COUMARIN 7
Synonym(s):3-(2-Benzimidazolyl)-7-(diethylamino)coumarin
- CAS NO.：27425-55-4
- Empirical Formula: C20H19N3O2
- Molecular Weight: 333.38
- MDL number: MFCD00051348
- EINECS: 248-451-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-03-06 11:42:52
What is COUMARIN 7?
Chemical properties
bright yellow powder
The Uses of COUMARIN 7
Coumarin is also known as benzoαpyrone. Coumarin 7 is a laser dye that is usually found in the nature. Dyes and metabolites.
Flammability and Explosibility
Non flammable
Properties and Applications
|
TEST ITEMS |
SPECIFICATION |
|
APPEARANCE |
BRILLIANT YELLOW |
|
SHADE |
BLUISH |
|
HEAT RESISTANCE |
260 °C min |
|
LIGHT FASTNESS |
5-6 |
|
ACID RESISTANCE |
4 |
|
ALKALI RESISTANCE |
5 |
|
WATER RESISTANCE |
5 |
|
DENSITY |
1.20 g/cm 3 |
|
RESIDUE ON 80 MESH |
5.0% max |
|
WATER SOLUBLE |
1.0% max |
|
VOLATITE 105 °C |
1.0% max |
|
TINTING STRENGTH |
100-105 % |
|
WEIGHT METAL TOTAL |
50ppm max |
Properties of COUMARIN 7
| Melting point: | 234-237 °C(lit.) |
| Boiling point: | 470.35°C (rough estimate) |
| Density | 1.2071 (rough estimate) |
| refractive index | 1.6200 (estimate) |
| storage temp. | -20°C |
| solubility | DMF: 1 mg/ml; DMSO: 1 mg/ml; Ethanol: insol; PBS (pH 7.2): insol |
| pka | 10.83±0.10(Predicted) |
| form | Powder |
| color | Bright yellow |
| CAS DataBase Reference | 27425-55-4(CAS DataBase Reference) |
| EPA Substance Registry System | 2H-1-Benzopyran-2-one, 3-(1H-benzimidazol-2-yl)-7-(diethylamino)- (27425-55-4) |
Safety information for COUMARIN 7
| 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 COUMARIN 7
COUMARIN 7 manufacturer
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