ProSciTech Safety Data Sheets ProSciTech Pty Ltd · proscitech.com.au

SAFETY DATA SHEET

Osmium Tetroxide 2% Aqueous Solution

Version 1Last reviewed 27 November 2024Catalogue: 19152, 19152-SP, 19153, 19172, 19173, 19192, 19193

1. Identification

Product Identifiers

Product Name
Osmium Tetroxide 2% Aqueous Solution
Other Names
Synonyms
Product Number(s)
19152, 19152-SP, 19153, 19172, 19173, 19192, 19193
CAS Number
N/A

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 9444
pst@proscitech.com
proscitech.com.au

Emergency Contact Details

ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia
(07) 4773 9444
pst@proscitech.com
proscitech.com.au

2. Hazards Identification

Classification of the substance or mixture

  • GHS06 Skull and crossbones
  • Acute Tox. 3 H301 Toxic if swallowed.
  • Acute Tox. 3 H311 Toxic in contact with skin.
  • Acute Tox. 3 H331 Toxic if inhaled.
  • GHS07
  • Skin Irrit. 2 H315 Causes skin irritation.
  • Eye Irrit. 2A H319 Causes serious eye irritation.

Label Elements

Acute toxicity
Acute toxicity
Harmful / irritant
Harmful / irritant
Signal Words
None
Hazard Statement(s)
  • Toxic if swallowed, in contact with skin or if inhaled.
  • Causes skin irritation.
  • Causes serious eye irritation.
Precautionary Statement(s)
  • Avoid breathing dust/fume/gas/mist/vapours/spray
  • 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.
  • If swallowed: Immediately call a poison center/doctor.
  • Specific treatment (see on this label).
  • Rinse mouth.
  • If on skin: Wash with plenty of water.
  • IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • Call a poison center/doctor.
  • If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
  • Continue rinsing.
  • Call a poison center/doctor if you feel unwell.
  • Take off immediately all contaminated clothing and wash it before reuse.
  • If skin irritation occurs: Get medical advice/attention.
  • If eye irritation persists: 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.
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

No information provided.

4. First Aid Measures

Ingestion
Do not induce vomiting; immediately call for medical help.
Inhalation
  • Supply fresh air or oxygen; call for doctor.
  • In case of unconsciousness place patient stably in side position for transportation
Skin Contact
  • Immediately remove any clothing soiled by the product.
  • Immediately wash with water and soap and rinse thoroughly.
Eye Contact
Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor.
Other Information
  • Immediately remove any clothing soiled by the product.
  • Remove breathing apparatus only after contaminated clothing have been completely removed.
  • In case of irregular breathing or respiratory arrest provide artificial respiration.

5. Firefighting Measures

Suitable extinguishing equipment

Fire
  • CO₂, powder or water spray.
  • 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

Mouth respiratory protective device

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

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
Conditions for safe storage
Keep receptacle tightly sealed.

8. Exposure Controls / Personal Protection

Exposure Standards

MaterialTWA ppmTWA mg/m³STEL ppmSTEL mg/m³
Osmium Tetroxide0.0002 ppm0.002* mg/m³0.0006 ppm0.0047 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 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.
Body protection
  • Immediately remove all soiled and contaminated clothing.
  • 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, solid
Odour
Chlorine-like
pH
Not determined
Vapour Pressure
at 20 °C (68 °F): 23 hPa (17.3 mm Hg)
Density
at 20 °C (68 °F): 1.07812 g/cm³ (8.99691 lbs/gal)
Boiling Point
130 °C (266 °F)
Melting Point
Undetermined
Solubility
Not miscible or difficult to mix
Specific Gravity of Density
Not determined
Flash Point
Not applicable
Flammable (Explosive) Limits
Not flammable
Ignition Temperature
Product is not selfigniting
Formula
  • Solvent content:
  • Water: 98.0 %
  • VOC content: 0.00 %
  • 0.0 g/l / 0.00 lb/gal
  • Solids content: 2.0 %

10. Stability and Reactivity

Reactivity
No further relevant information available
Chemical stability
Stable under normal conditions
Possibility of hazardous reactions
No dangerous reactions known.
Conditions to avoid
No further relevant information available
Incompatible materials
No further relevant information available

11. Toxicological Information

Acute effects
  • Toxic if swallowed.
  • Irritant to skin
  • Harmful if inhaled.
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
  • The product shows the following dangers according to internally approved calculation methods for preparations:
  • Toxic
  • Irritant

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 (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

13. Disposal Considerations

General information

  • Must not be disposed of together with household garbage. Do not allow product to reach sewage system.
  • Disposal must be made according to official regulations
  • Recommendation:
  • Must not be disposed of together with household garbage. Do not allow product to reach sewage system.

14. Transport Information

ADG label required

Marine pollutant
Marine pollutant
Class 6.1 Toxic
Class 6.1 Toxic
HAZCHEM
No further relevant information available.
UN Number
UN3287
Proper shipping name
TOXIC LIQUID, INORGANIC, N.O.S.
Transport hazard class
6.1 Toxic substances
Packing group
III
Environmental hazard
  • Yes (DOT)
  • Symbol (fish and tree)
Special precautions for users
  • Warning: Toxic substances
  • SW2 Clear of living quarters
Additional information
  • Quantity limitations On passenger aircraft/rail: 60 L
  • On cargo aircraft only: 220 L
  • 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
27 November 2024
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.