SAFETY DATA SHEET
Osmium Tetroxide, 4% Aqueous Solution
1. IDENTIFICATION
Product Identifiers
Product Name:
Osmium Tetroxide 4% Aqueous Solution
Other Names:
N/A
Product Number(s):
19140 (C011-2), 19150 (C011-210), 19151 (C011-250), 19160 (C011-5), 19170 (C011-510), 19171 (C011-550), 19180 (C011), 19190 (C011-1010), 19191 (C011-1050)
CAS Number:
20816-12-0
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
GHS06 skull and crossbones
Acute Tox. 3 H301 Toxic if swallowed.
Acute Tox. 2 H310 Fatal in contact with skin.
GHS05 corrosion
Eye Dam. 1 H318 Causes serious eye damage.
GHS07
Skin Irrit. 2 H315 Causes skin irritation.
Acute Tox. 3 H301 Toxic if swallowed.
Acute Tox. 2 H310 Fatal in contact with skin.
GHS05 corrosion
Eye Dam. 1 H318 Causes serious eye damage.
GHS07
Skin Irrit. 2 H315 Causes skin irritation.
Label Elements
Signal Words
Danger
Hazard Statement(s)
H301 Toxic if swallowed.
H310 Fatal in contact with skin.
H332 Harmful if inhaled.
H315 Causes skin irritation.
H318 Causes serious eye damage.
H310 Fatal in contact with skin.
H332 Harmful if inhaled.
H315 Causes skin irritation.
H318 Causes serious eye damage.
Precautionary Statement(s)
Do not breathe dust/fume/gas/mist/vapours/spray.
Do not get in eyes, on skin, or on clothing.
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
Use only outdoors or in a well-ventilated area.
Wear protective gloves/protective clothing/eye protection/face protection.
[In case of inadequate ventilation] wear respiratory protection.
If swallowed: Immediately call a poison center/doctor.
Rinse mouth.
If on skin: Wash with plenty of water.
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing.
Specific treatment is urgent (see on this label).
Take off immediately all contaminated clothing and wash it before reuse.
If skin irritation occurs: Get medical advice/attention.
Store in a well-ventilated place. Keep container tightly closed.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Do not get in eyes, on skin, or on clothing.
Wash thoroughly after handling.
Do not eat, drink or smoke when using this product.
Use only outdoors or in a well-ventilated area.
Wear protective gloves/protective clothing/eye protection/face protection.
[In case of inadequate ventilation] wear respiratory protection.
If swallowed: Immediately call a poison center/doctor.
Rinse mouth.
If on skin: Wash with plenty of water.
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing.
Specific treatment is urgent (see on this label).
Take off immediately all contaminated clothing and wash it before reuse.
If skin irritation occurs: Get medical advice/attention.
Store in a well-ventilated place. Keep container tightly closed.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Primary route(s) of entry
Inhalation or Skin contact
Human Health
Inhalation:
Remove person to fresh air and keep comfortable for breathing.
Ingestion:
Immediately call a POISON CENTRE/ doctor.
Rinse mouth. Do NOT induce vomiting.
Rinse mouth. Do NOT induce vomiting.
Eyes:
Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Skin:
(or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
Environment
No further relevant information available.
3. COMPOSITION/INFORMATION ON INGREDIENTS
Name
CAS No.
Content (w/w)
Classification
Osmium Tetroxide
20816-12-0
2.5-10%
Acute Tox. 2, H300; Acute Tox. 1, H310; Acute Tox. 2, H330; Skin Corr.1B, H314
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. Then consult a doctor.
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, powder or water spray.
Fight larger fires with water spray or alcohol resistant foam.
Use fire fighting measures that suit the environment
Fight larger fires with water spray or alcohol resistant foam.
Use fire fighting measures that suit the environment
HAZCHEM
No further relevant information available.
Special protective equipment and precautions for fire fighters
6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Not required.
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.
· PAC-1:
20816-12-0 Osmium Tetroxide 6.00E-04 ppm
· PAC-2:
20816-12-0 Osmium Tetroxide 0.0084 ppm
· PAC-3:
20816-12-0 Osmium Tetroxide 4.0 ppm
Dispose contaminated material as waste according to item 13.
Ensure adequate ventilation.
· PAC-1:
20816-12-0 Osmium Tetroxide 6.00E-04 ppm
· PAC-2:
20816-12-0 Osmium Tetroxide 0.0084 ppm
· PAC-3:
20816-12-0 Osmium Tetroxide 4.0 ppm
7. HANDLING AND STORAGE
Precautions for safe handling
Ensure good ventilation/exhaustion at the workplace.
Open and handle receptacle with care.
Prevent formation of aerosols.
Keep respiratory protective device available.
Open and handle receptacle with care.
Prevent formation of aerosols.
Keep respiratory protective device available.
Conditions for safe storage
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Exposure Standards
Material
TWA ppm
TWA mg/m3
STEL ppm
STEL mg/m3
20816-12-0 Osmium Tetroxide
0.0002 ppm
0.0016 mg/m³
0.0006 ppm
0.0047 mg/m³
Engineering controls
Keep away from foodstuffs, beverages and feed.
Immediately remove all soiled and contaminated clothing.
Wash hands before breaks and at the end of work.
Store protective clothing separately.
Avoid contact with the skin.
Avoid contact with the eyes and skin.
Immediately remove all soiled and contaminated clothing.
Wash hands before breaks and at the end of work.
Store protective clothing separately.
Avoid contact with the skin.
Avoid contact with the eyes and skin.
Personal protective equipment
Eye and face protection
Tightly sealed goggles recommended.Avoid contact with the eyes.
Skin protection
Protective gloves recommended.
Avoid contact with the skin.
Wash hands before breaks and at the end of work.
Avoid contact with the skin.
Wash hands before breaks and at the end of work.
Body protection
Immediately remove all soiled and contaminated clothing.
Store protective clothing separately.
Store protective clothing separately.
Respiratory protection
In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use respiratory protective device that is independent of circulating air.
9. PHYSICAL AND CHEMICAL PROPERTIES
General information
Appearance
Light yellow liquid
Odour
Chlorine-like
pH
at 20 °C (68 °F): 7
Vapour Pressure
at 20 °C (68 °F): 23 hPa (17.3 mm Hg)
Density
at 20 °C (68 °F): 1.15624 g/cm³ (9.64882 lbs/gal)
Boiling Point
100 °C (212 °F)
Melting Point
Undetermined.
Solubility
Not miscible or difficult to mix with water.
Specific Gravity of Density
Not available.
Flash Point
Not applicable.
Flammable (Explosive) Limits
Product does not present an explosion hazard.
Ignition Temperature
Product is not self igniting.
Formula
· Solvent content:
Water: 96.0 %
VOC content: 0.00 %
0.0 g/l / 0.00 lb/gal
Solids content: 4.0 %
Water: 96.0 %
VOC content: 0.00 %
0.0 g/l / 0.00 lb/gal
Solids content: 4.0 %
10. STABILITY AND REACTIVITY
Reactivity
No further relevant information available.
Chemical stability
Stable under normal conditions of use.
Possibility of hazardous reactions
No dangerous reactions known.
Conditions to avoid
No decomposition if used according to specifications.
Incompatible materials
No further relevant information available.
11. TOXICOLOGICAL INFORMATION
Acute effects
Toxic if swallowed.
Irritant to skin
Harmful if inhaled.
Irritant to skin
Harmful if inhaled.
Eye contact
Strong irritant with the danger of severe eye injury
Skin contact
Irritant to skin and mucous membranes
Ingestion
No further relevant information available.
Inhalation
No further relevant information available.
Toxicity and irritation
The product shows the following dangers according to internally approved calculation methods for preparations:
Toxic
Irritant
Very toxic
Danger through skin absorption.
Toxic
Irritant
Very toxic
Danger through skin absorption.
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
Water hazard class 1 (German Regulation) (Self-assessment): slightly hazardous for water.
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system
13. DISPOSAL CONSIDERATIONS
General information
Water hazard class 1 (Self-assessment): slightly hazardous for water
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system
Recommendation:
Must not be disposed of together with household garbage. Do not allow product to reach sewage system.
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system
Recommendation:
Must not be disposed of together with household garbage. Do not allow product to reach sewage system.
14. TRANSPORT INFORMATION
ADG label required
HAZCHEM
No further relevant information available.
UN Number
UN3287
Proper shipping name
3287 TOXIC LIQUID, INORGANIC, N.O.S.
Transport hazard class
6.1
Packing group
PG III
Environmental hazard
Marine pollutant. Symbol (fish and tree)
Special precautions for users
Warning: Toxic substances.
· Stowage Category A
· Stowage Code SW2 Clear of living quarters.
· Stowage Category A
· Stowage Code SW2 Clear of living quarters.
Additional information
ADR
Quantity limitations On passenger aircraft/rail: 60 L
On cargo aircraft only: 220 L
· Remarks: Special marking with the symbol (fish and tree).
Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 1000 mL
Limited quantities (LQ) 5L
· Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 1000 mL
Quantity limitations On passenger aircraft/rail: 60 L
On cargo aircraft only: 220 L
· Remarks: Special marking with the symbol (fish and tree).
Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 1000 mL
Limited quantities (LQ) 5L
· Excepted quantities (EQ) Code: E1
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 1000 mL
15. REGULATORY INFORMATION
Poisons Schedule Number
None of the ingredients is listed.
Other Information
No further relevant information available.
16. OTHER INFORMATION
SDS preparation date
5 December 2023
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.