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Safety Data Sheet EN

Tetramethoxysilane

CAS 681-84-5
EC 211-656-4

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Tetramethoxysilane
Product Code
14083
Chemical Name
Tetramethoxysilane

Regulatory Identifiers

CAS Number
681-84-5 Check regulations →
EC Number
211-656-4 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

http://www.alfa.com

Emergency Contacts

Alfa Aesar / Thermo Fisher Scientific Chemicals, Inc.

(800) 343-0660

Monday-Friday, 8am-7pm EST

Carechem 24

(866) 928-0789

After normal business hours

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Flam. Liq. Cat. 3 H226
Acute Tox. Cat. 1 H330
Eye Dam. Cat. 1 H318
Skin Irrit. Cat. 2 H315
STOT SE Cat. 3 H335

GHS Pictograms

GHS02 - Flammable

GHS02

GHS05 - Corrosive

GHS05

GHS06 - Acute toxicity

GHS06

GHS07 - Health hazard

GHS07

Hazard Statements

H226 Flammable liquid and vapour.
H315 Causes skin irritation.
H318 Causes serious eye damage.
H330 Fatal if inhaled.
H335 May cause respiratory irritation.

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.
P320 Specific treatment is urgent (see on this label).
P405 Store locked up.
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
Tetramethoxysilane EC: 211-656-4 681-84-5 --- 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.

Skin contact

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

Eye contact

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

Ingestion

Seek medical treatment.

Immediate Medical Attention

Seek immediate medical advice.

Medical Treatment

Seek medical treatment.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Use carbon dioxide, extinguishing powder or foam. Water may be ineffective but may be used for cooling exposed containers.

Specific hazards

If this product is involved in a fire, the following can be released: Carbon monoxide and carbon dioxide, Silicon oxide

Firefighter Protection

Wear self-contained respirator. Wear fully protective impervious suit.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Wear protective equipment. Keep unprotected persons away.

Environmental

Do not allow material to be released to the environment without proper governmental permits.

Cleanup methods

Absorb with liquid-binding material

Materials: sand, diatomite, acid binders, universal binders, sawdust

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Handle under dry protective gas. Keep container tightly sealed. Open and handle container with care. Prevent formation of aerosols.

Storage

Store in cool, dry place in tightly closed containers. Store under dry inert gas. Protect from humidity and water.

Fire prevention

Protect against electrostatic charges. Keep ignition sources away.

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. Penetration time of glove material (in minutes) Not determined

Eyes

Tightly sealed goggles

Respiratory

Use self-contained respiratory protective device in emergency situations.

Skin/Body

Protective work clothing.

09

Physical and Chemical Properties

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

Ph
Not determined.
Relative Evaporation Rate
---
Partition Coefficient
Not determined.
Appearance
Liquid
Cloud Point
---
Evaporation Rate
Not determined
Auto Ignition Temperature
Not determined
Bulk Density
---
Form
Liquid
Solubility In Fat
---
Softening Point
---
Flash Point
26 °C (79 °F)
State Under Standard Conditions
---
Melting Point
4-5 °C (39-41 °F)
Odor Threshold
Not determined.
Lower Explosive Limit
Not determined
Physical State
Liquid
Vapor Pressure
Not determined
Properties Status
---
Kinematic Viscosity
Not determined.
Odor
Not determined
Physical State Data
liquid
Metal Corrosion
---
Explosive Limits
---
Freezing Point
---
Decomposition Temperature
Not determined
Solubility In Water
Hydrolyzes
Relative Density
Not determined.
Colour Intensity
---
Vapor Density
Not determined.
Voc Content
---
Density
1.032 g/cm³ (8.612 lbs/gal)
Solubility
Hydrolyzes
Colour
Colorless
Boiling Point
121-122 °C (250-252 °F)
Crystallisation Point
---
Upper Explosive Limit
Not determined
Flammability
Not determined.
Solidification Point
---
Molecular Weight
---
Dynamic Viscosity
Not determined.
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Stable under recommended storage conditions.

Reactivity

No information known.

Hazardous reactions

No dangerous reactions known

Avoid

No further relevant information available.

Incompatible

Oxidizing agents, Water/moisture

Decomposition

Carbon monoxide and carbon dioxide, Silicon oxide

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

Treatment

Consult state, local or national regulations to ensure proper disposal.

14

Transport Information

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

UN Number
UN2606
Shipping Name
Methyl orthosilicate
Transport Class
6.1
Packing Group
I
ADR

Warning: Toxic substances

IMDG

Warning: Toxic substances

IATA

Warning: Toxic substances

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

Chemical Safety Assessment Not performed
?

Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Tetramethoxysilane?

The signal word is danger.

What is the physical form of Tetramethoxysilane?

Tetramethoxysilane is a liquid appearing as liquid with colorless color. It has not determined odor.

What is the solubility of Tetramethoxysilane?

Hydrolyzes

What is Tetramethoxysilane used for?

SU24 Scientific research and development

What are the hazard statements for Tetramethoxysilane?

This substance has 5 hazard statements:

  • H226: Flammable liquid and vapour.
  • H315: Causes skin irritation.
  • H318: Causes serious eye damage.
  • H330: Fatal if inhaled.
  • H335: May cause respiratory irritation.

What is the melting point of Tetramethoxysilane?

The melting point is 4-5 °C (39-41 °F) and the boiling point is 121-122 °C (250-252 °F).