IUPAC Name: 2,4-Dichloro-3-ethyl-6-nitrophenol
Synonyms of 2,4-Dichloro-3-ethyl-6-nitrophenol (CAS NO.99817-36-4): Phenol,2,4-dichloro-3-ethyl-6-nitro- ; 2-Nitro-4,6-dichloro-5-ethylphenol ; Phenol,2,4-dichloro-3-ethyl-6-nitro-
CAS NO: 99817-36-4
Molecular Formula: C₈H₇Cl₂NO₃
Molecular Weight: 236.05
Molecular Structure:
H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 3
Polar Surface Area: 55.05 Å²
Index of Refraction: 1.607
Molar Refractivity: 54.01 cm³
Molar Volume: 156.4 cm³
Surface Tension: 55 dyne/cm
Density: 1.509 g/cm³
Flash Point: 129.8 °C
Enthalpy of Vaporization: 55.17 kJ/mol
Boiling Point: 291 °C at 760 mmHg
Vapour Pressure: 0.00115 mmHg at 25°C 
Product Categories of 2,4-Dichloro-3-ethyl-6-nitrophenol (CAS NO.99817-36-4): Phenoles and thiophenoles 
SMILES: Clc1c(c(Cl)cc([N+]([O-])=O)c1O)CC
InChI: InChI=1/C8H7Cl2NO3/c1-2-4-5(9)3-6(11(13)14)8(12)7(4)10/h3,12H,2H2,1H3
InChIKey: YTVCECQSAPGJBB-UHFFFAOYAT
Std. InChI: InChI=1S/C8H7Cl2NO3/c1-2-4-5(9)3-6(11(13)14)8(12)7(4)10/h3,12H,2H2,1H3
Std. InChIKey: YTVCECQSAPGJBB-UHFFFAOYSA-N

Safety Information about 2,4-Dichloro-3-ethyl-6-nitrophenol (CAS NO.99817-36-4):
Hazard Codes: T,N,Xi
Risk Statements: 20/21-36/37/38-65-50/53-43-41-25 
R20/21: Harmful by inhalation and in contact with skin. 
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. 
R25: Toxic if swallowed. 
R41: Risk of serious damage to the eyes. 
R43: May cause sensitization by skin contact. 
R65: Harmful: may cause lung damage if swallowed.
Safety Statements: 26-36/37/39-61-60-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S60: This material and its container must be disposed of as hazardous waste. 
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN2811
HazardClass: 6.1
PackingGroup: III