SAFETY DATA SHEET

Sodium Tungstate

Version 1Last reviewed 23 November 2023Catalogue: C142

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
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

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

Fire: Use fire extinguishing methods suitable to surrounding conditions.
Large Fire: Product in non-flammable - use suitable extinguishing media for the surrounding fire.
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: 0
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).