Introduction：Basic information about Picramic acid CAS 96-91-3, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Picramic acid Basic information
| Product Name: | Picramic acid |
| Synonyms: | fourrine93;Furro 4R;furro4r;Oxidation Base 21;Phenol, 2-amino-4,6-dinitro-;picramic;Zoba 4R;zoba4r |
| CAS: | 96-91-3 |
| MF: | C6H5N3O5 |
| MW: | 199.12 |
| EINECS: | 202-544-6 |
| Product Categories: | Intermediates of Dyes and Pigments |
| Mol File: | 96-91-3.mol |
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Picramic acid Chemical Properties
| Melting point | 169°C |
| Boiling point | 336.62°C (rough estimate) |
| density | 1.6937 (rough estimate) |
| vapor pressure | 0-0Pa at 25℃ |
| refractive index | 1.6910 (estimate) |
| solubility | Chloroform (Slightly), Water (Slightly) |
| form | Solid |
| color | Red to Dark Red |
| Water Solubility | <0.1 g/100 mL at 20.5 ºC |
| Merck | 14,7409 |
| Stability: | Stable. Combustible - burns rapidly: dangerous fire risk. Do not subject to shock, friction or heat. Incompatible with strong oxidizing agents. |
| Cosmetics Ingredients Functions | HAIR DYEING |
| LogP | 0.93 at 25℃ |
| CAS DataBase Reference | 96-91-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Picramic acid(96-91-3) |
| EPA Substance Registry System | Picramic acid (96-91-3) |
Safety Information
| Hazard Codes | E,Xn,F |
| Risk Statements | 1-20/21/22-52/53-11 |
| Safety Statements | 35-61-36/37 |
| RIDADR | 3317 |
| RTECS | SJ5800000 |
| HazardClass | 4.1 |
| PackingGroup | II |
| Hazardous Substances Data | 96-91-3(Hazardous Substances Data) |
Picramic acid Usage And Synthesis
| Chemical Properties | dark red crystals |
| Uses | manufacture of azo dyes; rarely as indicator (yellow with acids, red with alkalies); reagent for albumin. |
| General Description | Dark red needles or prisms. Red crystals. Water insoluble. Explosive in the dry state but desensitized by wetting. Easily ignited and once ignited burn readily. |
| Air & Water Reactions | Highly flammable. Insoluble in water. |
| Reactivity Profile | Picramic acid should not be subjected to strong shock or heat, and is a dangerous fire risk. Picramic acid reacts with strong oxidizing agents. . Explodes if dried and exposed to heat, flame, friction or shock. Wetting greatly reduces this tendency. Treat as an explosive. Mixing with reducing agents, including hydrides, sulfides, nitrides, and alkali metals may lead to a vigorous reaction that culminates in a detonation. May explode in the presence of a base such as sodium hydroxide or potassium hydroxide, even in the presence of water or organic solvents. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. An amino acid (reacts as an acid with bases and as a base with acids). |
| Fire Hazard | Picramic acid ignites rapidly and burns relatively fast. |
| Flammability and Explosibility | Non flammable |
Picramic acid Preparation Products And Raw materials
| Raw materials | N-(2-hydroxyphenyl)benzamide-->Benzamide, N-[2-(benzoyloxy)phenyl]--->2-amino-6-nitro-phenol-->2,4-Dinitrophenol-->Sodium 2,4,6-trinitrophenate-->2-Amino-4-nitrophenol-->Water-->2-Aminophenol-->PICRIC ACID |
| Preparation Products | Leuco sulfur black 2 (C.I. 53195)-->6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt-->Mordant Brown 49-->Mordant Brown 66-->Acid Brown 265-->Mordant Brown 11-->MORDANT BROWN 4-->sodium 4-amino-5-hydroxy-6-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-1-sulphonate-->MORDANT BROWN 24-->2-[(2,4-diaminophenyl)azo]-4,6-dinitrophenol-->Mordant Brown 61 |
