KRYPTOFIX(R) 221
Synonym(s):4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane;Kryptofix 221
- CAS NO.：31364-42-8
- Empirical Formula: C16H32N2O5
- Molecular Weight: 332.44
- MDL number: MFCD00005108
- EINECS: 250-592-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 06:01:05
What is KRYPTOFIX(R) 221?
Chemical properties
Clear colorless to yellow liquid
The Uses of KRYPTOFIX(R) 221
4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane is used as a phase transfer catalysts by transferring ions from one phase to another. It is involved in the synthesis of alkalides and electrides.
The Uses of KRYPTOFIX(R) 221
4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane is a cryptand which is capable of forming complexes with metal cations. It is used to bind or trap cationic guests such as Na+, Cd2+, Zn2+ and Eu3+.
Properties of KRYPTOFIX(R) 221
| Boiling point: | 465.4±40.0 °C(Predicted) |
| Density | 1.111 g/mL at 20 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Store at +2°C to +8°C. |
| form | Liquid |
| pka | 7.23±0.20(Predicted) |
| color | Pale yellow |
| Water Solubility | Miscible with water. |
| Sensitive | Light Sensitive |
| BRN | 616444 |
Safety information for KRYPTOFIX(R) 221
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position 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. Continuerinsing. P405:Store locked up. |
Computed Descriptors for KRYPTOFIX(R) 221
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