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

SAFETY DATA SHEET

Formaldehyde (Paraformaldehyde) 4% Aqueous Solution, EM Grade

Version 1Last reviewed 26 February 2026Catalogue: 157-4 (C005), 157-4-100 (C005-100), 157-4-1L (C005-1L), 157-4-500-SP, 157-4-5L, 157-4-CUSTOM, 157-4-PLASTIC, 157-4-SP, 157-4-SP-1L, 157-4-SPECIAL, 157SP-4

1. Identification

Product Identifiers

Product Name
Formaldehyde (Paraformaldehyde) 4% Aqueous Solution, EM Grade
Other Names
4% Paraformaldehyde (Formaldehyde) Aqueous Solution
Product Number(s)
157-4 (C005), 157-4-100 (C005-100), 157-4-1L (C005-1L), 157-4-500-SP, 157-4-5L, 157-4-CUSTOM, 157-4-PLASTIC, 157-4-SP, 157-4-SP-1L, 157-4-SPECIAL, 157SP-4

Recommended use of the chemical and restriction on use

Laboratory use. Laboratory chemicals

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

  • GHS08 Health hazard
  • Sensitization - Respiratory 1
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled.
  • Flammable Liquids 4
  • H227 Combustible liquid.
  • H316: Causes mild skin irritation

Label Elements

Health hazard
Health hazard
Signal Words
None
Hazard Statement(s)
  • H316: Causes mild skin irritation
  • H227: Combustible liquid
  • H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary Statement(s)
  • P210: Keep away from flames and hot surfaces. No smoking
  • P261: Avoid breathing dust/fume/gas/mist/vapours/spray
  • P342±P311: If experiencing respiratory symtoms. Call a POISON CENTER/doctor
  • P501: Dispose of contents/container in accordance with local/regional/national/international regulations.

Primary route(s) of entry

Not available.

Human Health

Inhalation
Not available.
Ingestion
Not available.
Eyes
Not available.
Skin
Not available.

Environment

No further relevant information available.

3. Composition / Information on Ingredients

NameCAS No.Content (w/w)Classification
Paraformaldehyde>2.5-≤10%Acute Tox. 3, H301; Acute Tox. 3, H311; Acute Tox. 3, H331; Muta. 2, H341; Carc. 1B, H350; Skin Corr. 1B, H314; Skin Sens. 1, H317

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.
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
CO₂, powder or water spray. Fight larger fires with water spray or alcohol resistant foam.
Large Fire
CO₂, powder or water spray. Fight larger fires with water spray or alcohol resistant foam.
HAZCHEM
Not 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.
  • Open and handle receptacle with care.
  • Prevent formation of aerosols.
Conditions for safe storage
  • Protect from heat.
  • Keep respiratory protective device available.
  • PAC-1:
  • Paraformaldehyde 2 mg/m³
  • PAC-2:
  • Paraformaldehyde 23 mg/m³
  • PAC-3:
  • Paraformaldehyde 47 mg/m³

8. Exposure Controls / Personal Protection

Exposure Standards

MaterialTWA ppmTWA mg/m³STEL ppmSTEL 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.
  • Avoid contact with the skin.
  • Avoid contact with the eyes and skin.

Personal protective equipment

Eye and face protection
Safety glasses
Skin protection
Protective gloves - The glove material has to be impermeable and resistant to the product/ the substance/ the preparation
Body protection
  • 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.
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
Clear liquid
Odour
Characteristic
pH
Not available.
Vapour Pressure
at 20 °C (68 °F): 23 hPa (17.3 mm Hg)
Density
at 20 °C (68 °F): 0.9848 g/cm³ (8.21816 lbs/gal)
Boiling Point
>93 °C (>199.4 °F)
Melting Point
0 °C (32 °F)
Solubility
Fully miscible.
Specific Gravity of Density
Not available.
Flash Point
>60 °C (>140 °F)
Flammable (Explosive) Limits
Not available.
Ignition Temperature
Product is not selfigniting.
Formula
  • Solvent content:
  • Water: 96.0 %
  • VOC content: 0.00 %
  • 0.0 g/l / 0.00 lb/gal
  • Solids content: 0.0 %

10. Stability and Reactivity

Reactivity
Not available.
Chemical stability
Not available.
Possibility of hazardous reactions
No further relevant information available.
Conditions to avoid
Not 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
Irritant to skin and mucous membranes.
Ingestion
No further relevant information available.
Inhalation
No further relevant information available.
Toxicity and irritation
  • Paraformaldehyde
  • Oral LD50 800 mg/kg (Rat)
  • Dermal LD50 10,000 mg/kg (rabbit)
  • Inhalative LC50/4 h 1,070 mg/l (Rat)
  • Suspected of causing genetic defects.
  • Carcinogenicity: May cause cancer.
  • The product shows the following dangers according to internally approved calculation methods for preparations:
  • Harmful
  • Irritant

12. Ecological Information

Ecotoxicity
  • Water hazard class 2 (Self-assessment): hazardous for water
  • Do not allow product to reach ground water, water course or sewage system.
  • Danger to drinking water if even small quantities leak into the ground.
Persistence and degradability
No further relevant information available.
Bioaccumulative potential
No further relevant information available.
Other adverse effects
No further relevant information available.

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
Not 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
No information available.
Additional information
No information available.

15. Regulatory Information

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

16. Other Information

SDS preparation date
26 February 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.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.