128-95-0
1,4-Diaminoanthraquinone
CAS: 128-95-0;168681-27-4
Molecular Formula: C14H10N2O2
128-95-0 - Names and Identifiers
| Name | 1,4-Diaminoanthraquinone |
| Synonyms | 1,4-Diaminoanthraquinone 1,4-Diamino anthraquinone |
| CAS | 128-95-0 168681-27-4 |
| EINECS | 204-922-6 |
| InChI | InChI=1/C14H10N2O2/c15-9-5-6-10(16)12-11(9)13(17)7-3-1-2-4-8(7)14(12)18/h1-6H,15-16H2 |
128-95-0 - Physico-chemical Properties
| Molecular Formula | C14H10N2O2 |
| Molar Mass | 238.2414 |
| Density | 1.456g/cm3 |
| Melting Point | 265-269℃ |
| Boling Point | 544.2°C at 760 mmHg |
| Flash Point | 282.9°C |
| Water Solubility | 0.33 mg/L at 25 ℃ |
| Vapor Presure | 6.67E-12mmHg at 25°C |
| Appearance | Crystallization |
| Storage Condition | Room Temprature |
| Refractive Index | 1.757 |
| MDL | MFCD00001224 |
| Physical and Chemical Properties | trait deep purple needle crystals (in pyridine) or purple crystals. |
| Use | Used as an intermediate in the synthesis of dyes |
128-95-0 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed |
| Safety Description | S22 - Do not breathe dust. S36/37 - Wear suitable protective clothing and gloves. |
128-95-0 - Upstream Downstream Industry
| Raw Materials | 2,4-Diaminotoluene 4-Nitroaniline Sulfur(α) Sodium hydroxide Sodium bicarbonate 1,4-Dihydroxyanthraquinone Iron |
128-95-0 - Nature
Open Data Verified Data
deep purple needle crystals (in pyridine) or purple crystals. Melting point 268 °c. Soluble in benzene, pyridine, nitrobenzene, aniline, slightly soluble in hot acetic acid, ethanol. In concentrated sulfuric acid solution is almost colorless, after adding boric acid blue red.
Last Update：2025-06-10 22:55:16
128-95-0 - Preparation Method
Open Data Verified Data
1, 4-hydroxyanthraquinone was obtained by condensation of hydroquinone and phthalic anhydride, which was refined with sodium hypochlorite and then ammoniated to obtain 1,4-= aminoguantrone leuco, and then oxidized by fuming sulfuric acid to obtain the finished product.
Last Update：2022-01-01 10:55:18
128-95-0 - Application
Open Data Verified Data
The intermediates of anthraquinone vat dye, disperse dye and acid dye are themselves disperse dye Violet.
Last Update：2025-08-19 16:24:40
128-95-0 - Safety
Open Data Verified Data
- Human body LD 1-2g/kg. Rats were intraperitoneally injected with LD100 500mg/kg. See 1,5-= aminoanthraquinone.
- an iron drum is packed in a plastic bag with a net weight of 50kg per barrel. Store in a ventilated place, sunscreen, moisture-proof.
Last Update：2022-01-01 10:55:19
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Raw Materials for 128-95-0