532-82-1
Chrysoidin
CAS: 532-82-1
Molecular Formula: C12H13ClN4
532-82-1 - Names and Identifiers
| Name | Chrysoidin |
| Synonyms | Chrysoidin C.I. 11270 CHYSOIDINE G BASIC ORANGE Chrysoidine G Chrysoidine Y BASIC ORANGE 2 Basic Orange 2 chrysoidine orange C.I. Basic Orange 3 C.I. Basic Orange 2 chrysoidin (C.I. 11270) Chrysoidine hydrochloride 2,4-DIAMINOAZOBENZENE HYDROCHLORIDE C.I. Basic Orange 2, monohydrochloride C.I. Basic Orange 2, monohydrochloride (8CI) 4-PHENYLAZO-M-PHENYLENE DIAMINE HYDROCHLORIDE 4-Phenylazo-m-phenylenediamine monohydrochloride 4-PHENYLAZO-1,3-PHENYLENEDIAMINE MONOHYDROCHLORIDE 4-Phenylazo-1,3-phenylenediamine monohydrochloride 1,3-BENZENEDIAMINE, 4-(PHENYLAZO), MONOHYDROCHLORIDE 4-[(Z)-phenyldiazenyl]benzene-1,3-diamine hydrochloride |
| CAS | 532-82-1 |
| EINECS | 208-545-8 |
| InChI | InChI=1/C12H12N4.ClH/c13-9-6-7-12(11(14)8-9)16-15-10-4-2-1-3-5-10;/h1-8H,13-14H2;1H/b16-15- |
| InChIKey | MCTQNEBFZMBRSQ-GEEYTBSJSA-N |
532-82-1 - Physico-chemical Properties
| Molecular Formula | C12H13ClN4 |
| Molar Mass | 248.71 |
| Density | 1.2171 (rough estimate) |
| Melting Point | 235°C (dec.)(lit.) |
| Boling Point | 2262°C |
| Flash Point | 228.4°C |
| Solubility | Solubility Soluble in water, ethanol, acetone, methyl cellosolve, xylene; practically insoluble in Ibenzene |
| Vapor Presure | 1.2E-08mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | Bordeaux to deep purple |
| Odor | Odorless |
| Maximum wavelength(λmax) | ['449nm'] |
| Merck | 13,2279 |
| BRN | 3724653 |
| Storage Condition | room temp |
| Refractive Index | 1.6110 (estimate) |
| Physical and Chemical Properties | Flash brown-red crystal or powder. Soluble in water yellow orange, soluble in ethanol and ethylene glycol ether, acetone-soluble, insoluble in benzene. Melting point 118-118.5 °c. Strong sulfuric acid is yellow, dilute sulfuric acid is orange; The solution of Orange in nitric acid. A brown-red precipitate was produced in the sodium hydroxide dye solution. Dye tannin is yellow-orange in cotton fiber, and bright in tungsten filament. |
532-82-1 - Risk and Safety
| Risk Codes | R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R68 - Possible risk of irreversible effects R41 - Risk of serious damage to eyes R38 - Irritating to the skin R22 - Harmful if swallowed |
| Safety Description | 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. S46 - If swallowed, seek medical advice immediately and show this container or label. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S23 - Do not breathe vapour. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | ST3380000 |
| HS Code | 32129000 |
| Toxicity | mma-sat 50 mg/plate MUREAV 44,9,77 |
532-82-1 - Reference Information
| color index | 11270 |
| pH indicator color change ph range | Orange (4.0) to yellow (7.0) |
| main applications | Recording materials, waveguides, thin solid films, photographic materials, printing plates, inks, toners, detergents, corrosion inhibitors, rubber, textiles, hair dyes |
| (IARC) carcinogen classification | 3 (Vol. 8, Sup 7) 1987 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | alkaline orange is used for dyeing acrylic fiber and direct printing of fabric, and is also used for dyeing silk, wool and cotton fiber, with poor dyeing fastness. Basic orange 2 is mainly used for paint, plastic, ink, synthetic resin, ceramic body coloring, flat coloring, can also be used for cotton, acrylic, leather, paper, feather, leather, wood, bamboo and other products and silk dyeing. Used as acid-base indicator in biochemistry graduate students alkaline light yellow and alkaline orange 2 are used as pigments in food production and processing to make food bright in color and stable in color. They are used in chili powder, bean products, aquatic products and cooked meat products and other foods. |
| production method | diazotize aniline, then couple with m-phenylenediamine, and then dissolve, crystallize, and dry to obtain the finished product. Raw material consumption (kg/t) m-phenylenediamine (100%) 440 aniline 365 sodium nitrite 280 hydrochloric acid (31%) 1320 aniline and m-phenylenediamine are used as main raw materials, aniline is first diazotized, then coupled with m-phenylenediamine, and the finished product is obtained through crystallization, filtration and drying. add 200L of water, 317kg of hydrochloric acid (31%) and 70kg of aniline to a diazo pot, stir and cool to 0-5 ℃, add 20%-30% sodium nitrite solution within 45min, continue the reaction for 20-30min after adding, and determine the reaction end point with potassium iodide starch test paper. add 250L of water and 88.25kg of m-phenylenediamine into the coupling pot, stir, raise the temperature to 65 ℃ until the m-phenylenediamine is completely dissolved, then lower the temperature to -4 ℃, and adjust the pH value to 6-7 with hydrochloric acid. Start to slowly add the diazonium solution cooled to -4 ℃, maintain the reaction temperature not more than -2 ℃, and continue the reaction until the diazonium salt disappears. Then add half the amount of water, raise the temperature to 95 ℃, add 5kg hydrochloric acid, stir evenly, let stand, crystallize, filter, dry at 60 ℃ to obtain about 200kg of product. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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View History
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