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CAS No.: | 7385-67-3 |
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Name: | NILE RED |
Article Data: | 11 |
Molecular Structure: | |
Formula: | C20H18 N2 O2 |
Molecular Weight: | 318.375 |
Synonyms: | 9-(Diethylamino)-5H-benzo[a]phenoxazin-5-one;A 84655; Nile Blue A oxazone; Nile red; Phenoxazone 9 |
EINECS: | 230-966-0 |
Density: | 1.23g/cm3 |
Melting Point: |
203-205 °C(lit.) |
Boiling Point: | 484.7°C at 760 mmHg |
Flash Point: | 246.9°C |
Solubility: | Toxicity data (The meaning of any abbre">
Stability
Toxicology
Toxicity data |
Appearance: | solid |
Safety: | 279110 |
PSA: | 46.34000 |
LogP: | 4.29220 |
Conditions | Yield |
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In toluene at 120℃; for 12h; Inert atmosphere; | 79.1% |
In N,N-dimethyl-formamide at 150℃; for 4h; Inert atmosphere; | 21% |
Nile Red
Conditions | Yield |
---|---|
With L-Cysteine In dimethyl sulfoxide at 20℃; for 0.166667h; pH=7.4; Reagent/catalyst; |
Conditions | Yield |
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In N,N-dimethyl-formamide at 80℃; for 16h; | 80% |
Conditions | Yield |
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Stage #1: 3-diethylaminophenol With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 4h; Stage #2: α-naphthol In N,N-dimethyl-formamide at 70℃; for 8h; | 505 mg |
Stage #1: 3-diethylaminophenol With hydrogenchloride; sodium nitrite In ethanol; water at 0 - 5℃; for 4h; Stage #2: α-naphthol In ethanol; water; N,N-dimethyl-formamide at 80℃; for 4h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium nitrite; hydrogenchloride / 4 h / 0 °C 2: toluene / 12 h / 120 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: sodium nitrite; hydrogenchloride / water / 1.5 h / 0 °C 2: N,N-dimethyl-formamide / 4 h / 150 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 150℃; | 15% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 4h; Reflux; | 24% |
Conditions | Yield |
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With L-Cysteine |
Nile Red
Conditions | Yield |
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With sulfuric acid; xylene |
Nile Red
Conditions | Yield |
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With hydrogenchloride; xylene |
Molecular Structure:
Molecular Formula: C20H18N2O2
Molecular Weight: 318.3691
IUPAC Name: 9-(Diethylamino)benzo[a]phenoxazin-5-one
Synonyms of Nile red (CAS NO.7385-67-3): 9-(Diethylamino)-5H-benzo(a)phenoxazin-5-one ; EINECS 230-966-0 ; 5H-Benzo(a)phenoxazin-5-one, 9-(diethylamino)- ; 9-(Diethylamino)benzo(a)phenoxazin-5(5H)-one
CAS NO: 7385-67-3
Classification Code: Coloring Agents ; Fluorescent dyes ; Indicators and Reagents ; Luminescent Agents
Melting point: 203-205 °C
Index of Refraction: 1.643
Molar Refractivity: 93.4 cm3
Molar Volume: 257.9 cm3
Surface Tension: 45.7 dyne/cm
Density: 1.23 g/cm3
Flash Point: 246.9 °C
Enthalpy of Vaporization: 75.01 kJ/mol
Boiling Point: 484.7 °C at 760 mmHg
Vapour Pressure of Nile red (CAS NO.7385-67-3): 1.5E-09 mmHg at 25°C
Safety Statements of Nile red (CAS NO.7385-67-3): 24/25
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3
F: 8-10