1,4,7,10-tetraazacyclododecane CAS 294-90-6

Product Description:

Product Name: 1,4,7,10-tetraazacyclododecane CAS NO: 294-90-6

Synonyms:

Kryptofix 11 aza;

10-Tetraazacyclododecane;

Tetraazacyclododecane (Cyclen);

Chemical & Physical Properties:

Appearance: Off- white to slightly yellow crystalline powder

Assay :≥98.0%+

Density: 0.874 g/cm3

Boiling Point: 283.8℃ at 760 mmHg

Melting Point: 108-113℃

Flash Point: 129.5℃

Stability: Stable at room temperature in closed containers under normal storage and handling conditions.

Storage Condition: Refrigerator

Vapor Pressure: 0.00309mmHg at 25℃

Safety Information:

Signal Word: Danger

Symbols: GHS05, GHS07, GHS09

Safety Statements: S26-S36

Packing Group: I; II; III

WGK Germany: 3

RTECS: XA5253000

Risk Statements: R36/38

Hazard Code: Xi

HS Code: 2933990090

Hazard Declaration: H302; H312; H314; H410

Caution Statements: P273; P280; P305 + P351 + P338; P310; P501

Cyclen or 1,4,7,10-tetraazacyclododecane is a macrocycle and the aza analogue of the crown eth-er 12-crown-4. Derivatives of cyclen are larger cyclic polyamines but the repeating unit (ethyleneimine, –CH2CH2NH–) is always the same. Like crown eth-ers, cyclen compounds are capable of selectively binding cations. They are used as a ligand in chemistry for instance with chemicals used in MRI contrast agents.

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