SAFETY DATA SHEET
Hexamethyldisilazane (HMDS)
1. IDENTIFICATION
Product Identifiers
Product Name:
Hexamethyldisilazane
Other Names:
HMDS
Product Number(s):
C108
CAS Number:
999-97-3
Recommended use of the chemical and restriction on use
Laboratory use.
Company Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
Emergency Contact Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
11 Carlton Street
KIRWAN QLD 4817
Australia(07) 4773 9444www.proscitech.com
2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
GHS02 flame
Flam. Liq. 2 H225 Highly flammable liquid and vapour.
GHS07 Acute Tox. 4 H302 Harmful if swallowed.
Skin Irrit. 2 H315 Causes skin irritation.
Eye Irrit. 2 H319 Causes serious eye irritation.
STOT SE 3 H335 May cause respiratory irritation.
Flam. Liq. 2 H225 Highly flammable liquid and vapour.
GHS07 Acute Tox. 4 H302 Harmful if swallowed.
Skin Irrit. 2 H315 Causes skin irritation.
Eye Irrit. 2 H319 Causes serious eye irritation.
STOT SE 3 H335 May cause respiratory irritation.
Label Elements
Signal Words
Danger
Hazard Statement(s)
H225 Highly flammable liquid and vapour.
H302 Harmful if swallowed.
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
H302 Harmful if swallowed.
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
Precautionary Statement(s)
P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P241 Use explosion-proof electrical/ventilating/lighting/equipment.
P303+P361+P353 IF ON SKIN (or hair): Remove/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.
P501 Dispose of contents/container in accordance with local/regional/national/international regulations.
P241 Use explosion-proof electrical/ventilating/lighting/equipment.
P303+P361+P353 IF ON SKIN (or hair): Remove/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.
P501 Dispose of contents/container in accordance with local/regional/national/international regulations.
Primary route(s) of entry
Not available.
Human Health
Inhalation:
In case of irregular breathing or respiratory arrest provide artificial respiration.
In case of unconsciousness place patient stably in side position for transportation.
In case of unconsciousness place patient stably in side position for transportation.
Ingestion:
Do not induce vomiting; call for medical help immediately.
Eyes:
Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor.
Skin:
Immediately remove any clothing soiled by the product.
Immediately wash with water and soap and rinse thoroughly.
Immediately wash with water and soap and rinse thoroughly.
Environment
No further relevant information available.
3. COMPOSITION/INFORMATION ON INGREDIENTS
Name
CAS No.
Content (w/w)
Classification
1,1,1,3,3,3-hexamethyldisilazane
999-97-3
-
-
4. FIRST AID MEASURES
Ingestion
Do not induce vomiting; call for medical help immediately.
Inhalation
In case of unconsciousness place patient stably in side position for transportation.
Skin Contact
Immediately wash with water and soap and rinse thoroughly.
Eye Contact
Rinse opened eye for several minutes under running water. If symptoms persist,
Other Information
Immediately remove any clothing soiled by the product.
In case of irregular breathing or respiratory arrest provide artificial respiration.
In case of irregular breathing or respiratory arrest provide artificial respiration.
5. FIREFIGHTING MEASURES
Suitable extinguishing equipment
CO₂, sand, extinguishing powder. Do not use water.For safety reasons unsuitable extinguishing agents: Water with full jet
HAZCHEM
Not available.
Special protective equipment and precautions for fire fighters
6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Wear protective equipment. Keep unprotected persons away.
Environmental precautions
Do not allow to enter sewers/ surface or ground water.
Methods and materials for containment and clean up
Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust).
Dispose contaminated material as waste according to item 13.
Ensure adequate ventilation.
Do not flush with water or aqueous cleansing agents
Dispose contaminated material as waste according to item 13.
Ensure adequate ventilation.
Do not flush with water or aqueous cleansing agents
7. HANDLING AND STORAGE
Precautions for safe handling
Ensure good ventilation/exhaustion at the workplace.
Prevent formation of aerosols.
Prevent formation of aerosols.
Conditions for safe storage
Protect from heat.
Protect against electrostatic charges.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Exposure Standards
Engineering controls
No information available.
Personal protective equipment
Eye and face protection
Avoid contact with the eyes.
Wear tightly sealed goggles.
Wear tightly sealed goggles.
Skin protection
Avoid contact with the skin.
Wash hands before breaks and at the end of work.
Wear protective gloves.
Wash hands before breaks and at the end of work.
Wear protective gloves.
Body protection
Keep away from foodstuffs, beverages and feed.
Immediately remove all soiled and contaminated clothing
Immediately remove all soiled and contaminated clothing
Respiratory protection
No information available.
9. PHYSICAL AND CHEMICAL PROPERTIES
General information
Appearance
Colourless liquid
Odour
Ammonia-like
pH
8.5
Vapour Pressure
0.774 g/cm³
Density
Not determined
Boiling Point
126 °C
Melting Point
-82 °C
Solubility
Not miscible or difficult to mix.
Specific Gravity of Density
0.774 g/cm³
Flash Point
11 °C
Flammable (Explosive) Limits
Not applicable.
Product is not explosive. However, formation of explosive air/vapour mixtures are possible.
Product is not explosive. However, formation of explosive air/vapour mixtures are possible.
Ignition Temperature
Not available.
Formula
Not available.
10. STABILITY AND REACTIVITY
Reactivity
No further relevant information available.
Chemical stability
Not available.
Possibility of hazardous reactions
No further relevant information available.
Conditions to avoid
No further relevant information available.
Incompatible materials
No further relevant information available.
11. TOXICOLOGICAL INFORMATION
Acute effects
No further relevant information available.
Eye contact
Irritating effect.
Skin contact
Irritant to skin and mucous membranes.
Ingestion
No further relevant information available.
Inhalation
No further relevant information available.
Toxicity and irritation
No further relevant information available.
12. ECOLOGICAL INFORMATION
Ecotoxicity
No further relevant information available.
Persistence and degradability
No further relevant information available.
Bioaccumulative potential
No further relevant information available.
Other adverse effects
No further relevant information available.
13. DISPOSAL CONSIDERATIONS
General information
Must not be disposed together with household garbage. Do not allow product to reach sewage system.
Disposal must be made according to official regulations.
Disposal must be made according to official regulations.
14. TRANSPORT INFORMATION
ADG label required
HAZCHEM
Not available.
UN Number
UN1993
Proper shipping name
1993 FLAMMABLE LIQUID, N.O.S. (1 ,1 ,1,3,3,3-hexamethyldisilazane)
Transport hazard class
3
Packing group
PG II
Environmental hazard
No information available.
Special precautions for users
No information available.
Additional information
Special precautions for user Warning: Flammable liquids.
· Danger code (Kemler): 33
·ADR
· Limited quantities (LQ) 1L
· Excepted quantities (EQ) Code: E2
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 500 mL
Transport category 2
· Tunnel restriction code D/E
IMDG
· Limited quantities (LQ) 1L
· Excepted quantities (EQ) Code: E2
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 500 mL
· Danger code (Kemler): 33
·ADR
· Limited quantities (LQ) 1L
· Excepted quantities (EQ) Code: E2
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 500 mL
Transport category 2
· Tunnel restriction code D/E
IMDG
· Limited quantities (LQ) 1L
· Excepted quantities (EQ) Code: E2
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 500 mL
15. REGULATORY INFORMATION
Poisons Schedule Number
No information available.
Other Information
No further relevant information available.
16. OTHER INFORMATION
SDS preparation date
4 May 2017
Comments
This information is based on our present knowledge. However, this shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.
This Safety Data Sheet (SDS) has been prepared in compliance with the Preparation of Safety Data Sheets for Hazardous Chemicals Code of Practice February 2016. It is the user's responsibility to determine the suitability of this information for adoption of necessary safety precautions. The information published in this SDS has been compiled from the publications listed in Section 16: to the best of our ability and knowledge these publications are considered accurate. We reserve the right to revise Safety Data Sheets as new information becomes available. Copies may be made for non-profit use.