Cyclen

Fisher Scientific UK

Revision date : 2025-08-24

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GHS07 GHS05 GHS09
Health risk rating 2
Safety risk rating 1
Environmental risk rating 5

General Information

Version

5

Revision date

2025-08-24

Product name

Cyclen

Product Synonyms

1,4,7,10-Tetraazacyclododecane

CAS No.

294-90-6

supplier name

Fisher Scientific UK

Emergency telephone

001-800-227-6701, +32 14 57 52 11, 001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887

Icons in SDS

GHS05 GHS07 GHS09

Company Information

company name

Fisher Scientific UK

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)

H302+H312, H314, H410

Hazard statements

Code

Statements

H302+H312

Harmful if swallowed or in contact with skin

Section 2

SECTION 2: Hazards identification

Physical State

Appearance/Odor

Powder Solid Off-white Odorless Emergency Overview Harmful if swallowed. Harmful in contact with skin. Causes severe skin burns and eye damage. Very toxic to aquatic life with long lasting effects. Hygroscopic Classification of the substance or mixture Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 4 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1 Label Elements

Signal word

Danger Hazard Statements H314 - Causes severe skin burns and eye damage H410 - Very toxic to aquatic life with long lasting effects H302 + H312 - Harmful if swallowed or in contact with skin

Prevention

P270 - Do not eat, drink or smoke when using this product P271 - Use only outdoors or in a well-ventilated area P264 - Wash face, hands and any exposed skin thoroughly after handling P280 - Wear protective gloves/protective clothing/eye protection/face protection

Response

P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower 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 P330 - Rinse mouth P310 - Immediately call a POISON CENTER or doctor P331 - Do NOT induce vomiting P362 + P364 - Take off contaminated clothing and wash it before reuse

Storage

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

Disposal

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

Other physicochemical hazards

Hygroscopic.

Health hazards

Harmful if swallowed. Harmful in contact with skin. Corrosive. Causes skin and eye burns.

Environmental hazards

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

This product does not contain any known or suspected endocrine disruptors.

2.1 Classification of the substance or mixture

Acute Oral Toxicity Category 4 Acute Dermal Toxicity Category 4 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1

SDS Library

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Up-to-date – Your SDS get updated to latest versions.
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Safety – One-click access to first aid information.
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Labels – Generate Secondary Container Labels with just one click.