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

SAFETY DATA SHEET

Sodium Thiosulphate Aqueous Solutions - 5%

Version 1Last reviewed 1 March 2026Catalogue: EMS26364-08; 26364-08

1. Identification

Product Identifiers

Product Name
Sodium Thiosulphate Aqueous Solutions - 5%
Other Names
-
Product Number(s)
EMS26364-08; 26364-08
CAS Number
-

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

  • GHS07
  • Acute Toxicity - Oral 4 H302 Harmful if swallowed.
  • Acute Toxicity - Dermal 4 H312 Harmful in contact with skin.
  • Skin Irrititation 2 H315 Causes skin irritation.
  • Eye Irritation 2A H319 Causes serious eye irritation.
  • Sensitization - Skin 1 H317 May cause an allergic skin reaction

Label Elements

Harmful / irritant
Harmful / irritant
Signal Words
Warning
Hazard Statement(s)
  • H303±H313 May be harmful if swallowed or in contact with skin
  • H315 Causes skin irritation
  • H320 Causes eye irritation
  • H317 May cause an allergic skin reaction
Precautionary Statement(s)
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P264 Wash thoroughly after handling.
  • P270 Do not eat, drink or smoke when using this product.
  • P272 Contaminated work clothing should not be allowed out of the workplace.
  • P280 Wear protective gloves/protective clothing/eye protection/face protection.
  • P301±P312 IF SWALLOWED: call a POISON CENTER/doctor/... IF you feel unwell.
  • P330 Rinse mouth..
  • P302±P352 IF ON SKIN: wash with plenty of water.
  • P305±P351±P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
  • P362±P364 Take off contaminated clothing and wash it before reuse.
  • P333±P313 IF SKIN irritation or rash occurs: Get medical advice/attention.
  • Specific treatment (see on this label).
  • P337±P313 IF eye irritation persists: Get medical advice/attention.
  • P363 Wash contaminated clothing before reuse.
  • P501 Dispose of contents/container in accordance with local/regional/national/international regulations.

Human Health

Inhalation
No further relevant information available
Ingestion
No further relevant information available
Eyes
Causes serious eye irritation.
Skin
  • Causes skin irritation
  • Harmful if swallowed or in contact with skin.
  • May cause an allergic skin reaction.

Environment

  • Dilute with plenty of water.
  • Do not allow to enter sewers/ surface or ground water.

3. Composition / Information on Ingredients

NameCAS No.Content (w/w)Classification
Sodium Thiosulphate Pentahydrate10102-17-7>2.5-≤10%Not Available

4. First Aid Measures

Ingestion
If symptoms persist consult doctor
Inhalation
Supply fresh air and to be sure call for a doctor. 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, consult a doctor
Other Information
No further relevant information available

5. Firefighting Measures

Suitable extinguishing equipment

Fire
Use fire fighting measures that suit the environment
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
Keep receptacle tightly sealed

8. Exposure Controls / Personal Protection

Exposure Standards

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.
  • Avoid contact with the eyes and skin

Personal protective equipment

Eye and face protection
Tightly sealed goggles
Skin protection
  • Protective gloves
  • The glove material has to be impermeable and resistant to the product/ the substance/ the preparation.
  • Due to missing tests no recommendation to the glove material can be given for the product/ the preparation/ the chemical mixture.
  • Selection of the glove material on consideration of the penetration times, rates of diffusion and the degradation
Body protection
No further relevant information available.
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
Clear liquid
Odour
Odorless
pH
at 20 °C (68 °F): 6-9
Vapour Pressure
at 20 °C (68 °F): 23 hPa (17.3 mm Hg)
Density
at 20 °C (68 °F): 1 g/cm³ (8.345 lbs/gal)
Boiling Point
>100 °C (>212 °F)
Melting Point
0 °C (32 °F)
Solubility
Fully miscible.
Specific Gravity of Density
No data
Flash Point
Not applicable.
Flammable (Explosive) Limits
Not flammable
Ignition Temperature
Product is not selfigniting
Formula
  • Solvent content:
  • Water: 95.0 %
  • VOC content: 0.00 %
  • 0.0 g/l / 0.00 lb/gal

10. Stability and Reactivity

Reactivity
No further relevant information available.
Chemical stability
Stable under noramL working 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
No further relevant information available
Eye contact
Irritating effect.
Skin contact
Irritant to skin and mucous membranes. Sensitization possible through skin contact
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:
  • Harmful
  • 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.

14. Transport Information

ADG label required

HAZCHEM
No further relevant information available
UN Number
Void
Proper shipping name
Void
Transport hazard class
Void
Packing group
Void
Environmental hazard
Void
Special precautions for users
Void
Additional information
Void

15. Regulatory Information

Poisons Schedule Number
No further relevant information available
Other Information
No further relevant information available

16. Other Information

SDS preparation date
1 March 2026
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
No further relevant information available