CAS 27425-55-4 3-(2-Benzimidazolyl)-7-(diethylamino)coumarin

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3-(2-Benzimidazolyl)-7-(diethylamino)coumarin

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Catalog Number

ACM27425554

CAS Number

27425-55-4

Product Name

3-(2-Benzimidazolyl)-7-(diethylamino)coumarin

Category

Electroluminescence Materials; Organic Light-Emitting Diode (OLED) Materials; Coumarin Dyes

Synonyms

Coumarin 7

IUPAC Name

3-(1H-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one

Molecular Weight

333.39

Molecular Formula

C20H19N3O2

Canonical SMILES

CCN(CC)C1=CC2=C(C=C1)C=C(C(=O)O2)C3=NC4=CC=CC=C4N3

InChI

InChI=1S/C20H19N3O2/c1-3-23(4-2)14-10-9-13-11-15(20(24)25-18(13)12-14)19-21-16-7-5-6-8-17(16)22-19/h5-12H,3-4H2,1-2H3,(H,21,22)

InChI Key

GOLORTLGFDVFDW-UHFFFAOYSA-N

Melting Point

242 °C

Purity

>98.0%(T)(HPLC)

Appearance

White to Light yellow powder to crystal

Application

3-(2-Benzimidazolyl)-7-(diethylamino)coumarin, a bright yellow powder also known as Coumarin 7, serves primarily as a laser dye and is renowned for its exceptional performance in various applications. This compound is characterized by its bluish shade, impressive heat resistance of at least 260 °C, and excellent stability, with a light fastness rating of 5-6. It offers good acid and alkali resistance, rated at 4 and 5 respectively, and a water resistance rating of 5. Its density of 1.20 g/cm³ and minimal residue on 80 mesh, capped at 5.0%, demonstrate its purity and quality. Additionally, the product maintains a low water solubility and volatile content at 105 °C, both restricted to 1.0% maximum. Furthermore, it possesses a tinting strength of 100-105%, ensuring vibrant and consistent color performance, while adhering to safety standards with a total weight metal content of no more than 50ppm. These properties make it an ideal choice for various dyeing and laser applications.

Storage

Store under inert gas

Complexity

531

Covalently-Bonded Unit Count

EC Number

248-451-4;602-763-0

Exact Mass

333.147727g/mol

Formal Charge

Hazard Statements

H315 : Causes skin irritation.H319 : Causes serious eye irritation.

Heavy Atom Count

MDL Number

MFCD00051348

MeSH Entry Terms

coumarin 7

Monoisotopic Mass

333.147727g/mol

NSC Number

303254

Precautionary Statements

P264 : Wash skin thoroughly after handling.P280 : Wear protective gloves/ eye protection/ face protection.P337 + P313 : If eye irritation persists: Get medical advice/ attention.P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.P332 + P313 : If skin irritation occurs: Get medical advice/ attention.P362 : Take off contaminated clothing and wash before reuse.

Rotatable Bond Count

Signal Word

Warning

XLogP3

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