2-Nitro-1-naphthol (607-24-9) is called for 2-Nitronaphth-1-ol ; 2-Nitro-2-naphthol ; 1-Naphthalenol, 2-nitro- ; 2-Nitronaphthalen-1-ol ; 161152_ALDRICH ; NSC43140 ; CID69083 ; JFD00259 ,and so on. 2-Nitro-1-naphthol (607-24-9) is usually yellow-green to ochre-brown powder.

IUPAC Name: 2-Nitronaphthalen-1-ol
CAS: 607-24-9
Molecular Formula: C₁₀H₇NO₃
Molecular Weight: 189.17
Molecular structure:
EINECS: 210-131-7
Melting point:  123-125 °C(lit.)
ACD/LogD (pH 5.5): 2.85 
ACD/LogD (pH 7.4): 1.66 
ACD/BCF (pH 5.5): 81.96 
ACD/BCF (pH 7.4): 5.27 
ACD/KOC (pH 5.5): 768.5 
ACD/KOC (pH 7.4): 49.38 
H bond acceptors: 4
H bond donors: 1 
Freely Rotating Bonds: 2 
Index of Refraction: 1.714 
Molar Refractivity: 52.52 cm³ 
Molar Volume: 133.8 cm³ 
Polarizability: 20.82 10^-24cm³ 
Surface Tension: 66.1 dyne/cm 
Density: 1.413 g/cm³ 
Flash Point: 149.9 °C 
Enthalpy of Vaporization: 60.29 kJ/mol 
Boiling Point: 336.7 °C at 760 mmHg 
Vapour Pressure: 5.65E-05 mmHg at 25°C 

 2-Nitro-1-naphthol (607-24-9) is commonly used as organic intermediate.

Hazard Codes:  Xi
Risk Statements:  36/37/38 (36/37/38:  Irritating to eyes, respiratory system and skin)
Safety Statements:  26-37/39-24/25-36 (26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 37/39:  Wear suitable gloves and eye/face protection 24/25:  Avoid contact with skin and eyes 36:  Wear suitable protective clothing)
WGK Germany:  3
Hazard Note:  Irritant

Removal in wastewater treatment of 2-Nitro-1-naphthol (607-24-9) can be stated as follows:
Total removal:6.47  percent
Total biodegradation:0.13  percent
Total sludge adsorption:6.30  percent
Total to Air:0.04  percent
(using 10000 hr Bio P,A,S)