5-CHLORO-1-PENTENE
- Product Name
- 5-CHLORO-1-PENTENE
- CAS No.
- 928-50-7
- Chemical Name
- 5-CHLORO-1-PENTENE
- Synonyms
- 5-Chloropentene;5-CHLORO-1-PENTENE;4-Pentenyl chloride;5-chloro-pent-1-ene;1-Pentene, 5-chloro-
- CBNumber
- CB2436258
- Molecular Formula
- C5H9Cl
- Formula Weight
- 104.58
- MOL File
- 928-50-7.mol
5-CHLORO-1-PENTENE Property
- Boiling point:
- 104.85°C
- Density
- 0.9072
- refractive index
- 1.4275
- storage temp.
- 2-8°C
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
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.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
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
- 4167CC
- Product name
- 5-Chloro-1-pentene
- Packaging
- 1g
- Price
- $74
- Updated
- 2021/12/16
- Product number
- 4167CC
- Product name
- 5-Chloro-1-pentene
- Packaging
- 25g
- Price
- $227
- Updated
- 2021/12/16
5-CHLORO-1-PENTENE Chemical Properties,Usage,Production
Synthesis
821-09-0
928-50-7
General procedure for the synthesis of 5-chloro-1-pentene from 4-penten-1-ol: In a 2000 mL four-necked flask equipped with a mechanical stirrer, a dropping funnel, a reflux condenser tube, and a thermometer, 200 g (2.33 mol) of 4-penten-1-ol, 2 g of bismuth trioxide, and 700 g of pyridine were added sequentially. Stirring was turned on and the temperature of the reaction system was lowered to 0 °C using an ice-salt bath. Subsequently, 238 g (2 mol) of thionyl chloride was slowly added dropwise through a dropping funnel, with the rate of dropwise acceleration being controlled to maintain the reaction temperature at no more than 5 °C. After the dropwise addition, the ice-salt bath was withdrawn and the reaction system was allowed to warm up naturally to 10-30 °C and stirred continuously for 72 h in this temperature range. If the reaction temperature exceeds 30°C, it needs to be cooled down to below 30°C with an ice-salt bath. Upon completion of the reaction, the reaction mixture was filtered through a Brinell funnel and the filter cake (containing catalyst and pyridine hydrochloride) was collected. The filter cake was washed twice with 200 mL of acetone, the filtrate and washings were combined and poured into 1500 mL of distilled water, and the lower organic phase was separated after standing and layering. The organic phase was washed with water to neutral, followed by distillation under reduced pressure. Fractions with boiling points of 88-95 °C were collected under vacuum at 255 mmHg to give 1.99 g of colorless liquid product in 95.22% yield. The purity of the product was 98.27% by gas chromatography.
References
[1] Patent: CN105837396, 2016, A. Location in patent: Paragraph 0038; 0039
[2] Journal of Organic Chemistry, 1982, vol. 47, # 19, p. 3777 - 3779
[3] Journal of Organic Chemistry, 1980, vol. 45, # 18, p. 3578 - 3580
[4] Chemische Berichte, 1930, vol. 63, p. 1991
[5] Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1931, vol. 193, p. 599
5-CHLORO-1-PENTENE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 5-CHLORO-1-PENTENE manufacturers
- Product
- 5-CHLORO-1-PENTENE 928-50-7
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 1000KG
- Release date
- 2024-08-25
- Product
- 5-Chloro-1-pentene 928-50-7
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- Min98% HPLC
- Supply Ability
- g/kg/ton
- Release date
- 2020-02-05