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Sulfur trioxide

CAS 7446-11-9
EC N/A
LANGUAGE EN
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Product Identification

More information about Sulfur trioxide

Basic Product Information

Product Name
Sulfur trioxide
Product Code
227692

Regulatory Identifiers

CAS Number
7446-11-9 Check regulations

Chemical Abstracts Service registry number - unique identifier for chemical substances

Uses Information

Identified Uses
Laboratory chemicals, Synthesis of substances

Overview

Sulfur trioxide (CAS: 7446-11-9 ) is a no data available 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

Skin Corr. Category 1A H314
Eye Dam. Category 1 H318
STOT SE Category 3 H335
GHS05 pictogramGHS07 pictogram

Hazard Statements

  • H314: Causes severe skin burns and eye damage.
  • H318: Causes serious eye damage.
  • H335: May cause respiratory irritation.

Precautionary Statements

  • 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.
  • P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
  • P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
  • P303 + P361 + P353: IF ON SKIN (or hair): Remove/ Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P304 + P340 + P310: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/ physician.
  • P305 + P351 + P338 + P310: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
  • P363: Wash contaminated clothing before reuse.
  • P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
  • P405: Store locked up.
  • P501: Dispose of contents/ container to an approved waste disposal plant.

Suppliers & Organizations

Sigma-Aldrich

supplier

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3050 Spruce Street SAINT LOUIS MO 63103 USA

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US

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+1 800-325-5832

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+1 800-325-5052

Emergency Contacts

CHEMTREC

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+1-703-527-3887

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US

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Physical & Chemical Properties

More about properties
Physical State
liquid
Physical State Data
liquid
State Under Standard Conditions
Not available
Appearance
No data available
Colour
Not available
Colour Intensity
Not available
Form
liquid
Odor
No data available
Odor Threshold
No data available
Ph
No data available
Melting Point
16.8 ℃ (62.2 ºF)
Boiling Point
44.7 ℃ (112.5 ºF)
Flash Point
No data available
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
680 hPa (510 mmHg) at 37.7 ℃ (99.9 ºF), 373 hPa (280 mmHg) at 25 ℃ (77 °F)
Vapor Density
2.76 - (Air = 1.0)
Relative Density
1.97 g/mL at 25 °℃ (77 ºF)
Bulk Density
Not available
Density
Not available
Flammability
No data available
Upper Explosive Limit
No data available
Lower Explosive Limit
No data available
Auto Ignition Temperature
No data available
Decomposition Temperature
No data available
Solubility
No data available
Partition Coefficient
No data available
Solubility In Water
No data available
Solubility In Fat
Not available
Kinematic Viscosity
Not available
Dynamic Viscosity
No data available
Surface Tension
Not available
Explosive Properties
No data available
Oxidizing Properties
The substance or mixture is not classified as oxidizing.
Molecular Weight
Not available
Solid Content
Not available
Solvent Content
Not available
Gas Group
Not available
Relative Vapor Density
2.76 - (Air = 1.0)
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 Sulfur trioxide?

The signal word for this substance is "danger".

What is the physical form of Sulfur trioxide?

Sulfur trioxide is a liquid appearing as no data available . It has no data available odor.

What is the solubility of Sulfur trioxide?

No data available

What is Sulfur trioxide used for?

Laboratory chemicals, Synthesis of substances

What are the hazard statements for Sulfur trioxide?

This substance has 3 hazard statements: H314: Causes severe skin burns and eye damage. H318: Causes serious eye damage. H335: May cause respiratory irritation.

What is the melting point of Sulfur trioxide?

The melting point is 16.8 ℃ (62.2 ºF) and the boiling point is 44.7 ℃ (112.5 ºF).