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Ethylene oxide

CAS 75-21-8
EC 603-023-00-X
LANGUAGE EN

Basic Product Information

Product Name
Ethylene oxide
Product Code
387614

Regulatory Identifiers

CAS Number

Chemical Abstracts Service registry number - unique identifier for chemical substances

EC Number
603-023-00-X Check regulations

European Community number - used for regulatory compliance in EU/EEA

Uses Information

Identified Uses
Laboratory chemicals, Synthesis of substances

Overview

Ethylene oxide (CAS: 75-21-8 ) is a form: liquefied gas substance commonly used laboratory chemicals, synthesis of substances.

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Hazard Identification

More about safety measures

Classification Status

Classified

Signal Word

danger (Danger)

Hazard Classifications

Flam. Gas Category 1 H220
Press. Gas H280
Acute Tox. Category 3 H331
Skin Irrit. Category 2 H315
Eye Irrit. Category 2A H319
Muta. Category 1B H340
Carc. Category 1B H350
STOT SE Category 3 H335
Aquatic Acute Category 3 H402
Aquatic Chronic Category 3 H412
GHS02 pictogramGHS04 pictogramGHS07 pictogramGHS06 pictogramGHS08 pictogram

Hazard Statements

  • H220: Extremely flammable gas.
  • H280: Contains gas under pressure; may explode if heated.
  • H315: Causes skin irritation.
  • H319: Causes serious eye irritation.
  • H331: Toxic if inhaled.
  • H335: May cause respiratory irritation.
  • H340: May cause genetic defects.
  • H350: May cause cancer.
  • H412: Harmful to aquatic life with long lasting effects.

Precautionary Statements

  • P201: Obtain special instructions before use.
  • P202: Do not handle until all safety precautions have been read and understood.
  • P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
  • P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
  • P264: Wash skin thoroughly after handling.
  • P271: Use only outdoors or in a well-ventilated area.
  • P273: Avoid release to the environment.
  • P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
  • P302+P352: IF ON SKIN: Wash with plenty of soap and water.
  • P304+P340+P311: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor.
  • P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P308+P313: IF exposed or concerned: Get medical advice/ attention.
  • P332+P313: If skin irritation occurs: Get medical advice/ attention.
  • P337+P313: If eye irritation persists: Get medical advice/ attention.
  • P362: Take off contaminated clothing and wash before reuse.
  • P377: Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
  • P381: Eliminate all ignition sources if safe to do so.
  • P403+P233: Store in a well-ventilated place. Keep container tightly closed.
  • P405: Store locked up.
  • P410+P403: Protect from sunlight. Store in a well-ventilated place.
  • P501: Dispose of contents/ container to an approved waste disposal plant.

Suppliers & Organizations

Sigma-Aldrich

manufacturer

📍

3050 Spruce Street SAINT LOUIS MO 63103 USA

🌍

US

📞

+1 800-325-5832

📠

+1 800-325-5052

Emergency Contacts

CHEMTREC

📞

+1-703-527-3887

🌍

US

Similar Substances

Physical & Chemical Properties

More about properties
Physical State
Liquefied gas
Physical State Data
liquid
State Under Standard Conditions
Not available
Appearance
Form: Liquefied gas
Colour
Not available
Colour Intensity
Not available
Form
Not available
Odor
No data available
Odor Threshold
No data available
Ph
7.0 at 20 °℃ (68 ºF)
Melting Point
- 111 °℃ (-168 ºF)
Boiling Point
10.7 °℃ (51.3 ºF)
Flash Point
-20.0 °℃ (-4.0 °F)
Freezing Point
Not available
Softening Point
Not available
Solidification Point
Not available
Cloud Point
Not available
Crystallisation Point
Not available
Evaporation Rate
No data available
Relative Evaporation Rate
Not available
Vapor Pressure
1,440 hPa (1,080 mmHg) at 20 °℃ (68 °F) 2,080 hPa (1,560 mmHg) at 30 ℃ (86 °F) 3,950 hPa (2,963 mmHg) at 50 ℃ (122 ºF)
Vapor Density
No data available
Relative Density
0.882 g/cm3 at 25 ℃ (77 ºF)
Bulk Density
Not available
Density
Not available
Flammability
No data available
Upper Explosive Limit
99.9 %(V)
Lower Explosive Limit
3 %(V)
Auto Ignition Temperature
429.0 °C (804.2 ºF)
Decomposition Temperature
No data available
Solubility
slightly soluble
Partition Coefficient
log Pow: 0.3
Solubility In Water
slightly soluble
Solubility In Fat
Not available
Kinematic Viscosity
Not available
Dynamic Viscosity
Not available
Surface Tension
Not available
Explosive Properties
No data available
Oxidizing Properties
No data available
Molecular Weight
Not available
Solid Content
Not available
Solvent Content
Not available
Gas Group
Not available
Relative Vapor Density
Not available
Dissociation Constant
Not available
Hydrolysis Rate
Not available
Concentration
Not available
Temperature
Not available
Particle Characteristics
Not available
Particle Size
Not available
Particle Size Distribution
Not available
Particle Shape
Not available
Particle Aspect Ratio
Not available
Particle Aggregation State
Not available
Particle Agglomeration State
Not available
Particle Specific Surface Area
Not available
Particle Dustiness
Not available
Voc Content
Not available
Voc Concentration
Not available
Voc Content Info
Not available
Metal Corrosion
Not available

Frequently Asked Questions

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What is the hazard signal word for Ethylene oxide?

The signal word for this substance is "danger".

What is the physical form of Ethylene oxide?

Ethylene oxide is a liquefied gas appearing as form: liquefied gas . It has no data available odor.

What is the solubility of Ethylene oxide?

slightly soluble

What is Ethylene oxide used for?

Laboratory chemicals, Synthesis of substances

What are the hazard statements for Ethylene oxide?

This substance has 9 hazard statements: H220: Extremely flammable gas. H280: Contains gas under pressure; may explode if heated. H315: Causes skin irritation. H319: Causes serious eye irritation. H331: Toxic if inhaled. H335: May cause respiratory irritation. H340: May cause genetic defects. H350: May cause cancer. H412: Harmful to aquatic life with long lasting effects.

What is the melting point of Ethylene oxide?

The melting point is - 111 °℃ (-168 ºF) and the boiling point is 10.7 °℃ (51.3 ºF).