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Cyclooctene purity 95% high quality hly57

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Unit Price:

$1/MT FOB

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CAS No.:

931-88-4

Grade:

Industrial Grade

Content:

95%

Port:

qingdao

Brand:

HLY

Packaging:

200 kg/steel drum

Price valid (until):

2026-12-08

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Suqian City Hengliyuan Import and Export Trade Co., LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

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Product Description
Seller Information

Description

Company Profile ----------
Suqian City Hengliyuan Import and Export Trade Co., LTD is a trading company. The company has introduced advanced scientific and technological achievements from home and abroad, and has superior products from well-known manufacturers at home and abroad. The basic functions are:
1. Domestic trade of various chemical raw materials;
2. Providing price information services and chemical raw material procurement for industrial enterprises;
3. Cooperating with Chinese state-owned enterprise factories, the price and quality are very advantageous.
At present, the company is relying on the combination of industry and trade and global procurement to steadily improve the company's value-added ability and compound competitiveness. We have always been committed to producing high-quality and low-cost goods, so we have been sincerely recognized by many customers. Our goal is to produce the best products and satisfy every customer with professional services and attitudes. We look forward to cooperating with you and establishing a win-win relationship with you. Please rest assured that we will definitely satisfy you.

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----------packaging and delivery ----------

----------Our Advantages---------
High quality with competitive price
1) Standard:BP/USP/EP/Enterprise standard
2) All Purity≥99%
3) We can provide high quality products with factory price
2. Fast delivery
1) Fast shipment.Various transportation methods for your choice.
2) We have our own agent/remailer/distributor who can help us ship our products very fast , and we have stock in the ir for transferring.
3. Good communication and credit
1) Fast response to customer within 5 hours
2) Good business credit in Europe, US, Japan, Korea, Af r ica and so on.

Pls input...

Items	Specifications

cis-Cyclooctene CAS 931-88-4 Full Export Specification

1. Basic Chemical Identification

IUPAC Name: (Z)-Cyclooctene / Cyclooctene
Aliases: cis-Cyclooctene,
CAS No.: 931-88-4
EINECS: 213-245-5
MDL No.: MFCD00004598
Molecular Formula: $\boldsymbol{C_8H_{14}}$
Molecular Weight: 110.20
SMILES: C1CCC/C=C\CC1
HS Code: 2902199090
UN Number: UN 3295
IMDG Hazard Class: Class 3 Flammable Liquid, Packing Group III
Signal Word: Warning
Stabilizer: tert-Butylcatechol (added to prevent polymerization)

2. Physical & Chemical Properties

Appearance: Colorless transparent oily liquid, mild aliphatic olefin odor
Melting Point: −16 ℃
Boiling Point: 144–146 ℃ (760 mmHg); 32–34 ℃ @12 mmHg vacuumTokyo Chem...
Density (20 ℃): 0.846–0.848 g/mL
Refractive Index n₂₀ᴰ: 1.4700
Closed-cup Flash Point: 25 ℃ (77 ℉)
Autoignition Temperature: 280 ℃
Vapor Pressure: 8 mbar @20 ℃; vapor heavier than air, accumulates low areas
Solubility: Insoluble in water; fully miscible with ethanol, acetone, toluene, ethers, alkanes and all organic solvents
Stability:
- Sensitive to heat, light and air; easy self-polymerization without antioxidant stabilizer
- Reacts violently with strong oxidants (permanganate, peroxide); undergoes addition, epoxidation, ring-opening metathesis polymerization (ROMP)
- Incompatible with peroxides, concentrated strong acids, metal catalysts without stabilizer
Core Hazards
- Flammable cyclic olefin liquid, fire risk under open flame, high temperature and static spark
- Mild irritant to skin, eyes and respiratory tract
- High-concentration vapor causes headache, dizziness, lethargy
- WGK Germany 3: Highly harmful to aquatic organisms, long-term environmental hazard

3. Standard COA Technical Specifications

Industrial Polymer Grade ≥95.0% (Main Bulk Export Grade)

Test Item	Standard Specification
Cyclooctene Purity (GC)	≥95.0 wt%
Cyclooctane / Cyclooctadiene impurity total	≤4.00%
Moisture Content	≤0.05%
Color (APHA)	≤10 water-white clear
Stabilizer (TBC) content	50–150 ppm
Evaporation Residue	≤0.001%
Heavy Metals (Pb)	≤5 ppm

High-Purity Electronic/Reagent Grade ≥99.0%

Ultra-low diene/saturated alkane impurities, controlled stabilizer dosage; for ROMP polymer lab synthesis, chromatographic reference standard

4. Main Industrial Applications

1. Ring-Opening Metathesis Polymerization (ROMP) Monomer (Largest Consumption)

Core raw material for manufacturing polycyclooctene elastomer (Vestenamer rubber); high toughness, low-temperature resistant rubber used for tire sidewalls, conveyor belts, shock-absorbing parts, plastic toughening modifier

2. Fine Chemical & Pharmaceutical Intermediate

Epoxidation to produce cyclooctene oxide; further synthesized into long-chain diols, lactams, heterocyclic drug intermediates via ring-opening addition

3. Agrochemical & Fragrance Intermediate

Raw material for long-chain aliphatic ester flavor monomers, pesticide emulsifier intermediates via hydroformylation and hydrogenation

4. Laboratory Synthetic Reagent

Classic cyclic olefin substrate for olefin epoxidation, metathesis, hydrogenation, addition reaction research; GC non-polar standard sample

5. Export Packaging & Storage Transportation

Standard Packing Options

Industrial bulk: 200L anti-static carbon steel drum, nitrogen-blanketed sealed cap with stabilizer inside, net weight ~169kg/drum
1000L anti-static HDPE IBC tank for factory continuous feeding
Lab small packing: 1L / 2.5L amber glass bottle with nitrogen sealing and antioxidant protection

All pallets fixed with anti-vibration straps, fully wrapped waterproof light-shield composite film; transit temperature strictly controlled ≤25 ℃, avoid sunlight and high temperature

Storage Mandatory Rules

Warehouse: Cool, ventilated Class3 flammable chemical warehouse, humidity <70%
Fully sealed nitrogen storage to prevent light-induced polymerization and volatilization loss
Strict segregate from oxidants, peroxides, strong acids, metal catalyst powders, food raw materials
Equipped with explosion-proof exhaust, flammable vapor concentration alarm, CO₂ & dry sand fire suppression system

Ocean Transport Rules

UN3295 Class3 Flammable Liquid PG III; mixed loading with oxidants, edible goods prohibited; full set of dangerous goods export documents required for global customs clearance

6. GHS Full Hazard Statements & Mandatory PPE

Hazard Statements

H226: Flammable liquid and vapor
H315: Causes skin irritation
H319: Causes serious eye irritation
H336: May cause drowsiness or dizziness
H412: Harmful to aquatic life with long-lasting toxicity

Mandatory PPE

Half-face respirator with aliphatic hydrocarbon vapor filter cartridge
Double protection: fully sealed chemical safety goggles + full anti-splash face shield
Nitrile solvent-resistant impermeable gloves
Anti-static flame-retardant work coveralls + chemical resistant rubber boots
Local negative-pressure explosion-proof exhaust fume hood for sampling, pumping and feeding operations

Spill & First Aid Emergency Treatment

Spill disposal: Cut all ignition sources and static sparks; build sand barriers to contain liquid, absorb leakage with dry inert sand; collect waste into airtight steel hazardous barrels; do not flush with large amounts of water
Skin contact: Remove contaminated clothes instantly, flush skin with soap and running water ≥15 minutes
Eye contact: Irrigate eyes continuously with clean running water minimum 15 minutes, seek ophthalmic treatment if irritation persists
Inhalation: Move victim to fresh air, supply oxygen for dizziness and lethargy
Ingestion: Do NOT induce vomiting; drink plenty of clean water/milk and deliver to hospital with SDS document

7. Foreign Trade Selling Advantages

Two grades available: industrial polycyclooctene rubber bulk grade & high-purity lab reagent grade, controlled TBC stabilizer to avoid interference with downstream ROMP polymerization
Nitrogen-sealed light-proof steel drum/IBC packaging, no self-polymerization during long cross-ocean transit
Complete Class3 flammable dangerous goods export document set (COA, English SDS, UN packaging certificate, IMDG maritime declaration, certificate of origin, impurity inspection report)
Flexible supply: trial drums, IBC tanks, full FCL bulk shipments
Unique ring-opening polymerization reactivity, long-term supplier for rubber elastomer, fine chemical and laboratory reagent manufacturers worldwide

8. Full Set Export Supporting Documents

Batch Certificate of Analysis (COA)
English SDS Safety Data Sheet
Dangerous Goods Packaging Qualification Certificate (UN3295)
IMDG Maritime Dangerous Goods Declaration File
Certificate of Origin
Impurity & stabilizer content inspection report

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Certificates

Basic Info

Product Name:

Cyclooctene

Other Name:

Cyclooctene;NSC 72425

CAS No.:

931-88-4

Molecular Formula:

C8H14

InChIKeys:

InChIKey=URYYVOIYTNXXBN-UHFFFAOYSA-N

Molecular Weight:

110.2

Exact Mass:

110.20

EC Number:

213-245-5

Categories:

Free Radicals

Characteristics

XLogP3:

2.89680

Appearance:

Liquid

Density:

0.8519 g/cm³ @ Temp: 15 °C

Melting Point:

219 °C

Boiling Point:

85.5 °C

Flash Point:

77 °F

Refractive Index:

n20/D 1.470

See More Cyclooctene Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 3

Aspiration hazard, Category 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H226 Flammable liquid and vapour H304 May be fatal if swallowed and enters airways
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/...
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+P316 IF SWALLOWED: Get emergency medical help immediately. P331 Do NOT induce vomiting.
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 Cyclooctene Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

Location:
Shop No.15, 1st Floor, Building 12, Hengda Huafu, Sucheng District, Suqian City

Payment Terms:
TT against B/L draft before shipment,100% TT in advance

Average lead Time:
30

Total Annual Revenue:
Less than $1 million

Total Employees:
5-10

Year of Establishment:
2022
Company Overview

Suqian Hengliyuan Import and Export Corporation, Ltd. is a leading enterprise specializing in the international trade of chemical products. Established in Suqian, Jiangsu Province, China, our company has built a strong reputation for excellence and reliability in the chemical industry.

Our Mission

Our mission is to facilitate global trade by providing high-quality chemical products and exceptional service to our clients. We aim to be a bridge between manufacturers and end-users, ensuring the safe and efficient transfer of chemicals across borders.

Products and Services

We offer a comprehensive range of chemical products, including but not limited to:

Industrial Chemicals: Raw materials for various industries such as pharmaceuticals, agriculture, and manufacturing.

Specialty Chemicals: High-performance chemicals used in specific applications, including water treatment, coatings, and adhesives.

Bulk Chemicals: Large-volume chemicals for industrial processes and manufacturing needs.

Quality Assurance

At Suqian Hengliyuan Import and Export Corporation, Ltd., quality is our top priority. We adhere to stringent quality control measures and international standards to ensure that our products meet the highest levels of purity and performance. Our dedicated quality assurance team conducts rigorous inspections and testing to guarantee the integrity and safety of all our chemical products.

Global Network

Leveraging our extensive network of suppliers and partners, we are able to source and deliver a wide array of chemical products to clients worldwide. Our strategic partnerships and logistical expertise enable us to offer competitive pricing, timely delivery, and customized solutions to meet the diverse needs of our clients.

Commitment to Sustainability

We are committed to sustainable business practices and environmental stewardship. Our operations are designed to minimize environmental impact, and we continuously seek ways to improve our processes and reduce our carbon footprint. We work closely with our suppliers and customers to promote the responsible use and disposal of chemicals.

Customer Focus

Our clients are at the heart of everything we do. We pride ourselves on providing personalized service and building long-term relationships based on trust and mutual benefit. Our experienced team of professionals is dedicated to understanding our clients' needs and delivering solutions that exceed their expectations.
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