82-05-3
Benzanthrone
CAS: 82-05-3
Molecular Formula: C17H10O
82-05-3 - Names and Identifiers
| Name | Benzanthrone |
| Synonyms | Benzanthone Benzanthrone BENZANTHRONE Benzanthrenone BENZANTHRONE, TECH. benz[de]anthracen-7-one benz(d e)anthracen-7-one 7H-Benz[de]anthracen-7-one 7H-benzo[de]anthracen-7-one |
| CAS | 82-05-3 |
| EINECS | 201-393-3 |
| InChI | InChI=1/C17H10O/c18-17-14-8-2-1-7-12(14)13-9-3-5-11-6-4-10-15(17)16(11)13/h1-10H |
82-05-3 - Physico-chemical Properties
| Molecular Formula | C17H10O |
| Molar Mass | 230.26 |
| Density | 1.0929 (rough estimate) |
| Melting Point | 168-170°C(lit.) |
| Boling Point | 332.25°C (rough estimate) |
| Flash Point | 196.1°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly, Sonicated) |
| Vapor Presure | 8.27E-08mmHg at 25°C |
| Appearance | Solid |
| Color | Light Yellow to Yellow |
| Merck | 14,1063 |
| BRN | 1455646 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.5000 (estimate) |
| MDL | MFCD00003585 |
| Physical and Chemical Properties | Trait light yellow needle-like crystal. melting point 170 ℃ solubility soluble in ethanol and other organic solvents, insoluble in water, soluble in sulfuric acid to form a red with green fluorescent orange liquid. |
| Use | For the preparation of dark vat dyes |
82-05-3 - 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 S37 - Wear suitable gloves. |
| WGK Germany | 3 |
| RTECS | CX5075000 |
| TSCA | Yes |
| HS Code | 29145090 |
| Toxicity | LD50 in albino rabbits: >3 g/kg dermally; LD50 in rats, mice (g/kg): 1.5, 0.29 i.p. (Singh) |
82-05-3 - Upstream Downstream Industry
82-05-3 - Nature
Open Data Verified Data
light yellow needle-like crystals. Soluble in ethanol and other organic solvents, insoluble in water, soluble in sulfuric acid to form a red with green fluorescent orange liquid. Melting point 170 °c.
Last Update：2024-01-02 23:10:35
82-05-3 - Preparation Method
Open Data Verified Data
anthraquinone was dissolved in sulfuric acid, and then a mixed solution of copper sulfate, glycerol and water was uniformly added thereto, followed by reduction reaction by adding zinc powder at 120 to 125 °c.
Last Update：2022-01-01 10:42:52
82-05-3 - Use
Open Data Verified Data
vat dyes such as intermediates for reducing brilliant green FFB, reducing Gray M, reducing olive green B, reducing black BBN, and the like.
Last Update：2022-01-01 10:42:52
82-05-3 - Safety
Open Data Verified Data
- This product is toxic. Direct contact with the human body or in its dust operation, can cause dermatitis, eczema and skin brown black and other phenomena, and even cause adverse effects on the liver and stomach. Mice were intraperitoneally injected with LDso603mg/kg. The production workshop should be well ventilated, the equipment should be sealed, and the operator should wear protective equipment.
- It is packed in iron or cardboard barrels, lined with plastic bags, with a net weight of 50kg or log/kg per barrel. Store in a cool, dry place. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:42:53
82-05-3 - 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 | for the preparation of dark vat dyes important dye intermediates for the production of reduced brilliant green FFB, reduction of olive green B, reduction of Olive T, reduction of ash M, reduction of black BBN, etc. |
| production method | is obtained by reacting anthraquinone and glycerol through the following steps. (1) anthraquinone in the presence of copper sulfate, with the reduction of iron powder to generate hydroxy anthrone. (2) glycerol in concentrated sulfuric acid under the loss of water into acrolein. (3) in the presence of sulfuric acid, hydroxyanthraquinone and acrolein add, and lose water to form a new ring. (4) and then sulfuric acid oxidation into Benzo anthrone. Raw material consumption quota: anthraquinone (98%)900kg/t, glycerin 600kg/t, zinc powder 440kg/t, copper sulfate (96%)205kg/t, sulfuric acid (100%)5000kg/t. |
| category | flammable solid |
| toxicity grade | high toxicity |
| Acute toxicity | intraperitoneal-rat LD50: 1500 mg/kg; Intraperitoneal-mouse LD50: 290 mg/kg |
| stimulation data | Skin-rabbits 500 mg/24 h mild; eye-rabbit 100 mg/24 h moderate |
| flammability hazard characteristics | relatively flammable when heated; Combustion-induced smoke |
| storage and transportation characteristics | ventilation and low-temperature drying; With warehouse food raw materials, potassium hydroxide, separate storage of nitrobenzene |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
| 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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View History
82-05-3
m-Terphenyl-4-amine (7CI,8CI)
2- Methyl-4-broMo benzoic acidMethyl ester
ISOPHTHALIC ACID DIALLYL ESTER
亚乙基双油酸酰胺
BUFFERED PEPTONE BROTH
1-azabicyclo(3.2.0)hept-2-ene-2-carboxylicacid,6-(1-hydroxyethyl)-3-((1-(1-im
(S)-2-氨基-3-(6-甲氧基-1H-吲哚-3-基)丙酸甲酯
Einecs 227-185-2
RARECHEM BK PT 0093
m-Terphenyl-4-amine (7CI,8CI)
2- Methyl-4-broMo benzoic acidMethyl ester
ISOPHTHALIC ACID DIALLYL ESTER
亚乙基双油酸酰胺
BUFFERED PEPTONE BROTH
1-azabicyclo(3.2.0)hept-2-ene-2-carboxylicacid,6-(1-hydroxyethyl)-3-((1-(1-im
(S)-2-氨基-3-(6-甲氧基-1H-吲哚-3-基)丙酸甲酯
Einecs 227-185-2
RARECHEM BK PT 0093
Raw Materials for 82-05-3