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Safety Data Sheet EN

Trichlorosilane

CAS 10025-78-2
EC 233-042-5

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Trichlorosilane
Product Code
14078
Chemical Name
trichlorosilane 014-001-00-9

Regulatory Identifiers

CAS Number
10025-78-2 Check regulations →
EC Number
233-042-5 Check regulations →

Identified Uses

SU24 Scientific research and development

Manufacturers & Suppliers

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc. logo

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.

manufacturer

30 Bond Street, Ward Hill, MA 01835-8099

800-343-0660

http://www.alfa.com

Emergency Contacts

Emergency Contact

800-343-0660

Monday-Friday, 8am-7pm EST

Carechem 24

866-928-0789

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Flam. Liq. Cat. 1 H224
Pyr. Liq. Cat. 1 H250
Skin Corr. Cat. 1A H314
Acute Tox. Cat. 4 H302
Acute Tox. Cat. 4 H332

GHS Pictograms

GHS02 - Flammable

GHS02

GHS07 - Health hazard

GHS07

GHS05 - Corrosive

GHS05

Hazard Statements

H224 Extremely flammable liquid and vapor.
H250 Catches fire spontaneously if exposed to air.
H302 Harmful if swallowed.
H314 Causes severe skin burns and eye damage.
H332 Harmful if inhaled.

Precautionary Statements

P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P303+P361+P353 If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338 If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P405 Store locked up.
P422 Store contents under inert gas.
P501 Dispose of contents/container in accordance with local/regional/national/international regulations.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance

Substances

Chemical Name CAS Number Concentration Hazardous
trichlorosilane 014-001-00-9 EC: 233-042-5 10025-78-2 --- No
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.

Symptoms: Harmful if inhaled.

Skin contact

Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.

Symptoms: Causes severe skin burns.

Eye contact

Rinse opened eye for several minutes under running water. Then consult a doctor.

Ingestion

Seek medical treatment.

Symptoms: Harmful if swallowed.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

The data for this section has not been processed yet.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

The data for this section has not been processed yet.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

The data for this section has not been processed yet.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.

Hands

Impervious gloves. Check protective gloves prior to each use for their proper condition. The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer. Material of gloves Fluorocarbon rubber (Viton). Penetration time of glove material (in minutes) 480. Glove thickness: 0.7 mm.

Eyes

Tightly sealed goggles. Full face protection. Safety glasses with side shields / NIOSH (US) or EN 166(EU).

Respiratory

Use suitable respirator when high concentrations are present. Recommended filter device for short term use: Use a respirator with multi-purpose combination (US) or type AXBEK (EN 14387) as a backup to engineering controls. Risk assessment should be performed to determine if air-purifying respirators are appropriate. Only use equipment tested and approved under appropriate government standards such as NIOSH (USA) or CEN (EU).

Skin/Body

Protective work clothing.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Physical State
Liquid
Physical State Data
liquid
State Under Standard Conditions
---
Appearance
Not determined
Colour
---
Colour Intensity
---
Form
Liquid
Odor
Not determined
Odor Threshold
Not determined.
Ph
Not determined.
Melting Point
-127 °℃ (-197 ºF)
Boiling Point
31-32 ℃ (88-90'ºF)
Flash Point
-28 ℃ (-18 °F)
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
Not determined.
Vapor Pressure
667 hPa (500 mm Hg)
Vapor Density
Not determined.
Relative Density
Not determined.
Bulk Density
---
Density
1.34 g/cm3 (11.182 lbs/gal)
Flammability
Not determined.
Upper Explosive Limit
Not determined
Lower Explosive Limit
6.9 Vol %
Explosive Limits
---
Auto Ignition Temperature
Spontaneously flammable in air.
Decomposition Temperature
Not determined
Solubility
Reacts violently
Partition Coefficient
Not determined.
Solubility In Water
Reacts violently
Solubility In Fat
---
Molecular Weight
---
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
Not determined.
Kinematic Viscosity
Not determined.
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

The data for this section has not been processed yet.

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
UN1295
Shipping Name
Trichlorosilane
Transport Class
4.3
Packing Group
I
ADR

Warning: Substances which, in contact with water, emit flammable gases

IMDG

Warning: Substances which, in contact with water, emit flammable gases

IATA

Warning: Substances which, in contact with water, emit flammable gases

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Trichlorosilane?

The signal word is danger.

What is the physical form of Trichlorosilane?

Trichlorosilane is a liquid appearing as not determined . It has not determined odor.

What is the solubility of Trichlorosilane?

Reacts violently

What is Trichlorosilane used for?

SU24 Scientific research and development

What are the hazard statements for Trichlorosilane?

This substance has 5 hazard statements:

  • H224: Extremely flammable liquid and vapor.
  • H250: Catches fire spontaneously if exposed to air.
  • H302: Harmful if swallowed.
  • H314: Causes severe skin burns and eye damage.
  • H332: Harmful if inhaled.

What is the melting point of Trichlorosilane?

The melting point is -127 °℃ (-197 ºF) and the boiling point is 31-32 ℃ (88-90'ºF).

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