4,4'-Dichlorodiphenyl sulfone
Bis(4-chlorophenyl) sulphone
CAS: 80-07-9
Molecular Formula: C12H8Cl2O2S
4,4'-Dichlorodiphenyl sulfone - Names and Identifiers
| Name | Bis(4-chlorophenyl) sulphone |
| Synonyms | p-chlorophenyl sulfone p-Chlorophenyl sulfone di-p-chlorophenylsulfone 4,4'-dichlorophenyl sulfone 4,4'-Dichlorophenyl sulfone bis(p-chlorophenyl) sulfone p,p'-dichlorodiphenylsulfone Bis(4-chlorophenyl) sulphone 4,4'-dichlorodiphenyl sulfone 4,4-Dichloro Diphenyl Sulfone p,p'-Dichlorodiphenyl sulfone 4,4'-Dichloro Biphenyl Sulfone 4,4[-Dichlorodiphenyl sulphone 4,4'-Dichloro Diphenyl Sulfone 4,4'-Dichloro Diphenyl Sulphone 1,1'-sulfonylbis(4-chlorobenzene) 1,1'-sulfonylbis[4-chloro-benzene] Benzene, 1,1'-sulfonylbis[4-chloro- Benzene, 1,1'-sulfonylbis*4-chloro- 4-chloro-1-(4-chlorophenylsulfonyl)benzene |
| CAS | 80-07-9 |
| EINECS | 201-247-9 |
| InChI | InChI=1/C12H8Cl2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8H |
4,4'-Dichlorodiphenyl sulfone - Physico-chemical Properties
| Molecular Formula | C12H8Cl2O2S |
| Molar Mass | 287.16 |
| Density | 1.54g/cm3 |
| Melting Point | 143-146°C(lit.) |
| Boling Point | 250°C10mm Hg(lit.) |
| Flash Point | 233 °C |
| Water Solubility | <0.1 g/100 mL at 20 ºC |
| Solubility | Dichloromethane |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | White to white-like powder |
| Color | White |
| BRN | 2052955 |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.61 |
| MDL | MFCD00000619 |
| Physical and Chemical Properties | White monoclinic crystals. |
| Use | Used for Engineering Plastics polysulfone raw materials, also used as pharmaceutical, auxiliary intermediates |
4,4'-Dichlorodiphenyl sulfone - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 2 |
| RTECS | WR3450000 |
| TSCA | Yes |
| HS Code | 29309070 |
| Hazard Note | Harmful/Corrosive/Moisture Sensitive |
| Toxicity | LD50 orl-mus: 24 g/kg HCACAV 29,1317,46 |
4,4'-Dichlorodiphenyl sulfone - Nature
Open Data Verified Data
white monoclinic crystals. The melting point was 148-149 °c. Boiling point sublimation. Density 1.54g/cm3. Insoluble in water, slightly soluble in cold ethanol.
Last Update：2024-01-02 23:10:35
4,4'-Dichlorodiphenyl sulfone - Preparation Method
Open Data Verified Data
- The chlorosulfonic acid method uses chlorobenzene to react with chlorosulfonic acid to obtain 4 chlorobenzene sulfonyl chloride, and then condenses with chlorobenzene in the presence of aluminum trichloride to obtain the finished product after refining.
- sulfuric acid method to industrial sulfuric acid, chlorobenzene as raw materials, using batch method or continuous synthesis of this product, the reaction is carried out in the presence of excess chlorobenzene.
Last Update：2022-01-01 10:56:13
4,4'-Dichlorodiphenyl sulfone - Use
Open Data Verified Data
The main intermediate of engineering plastics polysulfone, is also the treatment of leprosy drugs 4, 4r_amino two phenyl sulfone raw materials.
Last Update：2022-01-01 10:56:13
4,4'-Dichlorodiphenyl sulfone - Safety
Open Data Verified Data
- low toxicity, the use of chlorobenzene in the production process is toxic substances, the skin, eyes, nose and respiratory system has a strong irritation. Chlorosulfonic acid toxicity and irritation is more intense. Therefore, the production process must pay attention to the tightness of the equipment, to prevent leakage. Good ventilation should be maintained at the production site, and the operator should wear protective equipment.
- It is packed in an iron drum lined with plastic bags, 35kg per barrel. Store in a dry, ventilated place to avoid sun exposure and prevent heat and moisture. According to the general provisions of the storage and transportation of chemicals.
Last Update：2022-01-01 10:56:14
4,4'-Dichlorodiphenyl sulfone - Reference Information
| LogP | 3.9 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | used in the synthesis of engineering plastics, dyes and polymers, such as polysulfone, polyethersulfone, polyetheretherketone, etc. used as a raw material of engineering plastics polysulfone, also used in the production of 4,4 '-diaminodiphenyl sulfone used as a raw material of engineering plastics polysulfone, also used in medicine, intermediate of the adjuvant |
| production method | 1. Chlorosulfonic acid method with chlorobenzene and chlorosulfonic acid reaction of 4-chlorobenzenesulfonyl chloride, and chlorobenzene in the presence of aluminum chloride condensation, refined products. Sulfuric acid method to industrial sulfuric acid, chlorobenzene as raw materials, using batch method or continuous synthesis of this product, the reaction is carried out in the presence of excess chlorobenzene. |
| category | toxic substances |
| toxicity grade | low toxicity |
| Acute toxicity | oral-rat LD50: >20000 mg/kg; Oral-mouse LD50: 24000 mg/kg |
| flammability hazard characteristics | flammability; Toxic sulfur oxide and chloride fumes from combustion |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| 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：2024-04-09 15:16:52
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