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Technical Data Sheet BASIC ORANGE 21

Compound Information
Product Name: BASIC ORANGE 21
CAS No.: 3056-93-7
Molecular Formula: C22H23ClN2
Molecular Weight: 350.88
Revision Date: 2026-04-15
Analytical Information
Tests Specifications
Appearance Red powder
Solution (Color) Red-orange
Solution (Turbidity) Clear to hazy
Absorbance Ratio (3) 487 - 493 nm
Absorption Excitation (1) 268 - 274 nm
Extinction Coefficient (1) ≥ 3000
Absorption Excitation (2) 282 - 288 nm
Extinction Coefficient (2) ≥ 3000
Extinction Coefficient (3) ≥ 19000
Carbon 30.0 - 60.0%
Nitrogen ≥ 3.0%
MS Pass test
IR Pass test
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