SAFETY DATA SHEET

Methyl Methacrylate Monomer

Version 1Last reviewed 24 February 2026Catalogue: C651

1. Identification

Product Identifiers

Product Name: Methyl Methacrylate Monomer
Other Names: N/A
Product Number(s): C651
CAS Number: 80-62-6

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

GHS02 flame
Flam. Liq. 2 H225 Highly flammable liquid and vapour.
GHS07
Skin Irrit. 2 H315 Causes skin irritation.
Skin Sens. 1 H317 May cause an allergic skin reaction.
STOT SE 3 H335 May cause respiratory irritation.

Label Elements

Signal Words: None
Hazard Statement(s): H225 Highly flammable liquid and vapour.
H315 Causes skin irritation.
H317 May cause an allergic skin reaction.
H335 May cause respiratory irritation.
Precautionary Statement(s): P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P241 Use explosion-proof electrical/ventilating/lighting/equipment.
P303±P361±P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P321 Specific treatment (see on this label).
P405 Store locked up.
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

Name	CAS No.	Content (w/w)	Classification
Methyl methacrylate	80-62-6	-	-

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: No further relevant information available.

5. Firefighting Measures

Suitable extinguishing equipment

Fire: CO₂, powder or water spray. Fight larger fires with water spray or alcohol resistant foam.For safety reasons unsuitable extinguishing agents: Water with full jet
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: Wear protective equipment. Keep unprotected persons away.
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).
Ensure adequate ventilation.

7. Handling and Storage

Precautions for safe handling: No special precautions are necessary if used correctly.
Conditions for safe storage: Store in a cool location.
Keep container tightly sealed.
Store in cool, dry conditions in well sealed receptacles.
Information about fire - and explosion protection:
Keep ignition sources away - Do not smoke.
Protect against electrostatic charges.

8. Exposure Controls / Personal Protection

Exposure Standards

Material	TWA ppm	TWA mg/m³	STEL ppm	STEL mg/m³
80-62-6 methyl methacrylate	WELShort-term value: 416 mg/m³, 100 ppmLong-t	-	-	-

Engineering controls: General protective and hygienic measures:
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: Tightly sealed protective google are recommended.
Skin protection: Protective gloves are recommended.
Body protection: Protective clothes are recommended.
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: Colourless fluid
Odour: Acrid
pH: Not determined.
Vapour Pressure: 47 hPa at 20°C
Density: 0.94 g/cm³ at 20°C
Boiling Point: 101°C
Melting Point: -48°C
Solubility: 1.6 g/l
Specific Gravity of Density: Not available.
Flash Point: 10°C
Flammable (Explosive) Limits: Not applicable. Product is not explosive. However, formation of explosive air/vapour mixtures are possible.
Ignition Temperature: 430°C
Formula: C₅H₈O₂

10. Stability and Reactivity

Reactivity: No further relevant information available.
Chemical stability: Not available.
Possibility of hazardous reactions: No dangerous reactions known.
Conditions to avoid: No decomposition if used according to specifications.
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. Sensitisation possible through skin contact.
Ingestion: No further relevant information available.
Inhalation: No further relevant information available.
Toxicity and irritation: LD/LC50 values relevant for classification:
Oral LD50 7872 mg/kg (rat)
Water hazard class 1 (German Regulation) (Assessment by list): slightly hazardous for water
Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system.

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: 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.

14. Transport Information

ADG label required

HAZCHEM: Not available.
UN Number: UN1247
Proper shipping name: 1247 METHYL METHACRYLATE MONOMER, STABILISED METHYL METHACRYLATE MONOMER, STABILISED
Transport hazard class: 3
Packing group: PG II
Environmental hazard: Not known as a marine pollutant.
Special precautions for users: Warning: Flammable liquids.
Danger code (Kemler): 339
EMS Number: F-E,S-D
Additional information: ADR
Limited quantities (LQ) 1L
Excepted quantities (EQ) Code: E2
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 500 mL
Transport category 2
Tunnel restriction code D/E
IMDG
Limited quantities (LQ) 1L
Excepted quantities (EQ) Code: E2
Maximum net quantity per inner packaging: 30 mL
Maximum net quantity per outer packaging: 500 mL

15. Regulatory Information

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

16. Other Information

SDS preparation date: 24 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.