SAFETY DATA SHEET
Sodium Tungstate
1. IDENTIFICATION
Product Identifiers
Product Name:
Sodium Tungstate
Other Names:
Tungsten, soluble compounds (as W).
Product Number(s):
C142
CAS Number:
10213-10-2
Recommended use of the chemical and restriction on use
Laboratory use. Negative stain in Electron Microscopy.
Company Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia

(07) 4773 9444
www.proscitech.com
Emergency Contact Details
ProSciTech Pty Ltd
11 Carlton Street
KIRWAN QLD 4817
Australia

(07) 4773 9444
www.proscitech.com
2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
GHS07
Acute Tox. 4 H302 Harmful if swallowed.
Label Elements
Signal Words
Warning
Hazard Statement(s)
Harmful if swallowed.
Precautionary Statement(s)
Wash thoroughly after handling.
Do not eat, drink, or smoke when using this product.
Primary route(s) of entry
Not applicable.
Human Health
Inhalation:
Not available.
Ingestion:
Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
Eyes:
Not available.
Skin:
Not available.
Environment
Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION/INFORMATION ON INGREDIENTS
Name
CAS No.
Content (w/w)
Classification
Sodium tungstate dihydrate
10213-10-2
-
-
4. FIRST AID MEASURES
Ingestion
Call for a doctor immediately.
Inhalation
Supply fresh air; consult doctor in case of complaints.
Skin Contact
Generally the product does not irritate the skin.
Eye Contact
Rinse opened eye for several minutes under running water.
Other Information
Symptoms of poisoning may even occur after several hours; therefore medical observation for at least 48 hours after the accident.
5. FIREFIGHTING MEASURES
Suitable extinguishing equipment
Use fire extinguishing methods suitable to surrounding conditions.
HAZCHEM
No further relevant information available.
Special protective equipment and precautions for fire fighters
No special measures required.
6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Not required.
Environmental precautions
Dilute with plenty of water.
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.
7. HANDLING AND STORAGE
Precautions for safe handling
Ensure good ventilation/exhaustion at the workplace.
Prevent formation of aerosols.
Conditions for safe storage
No special requirements.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Exposure Standards
Material
TWA ppm
TWA mg/m3
STEL ppm
STEL mg/m3
-
-
Engineering controls
Keep away from foodstuffs, beverages and feed.
Wash hands before breaks and at the end of work.
Personal protective equipment
Eye and face protection
Goggles recommended during refilling.
Skin protection
Protective gloves. The glove material has to be impermeable and resistant to the product/the substance/the preparation. Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation. The exact break through time has to be found out by the manufacturer of the protective gloves and has to be observed.
Body protection
Protective clothing.
Respiratory protection
In case of brief exposure or low pollution use respiratory filter device. In case of intensive or longer exposure use self-contained respiratory protective device.
9. PHYSICAL AND CHEMICAL PROPERTIES
General information
Appearance
White crystalline.
Odour
Characteristic.
pH
Not available.
Vapour Pressure
Not available.
Density
4.18g/cm3
Boiling Point
Undetermined.
Melting Point
Undetermined.
Solubility
Fully miscible.
Specific Gravity of Density
Not available.
Flash Point
Not available.
Flammable (Explosive) Limits
Not available.
Ignition Temperature
Not available.
Formula
Na2WO4.2H2O
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 further relevant information available.
Incompatible materials
No further relevant information available.
11. TOXICOLOGICAL INFORMATION
Acute effects
No further relevant information available.
Eye contact
No irritating effect.
Skin contact
No irritant effect.
Ingestion
No further relevant information available.
Inhalation
No sensitising effects known.
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
Water hazard class 1: 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 together with household garbage. Do not allow product to reach sewage system.
Disposal must be made according to official regulations.
Recommended cleansing agents: Water, if necessary together with cleansing agents.
14. TRANSPORT INFORMATION
ADG label required
HAZCHEM
No further relevant information available.

UN Number
None.
Proper shipping name
Not regulated.
Transport hazard class
Void
Packing group
None.
Environmental hazard
No information available.
Special precautions for users
Not regulated.
Additional information
Not regulated.
15. REGULATORY INFORMATION
Poisons Schedule Number
Substance is not listed.
Other Information
A Chemical Safety Assessment has not been carried out.
16. OTHER INFORMATION
SDS preparation date
23 November 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.
References
List of Publications referenced when creating this MSDS;
- Hazardous Substances Information System Consolidated Lists: Safe Work Australia.
- APPROVED CRITERIA FOR CLASSIFYING HAZARDOUS SUBSTANCES [NOHSC:1008(2004)] 3rd Edition: National Occupational Health and Safety Commission.
- Dangerous Goods - Initial Emergency Response Guide (SAA/SNZ HB76:1997).
- IATA Dangerous Goods Regulations.
- Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment [NOHSC:1003(1995)].
- Australia Standard for the Uniform Scheduling of Drugs and Poisons [SUSPD] (Australian Government Department of Health and Ageing).
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.

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