5-Methylthianaphthene
- Product Name
- 5-Methylthianaphthene
- CAS No.
- 14315-14-1
- Chemical Name
- 5-Methylthianaphthene
- Synonyms
- BUTTPARK 33\04-62;5-methylthianaphthene;5-METHYLBENZOTHIOPHENE;Benzothiophene, 5-mehyl;Trofinetide Impurity 13;5-METHYLBENZO[B]THIOPHENE;5-METHYL-1-BENZOTHIOPHENE;Benzo[b]thiophene, 5-methyl-;5-Methylbenzo[b]thiophene,98%;5-Methylbenzobüthiophene, 96%
- CBNumber
- CB1362475
- Molecular Formula
- C9H8S
- Formula Weight
- 148.22
- MOL File
- 14315-14-1.mol
5-Methylthianaphthene Property
- Melting point:
- 35-36 °C
- Boiling point:
- 71-73°C 0,6mm
- Density
- 1,111 g/cm3
- refractive index
- 1.6150 (estimate)
- Flash point:
- 71-73°C/0.6mm
- storage temp.
- 2-8°C
- form
- Low Melting Mass
- color
- White
- Water Solubility
- Insoluble in water.
- λmax
- 303nm(Hexane)(lit.)
- BRN
- 109866
- CAS DataBase Reference
- 14315-14-1(CAS DataBase Reference)
- NIST Chemistry Reference
- Benzo[b]thiophene, 5-methyl-(14315-14-1)
- EPA Substance Registry System
- 5-Methylbenzo[b]thiophene (14315-14-1)
Safety
- Hazard Codes
- Xn
- Risk Statements
- 36/37/38-22
- Safety Statements
- 36/37/39-26-22
- Hazard Note
- Harmful
- HS Code
- 29309090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H301Toxic if swalloed
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P321Specific treatment (see … on this label).
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- M2974
- Product name
- 5-Methylbenzo[b]thiophene
- Purity
- >98.0%(GC)
- Packaging
- 1g
- Price
- $115
- Updated
- 2025/07/31
- Product number
- M2974
- Product name
- 5-Methylbenzo[b]thiophene
- Purity
- >98.0%(GC)
- Packaging
- 5g
- Price
- $457
- Updated
- 2025/07/31
- Product number
- M512350
- Product name
- 5-Methylbenzo[b]thiophene
- Packaging
- 100mg
- Price
- $75
- Updated
- 2021/12/16
- Product number
- 085501
- Product name
- 5-Methylbenzo[b]thiophene
- Purity
- 98%
- Packaging
- 1g
- Price
- $62
- Updated
- 2021/12/16
- Product number
- 5H66-1-X4
- Product name
- 5-Methylbenzo[b]thiophene
- Packaging
- 1g
- Price
- $68
- Updated
- 2021/12/16
5-Methylthianaphthene Chemical Properties,Usage,Production
Chemical Properties
white low melting mass
Uses
5-Methylbenzo[b]thiophene is useful in substituted thiophene for proteomics research.
Synthesis
106-45-6
2032-35-1
14315-14-1
Step 1: 5.2 g of bromoacetaldehyde diethyl acetal was dissolved in 10 mL of tetrahydrofuran and slowly added dropwise to a mixture containing 4.00 g of 4-methylbenzenethiol, 1.4 g of 60% sodium hydride (dispersed in mineral oil) and 35 mL of tetrahydrofuran. The reaction mixture was stirred at room temperature for 15 hours. Upon completion of the reaction, the reaction was quenched by the addition of 10 mL of saturated aqueous ammonium chloride, followed by three extractions with tert-butyl methyl ether. The organic phases were combined, washed sequentially with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure to remove the solvent. Step 2: The above concentrated residue was added to a mixture of 5 g of phosphorus pentoxide and 10 g of phosphoric acid that had been preheated to 175°C and stirred for 45 minutes, and stirring was continued for 5 minutes. At the end of the reaction, the mixture was quenched by pouring it into ice water and extracted three times with tert-butyl methyl ether. The organic phases were combined, washed sequentially with water and saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure to remove the solvent. Step 3: The final residue was purified by silica gel column chromatography to give 2.77 g 5-methylbenzo[b]thiophene.
References
[1] Patent: US2015/282482, 2015, A1. Location in patent: Paragraph 2116; 2117
5-Methylthianaphthene Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 5-Methylthianaphthene manufacturers
- Product
- 5-Methylthianaphthene 14315-14-1
- Price
- US $1.00-1.00/KG
- Min. Order
- 1g
- Purity
- 99%
- Supply Ability
- 50tons
- Release date
- 2020-04-26