Cryptocyanine
Synonym(s):Cryptocyanine;Kryptocyanine
- CAS NO.：4727-50-8
- Empirical Formula: C25H25IN2
- Molecular Weight: 480.38
- MDL number: MFCD00011970
- EINECS: 225-224-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-31 16:37:55
What is Cryptocyanine?
Chemical properties
1,1'-DIETHYL-4,4'-CARBOCYANINE IODIDE is dark green fine crystalline powder
The Uses of Cryptocyanine
Organic dye, soluble, used as a chemical shutter in laser operation.
The Uses of Cryptocyanine
Suitable as laser dye
Definition
1,1'-DIETHYL-4,4'-CARBOCYANINE IODIDE is a cationic C3-cyanine type compound with 1-ethylquinolin-4-yl groups at both ends.
Properties of Cryptocyanine
| Melting point: | 250.5-253 °C(lit.) |
| Density | 1.3683 (estimate) |
| storage temp. | 0-6°C |
| solubility | soluble in Ethanol |
| form | Powder |
| color | Green |
| Sensitive | Light Sensitive |
| CAS DataBase Reference | 4727-50-8(CAS DataBase Reference) |
| EPA Substance Registry System | Cryptocyanine iodide (4727-50-8) |
Safety information for Cryptocyanine
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H300:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Cryptocyanine
New Products
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![6-[(DIETHYLAMINO)CARBONYL]-4-((E)-3-[6-[(DIETHYLAMINO)CARBONYL]-1-ETHYL-4(1H)-QUINOLINYLIDENE]-1-PROPENYL)-1-ETHYLQUINOLINIUM IODIDE](https://img.chemicalbook.in/CAS/GIF/91776-83-9.gif)
![6-[(DIETHYLAMINO)SULFONYL]-4-((E)-3-[6-[(DIETHYLAMINO)SULFONYL]-1-ETHYL-4(1H)-QUINOLINYLIDENE]-1-PROPENYL)-1-ETHYLQUINOLINIUM IODIDE](https://img.chemicalbook.in/CAS/GIF/91776-86-2.gif)
![1-ETHYL-4-((E)-3-[1-ETHYL-6-(METHOXYCARBONYL)-4(1H)-QUINOLINYLIDENE]-1-PROPENYL)-6-(METHOXYCARBONYL)QUINOLINIUM IODIDE](https://img.chemicalbook.in/CAS/GIF/91776-84-0.gif)
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