Malachite Green Oxalate, C.I. 42000

1. Identification

Product Identifiers

Product Name

Malachite Green Oxalate, C.I. 42000

Other Names

Malachite Green Oxalate, Malachite Green oxalate salt, Basic Green 4 oxalate, MG oxalate, Victoria Green B oxalate, Aniline Green oxalate

Product Number(s)

C082, C082-BULK, C0821, C0825, CMZM9015A, CMZM9015B, M9015-100G, M9015-25G

CAS Number

2437-29-8

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

Danger

Hazard Statement(s)

• H301 Toxic if swallowed.
• H318 Causes serious eye damage.
• H361 Suspected of damaging fertility or the unborn child.
• H410 Very toxic to aquatic life with long lasting effects.

Precautionary Statement(s)

• Prevention
• P201 Obtain special instructions before use.
• P202 Do not handle until all safety precautions have been read and P264 Wash skin thoroughly after handling.
• P273 Avoid release to the environment.
• P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
• Response
• P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth.
• P305 + P351 + P338 + P310 IF IN 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.
• P308 + P313 IF exposed or concerned: Get medical advice/ attention.
• P391 Collect spillage.
• Disposal
• P501 Dispose of contents/ container to an approved waste disposal plant.

Primary route(s) of entry

Human Health

Inhalation

Harmful by inhalation.

Ingestion

Harmful if swallowed.

Eyes

Risk of serious damage to eyes.

Skin

Harmful in contact with skin.

Environment

3. Composition / Information on Ingredients

4. First Aid Measures

Ingestion

• If swallowed: give water to drink (two glasses at most). Seek medical advice immediately.
• In exceptional cases only, if medical care is not available within one hour, induce vomiting
• (only in persons who are wide awake and fully conscious), administer activated charcoal
• (20 - 40 g in a 10% slurry) and consult a doctor as quickly as possible.

Inhalation

After inhalation: fresh air. Call in physician.

Skin Contact

In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower. Consult a physician.

Eye Contact

After eye contact: rinse out with plenty of water. Immediately call in ophthalmologist. Remove contact lenses.

Other Information

Show this material safety data sheet to the doctor in attendance.

5. Firefighting Measures

Suitable extinguishing equipment

Fire

• Suitable extinguishing media: Water Foam Carbon dioxide (CO2) Dry powder
• Unsuitable extinguishing media: For this substance/mixture no limitations of extinguishing agents are given.

HAZCHEM

Not available.

Special protective equipment and precautions for fire fighters

6. Accidental Release Measures

Personal precautions, protective equipment and emergency procedures

• Advice for non-emergency personnel: Avoid inhalation of dusts. Avoid substance contact.
• Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.
• For personal protection see section 8.

Environmental precautions

Do not let product enter drains.

Methods and materials for containment and clean up

• Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up carefully. Dispose of properly. Clean up affected area.
• Avoid generation of dusts.

7. Handling and Storage

Precautions for safe handling

Do not breathe dust. Avoid contact with eyes, skin, and clothing. Avoid prolonged or repeated exposure. Wash thoroughly after handling.

Conditions for safe storage

• Storage conditions
• Tightly closed. Dry. Keep in a well-ventilated place. Keep locked up or in an area accessible only to qualified or authorized persons.
• Storage class
• Storage class (TRGS 510): 6.1C: Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects.

8. Exposure Controls / Personal Protection

Exposure Standards

Engineering controls

Facilities storing or utilising this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation to keep airborne concentrations low. A local exhaust system which captures the contaminant at its source is recommended to prevent dispersion of the contaminant into the workroom air. Change contaminated clothing. Preventive skin protection recommended. Wash hands after working with substance.

Personal protective equipment

Eye and face protection

Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Tightly fitting safety goggles.

Skin protection

• This recommendation applies only to the product stated in the safety data sheet,
• supplied by us and for the designated use. When dissolving in or mixing with other
• substances and under conditions deviating from those stated in EN 16523-1 please
• contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell,
• Internet: www.kcl.de).
• Full contact
• Material: Nitrile rubber
• Minimum layer thickness: 0.11 mm
• Break through time: 480 min
• Material tested:KCL 741 Dermatril® L
• This recommendation applies only to the product stated in the safety data sheet,
• supplied by us and for the designated use. When dissolving in or mixing with other
• substances and under conditions deviating from those stated in EN 16523-1 please
• contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell,
• Internet: www.kcl.de).
• Splash contact
• Material: Nitrile rubber
• Minimum layer thickness: 0.11 mm
• Break through time: 480 min
• Material tested:KCL 741 Dermatril® L

Body protection

Wear a clean body-covering clothing.

Respiratory protection

• required when dusts are generated.
• Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.

9. Physical and Chemical Properties

General information

Appearance

Green metallic crystalline powder

Odour

Odourless

pH

Not available.

Vapour Pressure

Not available.

Density

Not available.

Boiling Point

Not available.

Melting Point

144-150°C (291-302°F)

Solubility

Not available.

Specific Gravity of Density

Not available.

Flash Point

Not available.

Flammable (Explosive) Limits

Not available.

Ignition Temperature

Not available.

Formula

C23H25N2.C2HO4.0.5C2H2O4

10. Stability and Reactivity

Reactivity

The following applies in general to flammable organic substances and mixtures: in correspondingly fine distribution, when whirled up a dust explosion potential may generally be assumed.

Chemical stability

he product is chemically stable under standard ambient conditions (room temperature).

Possibility of hazardous reactions

Violent reactions possible with: Strong oxidizing agents.

Conditions to avoid

No further relevant information available.

Incompatible materials

No data available

11. Toxicological Information

Acute effects

• LD50 Oral - Rat - 275 mg/kg
• Remarks: Behavioral:Change in motor activity (specific assay).
• Diarrhea
• Gastrointestinal:Other changes.
• (RTECS)
• Inhalation: No data available
• Dermal: No data available

Eye contact

No further relevant information available.

Skin contact

No further relevant information available.

Ingestion

May cause stomach irregularities, DNA damage.

Inhalation

No further relevant information available.

Chronic effects

• Germ cell mutagenicity: No data available
• Carcinogenicity: No data available

Toxicity and irritation

• Reproductive toxicity
• Suspected of damaging the unborn child.
• Suspected of damaging fertility.
• Specific target organ toxicity - single exposure: No data available
• Specific target organ toxicity - repeated exposure: No data available
• Aspiration hazard: No data available

12. Ecological Information

Ecotoxicity

• Toxicity to daphnia and other aquatic invertebrates: EC50 - Daphnia magna (Water flea) - 0.29 mg/l - 48 h
• Remarks: (ECOTOX Database)

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

14. Transport Information

ADG label required

HAZCHEM

Not available.

UN Number

UN2811

Proper shipping name

• ADR/RID: TOXIC SOLID, ORGANIC, N.O.S. (Malachite green oxalate)
• IMDG: TOXIC SOLID, ORGANIC, N.O.S. (Malachite green oxalate)
• IATA-DGR: Toxic solid, organic, n.o.s. (Malachite green oxalate)

Transport hazard class

ADR/RID: 6.1 IMDG: 6.1 IATA-DGR: 6.1

Packing group

PG III

Environmental hazard

ADR/RID: yes IMDG Marine pollutant: yes IATA-DGR: no

Special precautions for users

No information available.

Additional information

• Other regulations
• Hazchem Code : 2X

15. Regulatory Information

Poisons Schedule Number

Therapeutic Goods (Poisons Standard) Instrument: No poison schedule number allocated

Other Information

No further relevant information available.

16. Other Information

SDS preparation date

3 September 2026

Comments

• Full text of H-Statements referred to under sections 2 and 3.
• H301 Toxic if swallowed.
• H318 Causes serious eye damage.
• H361 Suspected of damaging fertility or the unborn child.
• H400 Very toxic to aquatic life.
• H410 Very toxic to aquatic life with long lasting effects.

References

Sigma-Aldrich (Merck) SDS: Malachite Green oxalate salt. 04/03/2024. https://www.sigmaaldrich.com/AU/en/sds/sigma/m9015?userType=anonymous