Methacrylic Acid, Glacial

1. Identification

Product Identifiers

Product Name

Methacrylic Acid, Glacial

Other Names

NA

Product Number(s)

18500, EMS18500

CAS Number

79-41-4

Recommended use of the chemical and restriction on use

Company Details

Emergency Contact Details

2. Hazards Identification

Classification of the substance or mixture

Label Elements

Signal Words

None

Hazard Statement(s)

• Hazard-determining components of labelling:
• methacrylic acid
• hydroquinone
• Combustible liquid.
• Harmful if swallowed.
• Harmful in contact with skin.
• Causes severe skin burns and eye damage.
• May cause an allergic skin reaction.
• Suspected of causing cancer.

Precautionary Statement(s)

• Obtain special instructions before use.
• Do not handle until all safety precautions have been read and understood.
• Keep away from flames and hot surfaces. - No smoking.
• Do not breathe dusts or mists.
• Wash thoroughly after handling.
• Do not eat, drink or smoke when using this product.
• Contaminated work clothing should not be allowed out of the workplace.
• Wear protective gloves/protective clothing/eye protection/face protection.

Primary route(s) of entry

Human Health

Inhalation

Remove victim to fresh air and keep at rest un a position comfortable for breathing.

Ingestion

Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. Do NOT induce vomiting.

Eyes

Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. continue rinsing. Immediately call a POISON CENTER/Doctor.

Skin

(or hair) Remove/take off immediately all contaminated clothing. Rinse skin with water/shower. Take off contaminated clothing before reuse.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

• Call for a doctor immediately.
• Drink plenty of water and provide fresh air. Call for a doctor immediately.

Inhalation

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. Then consult a doctor.

Other Information

• Immediately remove any clothing soiled by the product.
• 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.

HAZCHEM

No further relevant information available.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

Wear protective equipment. Keep unprotected persons away.

Environmental precautions

• Inform respective authorities in case of seepage into water course or sewage system.
• 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).
• Use neutralising agent.
• 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 container 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.
• 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. 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

Clear liquid.

Odour

Pungent

pH

Not determined.

Vapour Pressure

0.87hPa

Density

1.0153g/cm³

Boiling Point

161°C

Melting Point

14°C

Solubility

9.8g/l

Specific Gravity of Density

Not available.

Flash Point

68°C

Flammable (Explosive) Limits

Not determined

Ignition Temperature

Not determined.

Formula

CH₂:C(CH₃)COOH

10. Stability and Reactivity

Reactivity

No further relevant information available.

Chemical stability

No decomposition if used according to specifications.

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

• 79-41-4 methacrylic acid
• Oral LD50 1332 mg/kg (mouse)
• Dermal LD50 500 mg/kg (rabbit)

Eye contact

• Strong caustic effect.
• Strong irritant with the danger of severe eye injury.

Skin contact

Strong caustic effect on skin and mucous membranes.

Ingestion

Swallowing will lead to a strong caustic effect on mouth and throat and to the danger of perforation of oesophagus and stomach.

Inhalation

No sensitising effects known.

Toxicity and irritation

No further relevant information available.

12. Ecological Information

Ecotoxicity

Toxic for fish.

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.
• Must not reach sewage water or drainage ditch undiluted or unneutralised.
• Also poisonous for fish and plankton in water bodies.
• Toxic for aquatic organisms.

13. Disposal Considerations

General information

14. Transport Information

ADG label required

HAZCHEM

No further relevant information available.

UN Number

UN2531

Proper shipping name

2531 METHACRYLIC ACID, STABILIZED

Transport hazard class

Class 8 Corrosive substances

Packing group

II

Environmental hazard

Not applicable.

Special precautions for users

• Warning: Corrosive substances.
• Hazard identification number (Kemler code): 89
• EMS Number: F-A,S-B
• Segregation groups: Acids
• Stowage Category: C
• Stowage Code:
• SW1 Protected from sources of heat.
• SW2 Clear of living quarters.
• Segregation Code:
• SG36 Stow "separated from" SGG18-alkalis.
• SG49 Stow "separated from" SGG6-cyanides.

Additional information

• Limited quantities (LQ) 1L
• Excepted quantities (EQ) Code: E2
• Maximum net quantity per inner packaging: 30mL
• Maximum net quantity per outer packaging: 500mL
• Transport category: 2
• Tunnel restriction code: E

15. Regulatory Information

Poisons Schedule Number

123-31-9 hydroquinone S2, S4, S6

Other Information

A Chemical Safety Assessment has not been carried out.

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.