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Cas Database |
| Name |
2,3-Dinitrophenol |
EINECS | 200-628-7 |
| CAS No. | 66-56-8 | Density | 1.65 g/cm3 |
| PSA | 111.87000 | LogP | 2.25500 |
| Solubility | N/A | Melting Point |
143-146 °C |
| Formula | C6H4 N2 O5 | Boiling Point | 328.9 °C at 760 mmHg |
| Molecular Weight | 184.108 | Flash Point | 151.2 °C |
| Transport Information | UN 1320 | Appearance | N/A |
| Safety | Poison by intraperitoneal route. Inhalation of dust can be fatal. A skin irritant and an allergen. Mutation data reported. A powerful stimulant of the metabolism by excessive oxidation. For fire hazard, see NITRATES. Highly explosive when exposed to heat. It is used as a component of some shell and bomb charges. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS; and EXPLOSIVES, HIGH. | Risk Codes | 23/24/25-33-51/53 |
| Molecular Structure |
|
Hazard Symbols |
 T N
|
| Synonyms |
2,3-DNP;2,3-Dinitrophenol; NSC 156083 |
Article Data | 24 |
2,3-Dinitrophenol Chemical Properties
Empirical Formula of 2,3-Dinitrophenol (CAS NO.66-56-8): C6H4N2O5
Molecular Weight: 184.1064 g/mol
EINECS: 200-628-7
Index of Refraction: 1.66
Density: 1.65 g/cm3
Flash Point: 151.2 °C
Enthalpy of Vaporization: 59.4 kJ/mol
Boiling Point: 328.9 °C at 760 mmHg
Vapour Pressure: 9.62E-05 mmHg at 25 °C
Melting point: 143-146 °C
Structure of 2,3-Dinitrophenol (CAS NO.66-56-8):
IUPAC Name: 2,3-Dinitrophenol
2,3-Dinitrophenol Toxicity Data With Reference
| 1. | mmo-sat 250 µg/plate | SAIGBL Sangyo Igaku. Japanese Journal of Industrial Health. 29 (1987),34. | ||
| 2. | ipr-rat LD50:190 mg/kg | JPPMAB Journal of Pharmacy and Pharmacology. 11 (1959),462. | ||
| 3. | ipr-mus LD50:200 mg/kg | JPPMAB Journal of Pharmacy and Pharmacology. 11 (1959),462. | ||
| 4. | ipr-dog LDLo:1 g/kg | JPPMAB Journal of Pharmacy and Pharmacology. 11 (1959),462. |
2,3-Dinitrophenol Safety Profile
Poison by intraperitoneal route. Inhalation of dust can be fatal. A skin irritant and an allergen. Mutation data reported. A powerful stimulant of the metabolism by excessive oxidation. For fire hazard, see NITRATES. Highly explosive when exposed to heat. It is used as a component of some shell and bomb charges. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS; and EXPLOSIVES, HIGH.
Hazard Codes of 2,3-Dinitrophenol (CAS NO.66-56-8): 
T,
N
Risk Statements: 23/24/25-33-51/53
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
R33:Danger of cumulative effects.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 28-37-45-61
S28:After contact with skin, wash immediately with plenty of soap-suds.
S37:Wear suitable gloves.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
2,3-Dinitrophenol Specification
2,3-Dinitrophenol ,its cas register number is 66-56-8. It also can be called Phenol, 2,3-dinitro- ; and 6,5-Dinitrophenol .
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