalene manufacturers
- Product
- 1-Bromonaphthalene 90-11-9
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 99%+
- Supply Ability
- 1000000kg per Month
- Release date
- 2022-10-11
- Product
- 1-Bromonaphthalene 90-11-9
- Price
- US $15.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 200 tons/ year
- Release date
- 2020-03-11
- Product
- 1-Bromonaphthalene 90-11-9
- Price
- US $200.00-1.00/KG
- Min. Order
- 1KG
- Purity
- 99%, 99.5% Sublimated
- Supply Ability
- g-kg-tons, free sample is available
- Release date
- 2023-12-31