Malononitrile

Avocado Research Chemicals Ltd

Revision date : 2026-07-25

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GHS06 GHS09
Health risk rating 5
Safety risk rating 1
Environmental risk rating 5

Note: Ingredients listed on restricted chemical lists

EC/CAS

109-77-3

Name of the chemical

Malononitrile

Concentration

<=100

General Information

Version

6

Revision date

2026-07-25

Product name

Malononitrile

Product Synonyms

MDN; Dicyanomethane

CAS No.

109-77-3

supplier name

Avocado Research Chemicals Ltd

Emergency telephone

001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887

Icons in SDS

GHS06 GHS09 M004 M009 M010 M011 M017

Company Information

company name

Avocado Research Chemicals Ltd

e-mail address of the competent person responsible for the Safety Data Sheet

begel.sdsdesk@thermofisher.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H300, H311+H331, H317, H319, H410

Hazard statements

Code

Statements

H300

Fatal if swallowed

Section 2

SECTION 2: Hazards identification

Physical State

Appearance/Odor

Solid Yellow Odorless Emergency Overview Toxic in contact with skin. Toxic if inhaled. Harmful to aquatic life. Very toxic to aquatic life with long lasting effects. Fatal if swallowed. May cause an allergic skin reaction. Causes serious eye irritation. Classification of the substance or mixture Acute Oral Toxicity Category 2 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists Category 3 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization Category 1 Acute aquatic toxicity Category 1 Category 3 Chronic aquatic toxicity Category 1 Label Elements

Signal word

Danger Hazard Statements H410 - Very toxic to aquatic life with long lasting effects H300 - Fatal if swallowed H317 - May cause an allergic skin reaction H319 - Causes serious eye irritation H311 + H331 - Toxic in contact with skin or if inhaled

Prevention

P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves/protective clothing/eye protection/face protection

Response

P301 + P310 - IF SWALLOWED: Immediately call a POISON CENTER or doctor P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P311 - Call a POISON CENTER or doctor P330 - Rinse mouth P361 + P364 - Take off immediately all contaminated clothing and wash it before reuse P363 - Wash contaminated clothing before reuse

Storage

P403 + P233 - Store in a well-ventilated place. Keep container tightly closed P405 - Store locked up

Disposal

P501 - Dispose of contents/ container to an approved waste disposal plant

Other physicochemical hazards

None identified.

Health hazards

Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. Harmful if inhaled. Very toxic if swallowed. May cause an allergic skin reaction. Causes serious eye irritation.

Environmental hazards

Harmful to aquatic life. Very toxic to aquatic life with long lasting effects. Will likely be mobile in the environment due to its water solubility. The product is water soluble, and may spread in water systems.

2.3 Other hazards

Toxic to terrestrial vertebrates. This product does not contain any known or suspected endocrine disruptors.

2.1 Classification of the substance or mixture

Acute Oral Toxicity Category 2 Acute Dermal Toxicity Category 3 Acute Inhalation Toxicity - Dusts and Mists Category 3 Serious Eye Damage/Eye Irritation Category 2 Skin Sensitization Category 1 Acute aquatic toxicity Category 1 Category 3 Chronic aquatic toxicity

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