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
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