Raw Chemical Cyclopentene Cyclopentene in large stock with high purity
TDS 1 Inquiries
142-29-0
Pharmaceutical Grade
99.5%
qingdao
SCH
as require
2026-08-08
Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate
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Product Description
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Seller Information
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Inquiry History
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DescriptionCertificatesBasic Info
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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:
Characteristics-
PSA:
0
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
Hazard IdentificationClassification 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
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
Precautionary statement(s) 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 StoragePrecautions 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.
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Seller Information
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Business Type:
Trader
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Main Products:
Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate
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Location:
Shop No.15, 1st Floor, Building 12, Hengda Huafu, Sucheng District, Suqian City
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Payment Terms:
TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
30
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Total Annual Revenue:
Less than $1 million
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Total Employees:
5-10
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Year of Establishment:
2022
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
India
Cyclopentene
1 20' Fcl May 28, 2025 Post an enquiry for this product
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