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Published TCIMAIL newest issue No.197
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CAS RN: 294-90-6 | Product Number: T1874
1,4,7,10-Tetraazacyclododecane
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Purity: >97.0%(GC)(T)
Synonyms:
- Cyclen
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 1G |
£86.00
|
Contact Us | ≥60 |
|
| 5G |
£276.00
|
2 | ≥100 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | T1874 |
| Purity / Analysis Method | >97.0%(GC)(T) |
| Molecular Formula / Molecular Weight | C__8H__2__0N__4 = 172.28 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Hygroscopic |
| CAS RN | 294-90-6 |
| Reaxys Registry Number | 606114 |
| PubChem Substance ID | 87558626 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(GC) | min. 97.0 % |
| Purity(Neutralization titration) | min. 97.0 % |
| Melting point | 110.0 to 114.0 °C |
Properties (reference)
| Melting Point | 111 °C |
| Solubility in water | Soluble |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H302 + H312 : Harmful if swallowed or in contact with skin. H314 : Causes severe skin burns and eye damage. H410 : Very toxic to aquatic life with long lasting effects. |
| Precautionary Statements | P273 : Avoid release to the environment. P260 : Do not breathe dust. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P391 : Collect spillage. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. 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. |
Related Laws:
| RTECS# | XA5253000 |
Transport Information:
| UN Number | UN3259 |
| Class | 8 |
| Packing Group | II |
| HS Number | 2933998090 |
Application
Cyclen-catalyzed Henry reaction (nitroaldol reaction)
Typical procedure: Nitromethane (122 mg) is added to the solution of benzaldehyde (106 mg) in THF (1 mL). Then, cyclen (8.6 mg) is added. The solution is stirred at room temperature for 24 h. Volatile components are removed under reduced pressure and the residue is purified by chromatography on silica gel (eluent: pentane/diethyl ether) to give 2-nitro-1-phenylethanol (134 mg, 80 %).
References
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