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| CAS No.: | 96-91-3 |
|---|---|
| Name: | Picramic acid |
| Molecular Structure: | |
|
|
|
| Formula: | C6H5N3O5 |
| Molecular Weight: | 199.123 |
| Synonyms: | 1-Amino-2-hydroxy-3,5-dinitrobenzene;1-Amino-3,5-dinitro-2-hydroxybenzene;1-Hydroxy-2-amino-4,6-dinitrobenzene;2,4-Dinitro-6-aminophenol;2-Amino-4,6-dinitrophenol;4,6-Dinitro-2-aminophenol;6-Amino-2,4-dinitrophenol;C.I. Oxidation Base 21;Fourrine 4R;Fourrine 93;Furro 4R;NSC 36939;NSC 4861;Zoba 4R; |
| EINECS: | 202-544-6 |
| Density: | 1.749 g/cm 3 |
| Melting Point: | 169 °C |
| Boiling Point: | 386.3 °C at 760 mmHg |
| Flash Point: | 187.5 °C |
| Solubility: | water: <0.1 g/100 mL at 20.5 °C |
| Appearance: | dark red crystals |
| Hazard Symbols: |
 E, Xn
|
| Risk Codes: | 1-20/21/22-52/53 |
| Safety: | 35-61 |
| Transport Information: | UN 3317 |
| PSA: | 137.89000 |
| LogP: | 2.41840 |
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| Conditions | Yield |
|---|---|
| With sulfur; sodium hydroxide In methanol; water at 80℃; for 8h; Green chemistry; | 87% |
| With ethanol; hydrogen sulfide; ammonia | |
| With sodium hydrogensulfide in der Waerme; |
- 96-91-3
picramic acid
| Conditions | Yield |
|---|---|
| With acetic acid In water at 60℃; Inert atmosphere; | 79% |
| Conditions | Yield |
|---|---|
| With sulfuric acid; nitric acid at 0 - 5℃; | 40% |
- 75802-61-8
dopamine picrate
- 96-91-3
picramic acid
| Conditions | Yield |
|---|---|
| at 250℃; for 5h; | 8% |
- 13316-89-7
benzoic acid-(2-hydroxy-3,5-dinitro-anilide)
- 96-91-3
picramic acid
| Conditions | Yield |
|---|---|
| With hydrogenchloride at 140℃; | |
| With hydrogenchloride at 130℃; |
| Conditions | Yield |
|---|---|
| With methanol; sodium hydrogensulfide | |
| With water; sodium disulfide |
- 64-17-5
ethanol
- 7783-06-4
hydrogen sulfide
- 7664-41-7
ammonia
- 88-89-1
2,4,6-Trinitrophenol
- 96-91-3
picramic acid
| Conditions | Yield |
|---|---|
| und im Wasserstoff-Strom erhitztes Aluminium (in Kaeltemischung); |
- Total:18 Page 1 of 1 1
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Chemistry
IUPAC Name: Picramic acid
The MF of Picramic acid (96-91-3) is C6H5N3O5.
The MW of Picramic acid (96-91-3) is 199.12.
Synonyms of Picramic acid (96-91-3): Phenol, 2-amino-4,6-dinitro- ; 1-Amino-2-hydroxy-3,5-dinitrobenzene ; 2,4-Dinitro-6-aminophenol ; 2-Amino-4, 6-dinitrophenol ; 4, 6-Dinitro-2-aminophenol ; 2-Hydroxy-3,5-dinitroaniline
Product Categories: Intermediates of Dyes and Pigments
Form: dark red crystals
Index of Refraction: 1.73
EINECS: 202-544-6
Density: 1.749 g/ml
Flash Point: 187.5 °C
Boiling Point: 386.3 °C
Melting Point: 169 °C
Water Solubility: <0.1 g/100 mL at 20.5 ºC
Merck: 7409
Stability: Stable
Uses
Picramic acid (96-91-3) is used as dye intermediates and indicator.
Toxicity Data With Reference
| 1. | mmo-sat 5 µmol/plate | NEZAAQ Nippon Eiseigaku Zasshi. Japanese Journal of Hygiene. 38 (1983),533. | ||
| 2. | mma-sat 5 µmol/plate | NEZAAQ Nippon Eiseigaku Zasshi. Japanese Journal of Hygiene. 38 (1983),533. | ||
| 3. | ivn-dog LDLo:150 mg/kg | AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. 50 (1935),20. | ||
| 4. | ipr-pgn LDLo:140 mg/kg | AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. 50 (1935),20. |
Safety Profile
Poison by intravenous and intraperitoneal routes. Mutation data reported. Combustible when exposed to heat, flame or oxidizers. A powerful explosive when dry. May explode when shocked or heated. When heated to decomposition it emits toxic fumes of NOx. See also EXPLOSIVES, HIGH.
Safety information of Picramic acid (96-91-3):
Hazard Codes .gif){kind=small}
E,.gif){kind=small}
Xn
Risk Statements
1 Explosive when dry
20/21/22 Harmful by inhalation, in contact with skin and if swallowed
52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements
35 This material and its container must be disposed of in a safe way
61 Avoid release to the environment. Refer to special instructions safety data sheet
RIDADR 3317
RTECS SJ5800000
HazardClass 4.1
PackingGroup II