1-CHLORO AQ
1-Chloroanthraquinone
CAS: 82-44-0
Molecular Formula: C14H7ClO2
1-CHLORO AQ - Names and Identifiers
1-CHLORO AQ - Physico-chemical Properties
| Molecular Formula | C14H7ClO2 |
| Molar Mass | 242.66 |
| Density | 1.2377 (rough estimate) |
| Melting Point | 159-160 °C (lit.) |
| Boling Point | 345.65°C (rough estimate) |
| Flash Point | 179.7°C |
| Solubility | Soluble in hot toluene. (almost transparency) |
| Vapor Presure | 1.87E-07mmHg at 25°C |
| Appearance | Crystallization |
| Color | Light yellow to yellow |
| BRN | 1912752 |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.5380 (estimate) |
| MDL | MFCD00001189 |
| Physical and Chemical Properties | Yellow needle-like crystals. |
| Use | Used as a dye intermediate |
1-CHLORO AQ - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | CB6150000 |
| TSCA | Yes |
| HS Code | 29147090 |
| Toxicity | LD50 orally in Rabbit: 15100 mg/kg |
1-CHLORO AQ - Nature
Open Data Verified Data
yellow needle-like crystals. Sublimation. Melting point 162 °c. Soluble in acetic acid, nitrobenzene, hot benzene, pentanol, slightly soluble in hot ethanol, insoluble in water.
Last Update：2025-06-10 22:55:16
1-CHLORO AQ - Preparation Method
Open Data Verified Data
Anthraquinone is nitrated with a mixed acid prepared with sulfuric acid and nitric acid, and then sulfonated with sodium sulfite to produce sodium sulquinone-1-sulfonate. In the boiling state Dropwise into the hydrochloric acid solution of sodium chlorate for chlorination, filtration, drying to obtain the finished product.
Last Update：2022-01-01 10:42:56
1-CHLORO AQ - Application
Open Data Verified Data
used as an intermediate for anthraquinone vat dyes and other Anthraquinone dyes, such as reduced Brown BR dyes.
Last Update：2025-08-19 16:24:40
1-CHLORO AQ - Safety
Open Data Verified Data
see anthraquinone. The iron drum is packed in plastic bags with a net weight of 50 ~ lOOkg per barrel. Should be stored in a dry, ventilated place, sunscreen, moisture. According to the general provisions of the storage and transportation of toxic chemicals.
Last Update：2025-06-10 22:55:16
1-CHLORO AQ - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | use as a dye intermediate use as an intermediate for anthraquinone vat dyes and other Anthraquinone dyes, such as reduced Brown br dyes. |
| production method | Anthraquinone is nitrated with a mixed acid prepared with sulfuric acid and nitric acid, and then sulfonated with sodium sulfite, production of sodium anthraquinone -1-sulfonate. In the boiling state Dropwise into the hydrochloric acid solution of sodium chlorate for chlorination, filtration, drying to obtain the finished product |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | intravenous-mouse LD50: 56 mg/kg |
| stimulation data | eyes-rabbits 500 mg/24 h mild |
| flammability hazard characteristics | toxic chloride fumes from thermal decomposition |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from food raw materials |
| extinguishing agent | water, carbon dioxide, foam, dry powder |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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