IUPAC Name: 5-Chloro-2-nitrobenzoic acid
Molecular Formula: C₇H₄ClNO₄
Molecular Weight: 201.57 g/mol
SMILES: c1(c(cc(Cl)cc1)C(O)=O)[N+](=O)[O-]
InChI: InChI=1/C7H4ClNO4/c8-4-1-2-6(9(12)13)5(3-4)7(10)11/h1-3H,(H,10,11)
EINECS: 219-738-1
Product Categories: FINE Chemical & INTERMEDIATES; Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Benzene series; Organic acids; C7; Carbonyl Compounds; Carboxylic Acids
Index of Refraction: 1.627 
Molar Refractivity: 44.62 cm³ 
Molar Volume: 125.7 cm³
Surface Tension: 67.7 dyne/cm 
Density: 1.602 g/cm³ 
Flash Point: 172.8 °C 
Enthalpy of Vaporization: 64.14 kJ/mol 
Boiling Point: 362 °C at 760 mmHg 
Melting Point: 137-139 °C(lit.)
Water Solubility: Slightly Soluble
Vapour Pressure of 5-Chloro-2-nitrobenzoic acid (CAS NO.2516-95-2): 7.1E-06 mmHg at 25 °C

Hazard Codes: Xi,N,Xn
Risk Statements: 36/37/38-50/53-41-37/38-22 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R41:Risk of serious damage to the eyes. 
R37/38:Irritating to respiratory system and skin. 
R22:Harmful if swallowed.
Safety Statements: 22-24/25-61-60-36/37/39-26-36 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S60:This material and its container must be disposed of as hazardous waste. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
Hazard Note of 5-Chloro-2-nitrobenzoic acid (CAS NO.2516-95-2): Irritant

 5-Chloro-2-nitrobenzoic acid (CAS NO.2516-95-2), its Synonyms are Benzoic acid, 5-chloro-2-nitro- ; 5-Chloro-2-nitro-benzoicaci ; 2-Nitro-5-chlorobenzoic acid . It is light yellow to yellowish-green crystalline powder.