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Cyclopentene 142-29-0

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CAS No.:

142-29-0

Grade:

Industrial Grade

Content:

98%

Port:

shanghai

Packaging:

according to the clients requirement

Price valid (until):

2023-12-27

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Dayang Chem (Hangzhou) Co.,Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol

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Product Description
Seller Information
Inquiry History

Description

Product Detail

as a leading manufacturer and supplier of chemicals in china, dayangchem not only supply popular chemicals, but also dayangchem's r&d center offer custom synthesis services. dayangchem can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years.

dayangchem exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, dayangchem is your best choice.

pls contact with us freely for getting detailed product specifications, product tech. date sheet, coa and msds, prices, delivery time and payment terms.

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dayang chem (hangzhou) co.limited, established in 2000, dedicated to the development, production and marketing of chemicals. we are a leading manufacturer and supplier of chemicals in china.

manufacturing base: the company has some manufacturing base in zhejiang, jiangsu and shandong provide. these bases focus on production and contract manufacturing.

strong quality control system: strength of our ethical commitment to quality control and quality assurance systems firmly based on iso standard. qa and qc used in the whole process of raw material control, process control and finished product quality inspection.

sales agent: dayangchem are authorized by many chinese chemical manufacturers as universal agency and international area agency. dayangchem has established very good cooperation and business relations with hundreds of chinese qualified manufacturers by long time business intercourse.

rich experience in sales: 1000 square meters of office space with independent property rights, sales team of nearly 40 people. our customers throughout the world, especially the world-renowned companies, such as bachem, basf, celanese, corden,dow,evonik, genzyme,henkel, merck,roche,sanofi,solvay.

flexible payment terms: various payment terms such as l/c,d/p,d/a and t/t will be accepted. special notice: dayangchem never require customers to remit payment to a personal account. beware of being cheated.

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Basic Info

Product Name:

Cyclopentene

Other Name:

Cyclopentene;NSC 5160;1-Cyclopentene;33004-05-6

CAS No.:

142-29-0

Molecular Formula:

C5H8

InChIKeys:

InChIKey=LPIQUOYDBNQMRZ-UHFFFAOYSA-N

Molecular Weight:

68.12

Exact Mass:

68.12

BRN:

635707

EC Number:

205-532-9

UNII:

ONM2CKV81Z

NSC Number:

5160

UN Number:

2246

DSSTox ID:

DTXSID6029171

HScode:

29021990

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

XLogP3:

2.33

Appearance:

Colorless Liquid

Density:

0.7754 g/cm³ @ Temp: 14 °C

Melting Point:

-135.1 °C

Boiling Point:

44.2 °C

Flash Point:

<−30 °F

Refractive Index:

n 20/D 1.421(lit.)

Water Solubility:

H2O: immiscible

Storage Conditions:

0-6°C

Vapor Pressure:

20.89 psi ( 55 °C)

Toxicity:

Oral-Rat LD50: 1656 mg/kg

Flammability characteristics:

Inflammable in case of open flame, high temperature, oxidant; burning produces irritating smoke

OH:

6.70e-11 cm3/molecule*sec

Air and Water Reactions:

Highly flammable. Insoluble in water.

Reactive Group:

Hydrocarbons, Aliphatic Unsaturated

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

CYCLOPENTENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.

Peroxide Forming Chemical:

Cyclopentene|B: Compounds that form peroxides on concentration (distillation/evaporation)|Clark

See More Cyclopentene Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 2

Acute toxicity - Category 4, Oral

Aspiration hazard, Category 1

Acute toxicity - Category 4, Dermal

Skin irritation, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H225 Highly flammable liquid and vapour H302 Harmful if swallowed H304 May be fatal if swallowed and enters airways H312 Harmful in contact with skin H315 Causes skin irritation
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P301+P316 IF SWALLOWED: Get emergency medical help immediately. P331 Do NOT induce vomiting. P302+P352 IF ON SKIN: Wash with plenty of water/... P317 Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P332+P317 If skin irritation occurs: Get medical help.
Storage	P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Cyclopentene Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol

Location:
RM901-7,Unit 2,259# WenSan Road, Xihu District, Hangzhou Zhejiang, China

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
2

Total Annual Revenue:
$10 million-$25 million

Total Employees:
11-50

Year of Establishment:
2020

Certifications:
Dangerous Chemicals Business License,Pesticide Business License,ISO 9001:2015

Company
Dayang chem (Hangzhou) Co., Ltd.,which headquartered in Hangzhou, China, is a high-tech enterprise specialized in technical research, production, development and trade of chemical products. Dayang chem (Hangzhou) Co., Ltd retained the whole sales, technical and after-sales team of Hangzhou Dayangchem Co., Ltd, which will serve our customers better.
DAYANG CHEM covers whole range from small amount (gram grade) for research to big bulk for industrial production. Synthesis capacity from 1 liter to 3000 liter is available.
business serve local customers and markets around the globeProfile

Company Profile
Dayangchem focus on:
-Organic compounds
-Active Pharmaceutical Ingredient(s)
-Nutritional products
-Custom synthesis
-Contract Manufacturing
We have following advantages:
Our laboratory---We have two laboratories in Zhejiang University and Zhejiang Industry University . These laboratories focus on Technology Development and Custom Synthesis,
Manufacturing base --- The company has Manufacturing bases in Zhejiang, Jiangsu and Shandong province. These bases focus on production and Contract Manufacturing.
Sales agent ---DAYANG CHEM are authorized by some Chinese chemical factories as universal agency and international area agency.
Good reputation---DAYANG CHEM has established very good cooperation and business relations with hundreds ofqualified manufacturers worldwide. Our products were exported to more than 100 countries

Inquiry History

1 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Cyclopentene	1 20' Fcl	May 28, 2025

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Cyclopentene 142-29-0

Product Description

Seller Information