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Si

Silicon powder, crystalline

CAS 7440-21-3
EC 231-130-8
LANGUAGE EN
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Product Identification

More information about Silicon powder, crystalline

Basic Product Information

Product Name
Silicon powder, crystalline
Product Code
00311

Regulatory Identifiers

CAS Number
7440-21-3 Check regulations

Chemical Abstracts Service registry number - unique identifier for chemical substances

EC Number
231-130-8 Check regulations

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

Uses Information

Identified Uses
SU24 Scientific research and development

Overview

Silicon powder, crystalline (CAS: 7440-21-3 ) is a various forms (powder/flake/crystalline/beads, etc.) substance commonly used su24 scientific research and development.

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Hazard Identification

More about safety measures

Classification Status

Classified

Signal Word

warning (Warning)

Hazard Classifications

Flam. Sol. Category 2 H228
GHS02 pictogram

Hazard Statements

  • H228: Flammable solid.

Precautionary Statements

  • P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
  • P280: Wear protective gloves/protective clothing/eye protection/face protection.
  • P240: Ground/bond container and receiving equipment.
  • P241: Use explosion-proof electrical/ventilating/lighting/equipment.
  • P312: Call a POISON CENTER/doctor/physician/if you feel unwell.
  • P370+P378: In case of fire: Use for extinction: CO2, sand, extinguishing powder.

Suppliers & Organizations

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc. Logo

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.

manufacturer

📍

30 Bond Street, Ward Hill, MA 01835-8099

🌍

US

📞

800-343-0660

📠

800-322-4757

✉️ [email protected]
🌐 http://www.alfa.com

Emergency Contacts

Alfa Aesar

📞

(800) 343-0660

🌍

US

🕒

Monday-Friday, 8am-7pm EST

Carechem 24

📞

(866) 928-0789

🌍

US

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No identifier available

Physical & Chemical Properties

More about properties
Physical State
Not available
Physical State Data
Not available
State Under Standard Conditions
Not available
Appearance
Various forms (powder/flake/crystalline/beads, etc.)
Colour
Not available
Colour Intensity
Not available
Form
Not available
Odor
Odorless
Odor Threshold
Not determined.
Ph
Not applicable.
Melting Point
1423 °C (2593 ºF)
Boiling Point
2355 ℃ (4271 ºF)
Flash Point
Not available
Freezing Point
Not available
Softening Point
Not available
Solidification Point
Not available
Cloud Point
Not available
Crystallisation Point
Not available
Evaporation Rate
Not applicable.
Relative Evaporation Rate
Not available
Vapor Pressure
Not applicable.
Vapor Density
Not applicable.
Relative Density
Not determined.
Bulk Density
Not available
Density
2.33 g/cm3 (19.444 lbs/gal)
Flammability
Highly flammable.
Upper Explosive Limit
Not determined
Lower Explosive Limit
Not determined
Auto Ignition Temperature
Not determined.
Decomposition Temperature
Not determined.
Solubility
Not available
Partition Coefficient
Not determined.
Solubility In Water
Insoluble
Solubility In Fat
Not available
Kinematic Viscosity
Not applicable.
Dynamic Viscosity
Not applicable.
Surface Tension
Not available
Explosive Properties
Not available
Oxidizing Properties
Not 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

View full documentation

What is the hazard signal word for Silicon powder, crystalline?

The signal word for this substance is "warning".

What is Silicon powder, crystalline used for?

SU24 Scientific research and development

What are the hazard statements for Silicon powder, crystalline?

This substance has 1 hazard statements: H228: Flammable solid.

What is the melting point of Silicon powder, crystalline?

The melting point is 1423 °C (2593 ºF) and the boiling point is 2355 ℃ (4271 ºF).