Phenyl chloroform
Benzotrichloride
CAS: 98-07-7;61878-57-7
Molecular Formula: C7H5Cl3
Phenyl chloroform - Names and Identifiers
Phenyl chloroform - Physico-chemical Properties
| Molecular Formula | C7H5Cl3 |
| Molar Mass | 195.47 |
| Density | 1.38g/mLat 25°C(lit.) |
| Melting Point | −7.5-−7°C(lit.) |
| Boling Point | 219-223°C760mm Hg(lit.) |
| Flash Point | 207°F |
| Water Solubility | HYDROLYSIS |
| Solubility | alcohol: soluble |
| Vapor Presure | 0.2 mm Hg ( 20 °C) |
| Vapor Density | 6.77 (vs air) |
| Appearance | Liquid |
| Color | Clear yellow |
| Odor | penetrating odor |
| Exposure Limit | ACGIH: Ceiling 0.1 ppm (Skin) |
| Merck | 14,1109 |
| BRN | 508152 |
| Storage Condition | room temp |
| Stability | Stable, but moisture sensitive. Incompatible with strong oxidizing agents, moisture. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.557(lit.) |
| Physical and Chemical Properties | Characteristics of colorless or light yellow liquid, with specific stimulation of odor. melting point -7.5 ℃ boiling point 219~223 ℃ relative density 1.380g/cm3 refractive index 1.5580 flash point 97 ℃ solubility no soluble in water, soluble in ethanol, ether, benzene. |
| Use | Used as dye intermediates, pharmaceutical intermediates and ultraviolet absorber basic raw materials |
Phenyl chloroform - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R45 - May cause cancer R22 - Harmful if swallowed R23 - Toxic by inhalation R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2226 8/PG 2 |
| WGK Germany | 3 |
| RTECS | XT9275000 |
| TSCA | Yes |
| HS Code | 29039990 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in rats: 6.0 g/kg (Smyth) |
Phenyl chloroform - Nature
Open Data Verified Data
colorless or light yellow liquid with specific irritating odor. Density 1. 380g/cm3. Melting Point -7.5 °c. Boiling point 219~223 deg C. Refractive index 5580. Flash point 97 degrees Celsius. Insoluble in water, soluble in ethanol, ether, benzene. Unstable nature, smoke in the air, light decomposition. Decomposition when wet. With water or alkali solution is generated benzoic acid.
Last Update：2024-01-02 23:10:35
Phenyl chloroform - Preparation Method
Open Data Verified Data
toluene as raw material, heated to boiling, in the light, into the chlorine gas (in the presence of phosphorus trichloride), chlorination reaction, to the boiling point of the liquid up to 215 ℃, after completion of the reaction, a fraction having a boiling point of 97 to 98 ° C. Was collected by distillation under reduced pressure.
Last Update：2022-01-01 10:41:16
Phenyl chloroform - Use
Open Data Verified Data
It is mainly used as a dye intermediate and a raw material for the synthesis of benzoic acid and benzoyl chloride, and also used as an analytical chemical reagent.
Last Update：2022-01-01 10:41:15
Phenyl chloroform - Safety
Open Data Verified Data
- This product is toxic, rat oral LD50 6 g/kg. Protective gear was worn by the operator. The production workshop should be well ventilated and the equipment should be closed.
- lined with plastic bags, external iron drum packaging. The package should be marked with the word "drugs. It is an organic drug. Risk code: 84139. Should be stored in a cool, dry, ventilated warehouse, away from the fire, heat sources, to prevent direct sunlight, not with flammable and edible chemical raw materials stacked. Light loading and light unloading during handling to prevent package breakage.
Last Update：2022-01-01 10:41:16
Phenyl chloroform - Reference Information
| LogP | 2.92 at 20℃ and pH6 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| (IARC) carcinogen classification | 2A (Vol. 29, Sup 7, 71) 1999 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | It is used as a basic raw material for dyes, pharmaceutical intermediates and UV absorbers UV-9, UV-531 organic synthesis intermediates. Production of benzoic acid, benzoyl chloride, triphenylmethane dyes, Anthraquinone Dyes and quinoline dyes. And for the production of ultraviolet absorbers. It is also used as an analytical chemical reagent. important intermediates in organic synthesis are mainly used in the manufacture of benzoic acid, benzoyl chloride, triphenylmethane dye, anthraquinone dye and quinoline dye, which are widely used in dyes, pharmaceuticals, pesticides and other fields. used as dye intermediate, pharmaceutical intermediate and UV absorber basic raw material |
| production method | is prepared by chlorination of toluene. In toluene, the catalyst phosphorus trichloride was added, heated to boiling, and reacted with chlorine for 15-20h under good light. When the boiling point of the liquid reached 215, the chlorine was stopped. Distillation was performed under reduced pressure, and the fraction of 97-98 ° C. (1.6kPa) was collected as the finished product, with a yield of 90%. |
| category | corrosive article |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1300 mg/kg; Oral-mouse LD50: 702 mg/kg |
| stimulation data | Skin-rabbits 10 mg/24 h severe; eye-rabbit 0.05 mg/24 h severe |
| explosive hazard characteristics | explosive when mixed with air; For skin, corrosive effects on eyes and mucous membranes |
| flammability hazard characteristics | flammable; Toxic hydrogen chloride gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant |
| extinguishing agent | Sand, dry powder, carbon dioxide |
| Occupational Standard | SEL 0.2 mg/m3 |
| spontaneous combustion temperature | 411 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:12
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