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Ethylene

Ethylene structure

CAS No:
74-85-1
Formula:
C2H4
Chemical Name:
Ethylene
Synonyms:
Ethene;Ethylene;Acetene;Bicarburetted hydrogen;Elayl;Olefiant gas;R 1150;218W050;Betafoam AFI-G 1;N 25;33060-30-9;87701-64-2;87701-65-3
Categories:
Organic Chemistry > Hydrocarbons and Derivatives

Description

colourless gas Ethylene, an alkene is a colorless gas (at room temperature). Sweet odor. Minimum detectable odor 5 260 ppm.

Ethylene Basic Attributes

Molecular Weight：

28.05

Exact Mass：

28.05

EC Number：

200-815-3

HScode：

29012100

Characteristics

PSA：

XLogP3：

1.13

Appearance：

Ethylene appears as a colorless gas with a sweet odor and taste. It is lighter than air. It is easily ignited and a flame can easily flash back to the source of the leak. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. Can cause explosion.

Density：

0.56737 g/cm³ @ Temp: -103.8 °C

Melting Point：

-169 °C

Boiling Point：

-102.4 °C @ Press: 700 Torr

Flash Point：

-100 °C

Refractive Index：

1.295

Water Solubility：

Solubility in water: none

Storage Conditions：

Protect containers against physical damage. Outdoor or detached storage is preferred. For indoor storage, use a fireproof, well-ventilated, area isolated from any sources of ignition.

Vapor Pressure：

35.04 atm ( 20 °C)

Vapor Density：

0.97 (vs air)

Toxicity：

Inhalation-mammal LCL0 950000 PPM/2 points

Flammability characteristics：

Flammable; spicy and irritating smoke is emitted from the fire; prevent burns

Explosive limit：

36%

Odor：

Sweet

Taste：

Tasteless

Safety Information

Hazard category：

2.1

Transport codes：

UN 1962 2.1

wgk germany：

hazard class code：

12-67

safety instructions：

9-16-33-46-45

RTECS Number：

KU5340000

Marks：

F+,F

Storage features：

Treasury is ventilated, low temperature and dry; stored separately from oxidant

Explosive characteristics：

Explosive when mixed with air

Stability/Shelf Life：

Stable. Highly flammable - note wide explosion limits. Incompatible with strong oxidizing agents. Readily forms explosive mixtures with air.

Precautionary statement(s)：

P210, P261, P271, P304+P340, P312, P377, P381, P403, P403+P233, P405, P501

Hazard Statements：

H220

Toxicity

Toxicity class：

practically nontoxic

Ethylene Use and Manufacturing

Methods of Manufacturing

Industrial ethylene production methods include petroleum hydrocarbon cracking, ethanol catalytic dehydration, and coke oven gas separation. Due to the abundant oil and natural gas resources, mass production of ethylene has low cost and good quality. Therefore, a large amount of ethylene is mainly produced by petroleum cracking. Ethanol catalytic dehydration is limited to occasions where a small amount of ethylene is provided for fine chemicals.

Uses

Oxyethylene welding and cutting metals; manufacture of alcohol, mustard gas, and many other organics.manufacture of ethylene oxide (for plastics), "Polythene", polystyrene and other plastics.Plant growth regulator; used commercially to accelerate the ripening of various fruits.

Computed Properties

Molecular Weight:28.05
XLogP3:1.2
Exact Mass:28.0313001276
Monoisotopic Mass:28.0313001276
Heavy Atom Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Downstream Products

1,2-Dichloroethane

Naphthalene

Price Analysis

Make your Ethylene purchase based on the price and market insights! ECHEMI provides professional market insights with prices for you to make a better choice. Learn more on Ethylene prices .

Data: 2026-10-21
Price: 9400.00Yuan/mt
Change: 0

Drug Function and Efficacy

Not explicitly mentioned

This ingredient has been used in drugs with the following functions (note: it does not mean that the ingredient itself has the following health functions)

Related Drugs

Dongrong brand Yise oral liquid
Specifications	10ml/vial

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Guide of Ethylene

Description
Basic Attributes
Characteristics
Safety Information
Toxicity
Use and Manufacturing
Computed Properties
Downstream Products
Price Analysis
Drug Function and Efficacy
Related Drugs
Recommended Suppliers
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