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| CAS No.: | 82-71-3 |
|---|---|
| Name: | 2,4,6-TRINITRORESORCINOL |
| Article Data: | 84 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H3 N3 O8 |
| Molecular Weight: | 245.105 |
| Synonyms: | Resorcinol,2,4,6-trinitro- (7CI,8CI); Styphnic acid (6CI);1,3-Dihydroxy-2,4,6-trinitrobenzene; 2,4,6-Trinitro-1,3-benzenediol;2,4,6-Trinitroresorcinol; 2,4-Dihydroxy-1,3,5-trinitrobenzene;3-Hydroxy-2,4,6-trinitrophenol; NSC 36932 |
| Density: | 2.012g/cm3 |
| Melting Point: | 175.5°; mp 179-180° |
| Boiling Point: | 292.6°C at 760 mmHg |
| Flash Point: | 126.8°C |
| Solubility: | 5.4g/L(25 oC) |
| Hazard Symbols: | Severe explosion risk when heated. |
| Risk Codes: | 2-4-20/21/22 |
| Safety: | Very explosive. Upon decomposition it emits toxic fumes of NOx. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS and EXPLOSIVES, HIGH. |
| PSA: | 177.92000 |
| LogP: | 2.39200 |
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| Conditions | Yield |
|---|---|
| With sulfuric acid; nitric acid; urea at -10 - 0℃; for 1.5h; | A 60% B n/a |
| With nitric acid man giesst auf Eis, zieht den gebildeten Niederschlag mit Alkohol aus und kocht mit Salzsaeure; |
- 108-58-7
Resorcinol diacetate
A
- 616-74-0
4,6-dinitroresorcinol
B
- 82-71-3
styphnic acid
C
- 3163-07-3
4-nitroresorcinol
| Conditions | Yield |
|---|---|
| With nitric acid; urea at -10 - 5℃; for 2h; | A 44% B n/a C n/a |
| Conditions | Yield |
|---|---|
| durch Nitrierung und Verseifung des Diacetats mit Natronlauge; |
| Conditions | Yield |
|---|---|
| With sulfuric acid; nitric acid |
| Conditions | Yield |
|---|---|
| With sulfuric acid; nitric acid |
| Conditions | Yield |
|---|---|
| With nitric acid | |
| Multi-step reaction with 2 steps 1: durch Nitrieren 2: nitric acid View Scheme | |
| Multi-step reaction with 2 steps 1: HNO3+H2SO4 2: water View Scheme |
| Conditions | Yield |
|---|---|
| With sulfuric acid; nitric acid |
| Conditions | Yield |
|---|---|
| With nitric acid |
- 329-71-5
2,5-dinitrophenol
A
- 82-71-3
styphnic acid
B
- 610-26-4
2,4,5-trinitrophenol
C
- 603-10-1
2,3,6-trinitrophenol
| Conditions | Yield |
|---|---|
| beim Nitrieren; |
| Conditions | Yield |
|---|---|
| With nitric acid |
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- Total:25 Page 1 of 1 1
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Chemistry
IUPAC Name:2,4,6-Trinitrobenzene-1,3-diol
Synonyms: 1,3-Benzenediol, 2,4,6-trinitro- ; 1,3-Benzenediol,2,4,6-trinitro- ; 1,3-Dihydroxy-2,4,6-trinitrobenzene ; 2,4,6-Trinitro-1,3-benzendiol ; 2,4,6-Trinitro-1,3-benzenediol ; 2,4,6-Trinitro-3-benzenediol ; 2,4-Dihydroxy-1,3,5-trinitrobenzene ; 3-Hydroxy-2,4,6-trinitrophenol
CAS: 82-71-3
Molecular Formula: C6H3N3O8
Molecular Weight: 245.1
Molecular Struture:
EINECS: 201-436-6
Mol File: 82-71-3.mol
Appearance:A yellowish, crystalline
solidIndex of Refraction: 1.75
Surface Tension: 120.6 dyne/cm
Density: 2.012 g/cm3
Flash Point: 126.8 °C
Enthalpy of Vaporization: 55.34 kJ/mol
Boiling Point: 292.6 °C at 760 mmHg
Vapour Pressure: 0.00104 mmHg at 25°C
Uses
Styphnic acid (82-71-3) is used as analytical reagents, detection of potassium, thallium, ammonium ions. Also with the silver, mercury, bismuth ions yellow precipitate. lead salt of it is used as explosives.
Production
Styphnic acid (82-71-3) can be derived by the way of cold nitric acid reacting on the resorcinol or resorcinol.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes E.gif){kind=small}
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Risk Statements 2-4-20/21/22
2: Risk of explosion by shock, friction, fire or other sources of ignition
4: Forms very sensitive explosive metallic compounds
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements 35
35: Styphnic acid (82-71-3) and its container must be disposed of in a safe way
RIDADR 0219
HazardClass 1.1D
Standards and Recommendations
DOT Classification: EXPLOSIVE 1.1D; Label: EXPLOSIVE 1.1D
Specification
General Description :A yellowish, crystalline solid. May explode under exposure to heat or fire. Primary hazard is blast of an instantaneous explosion, not flying projectiles or fragments. Used as a priming agent. Very sensitive to heat. Water is added to lessen the explosion hazard.
Reactivity Profile :Aromatic nitro compounds, such as Trinitroresorcinol, range from slight to strong oxidizing agents. If mixed with reducing agents, including hydrides, sulfides and nitrides, they may begin a vigorous reaction that culminates in a detonation. The aromatic nitro compounds may explode in the presence of a base such as sodium hydroxide or potassium hydroxide even in the presence of water or organic solvents. The explosive tendencies of aromatic nitro compounds are increased by the presence of multiple nitro groups.
Health Hazard :Fire may produce irritating, corrosive and/or toxic gases.
Fire Hazard : Styphnic acid (82-71-3) may explode and throw fragments 1600 meters (1 mile) or more if fire reaches cargo.