PhosphorusVchloridewhitextl
Phosphorus pentachloride
CAS: 10026-13-8
Molecular Formula: Cl5P
PhosphorusVchloridewhitextl - Names and Identifiers
| Name | Phosphorus pentachloride |
| Synonyms | PCl5 PHOSPHORUS CHLORIDE Fosforpentachloride PETACHLOROPHOSPHORANE pentachlorophosphorus Phosphorus(V) chloride pentachloro-phosphoran pentachlorophosphorane fosforo(pentaclorurodi) pentachloro-phosphorane Fosforo(pentacloruro di) Phosphorus pentachloride Phosphorous Pentachloride fosforpentachloride[dutch] PhosphorusVchloridewhitextl pentachloro-lambda~5~-phosphane PHOSPHORUS PENTACHLORIDE, POLYMER-BOUND |
| CAS | 10026-13-8 |
| EINECS | 233-060-3 |
| InChI | InChI=1/Cl5P/c1-6(2,3,4)5 |
| InChIKey | UHZYTMXLRWXGPK-UHFFFAOYSA-N |
PhosphorusVchloridewhitextl - Physico-chemical Properties
| Molecular Formula | Cl5P |
| Molar Mass | 208.24 |
| Density | 1.6 |
| Melting Point | 179-181°C (subl.) |
| Boling Point | 160 °C |
| Water Solubility | decomposes |
| Solubility | Soluble in carbon disulfide and carbon tetrachloride. |
| Vapor Presure | 0.016 hPa (20 °C) |
| Appearance | macroporous |
| Specific Gravity | 1.6 |
| Color | Yellow |
| Odor | Pungent odour |
| Exposure Limit | TLV-TWA 0.85 mg/m3 (0.1 ppm) (ACGIH), ～1 mg/m3 (0.1 ppm) (OSHA). . |
| Merck | 14,7351 |
| PH | 1 (5g/l, H2O)acidic |
| Storage Condition | 2-8°C |
| Sensitive | Moisture Sensitive |
| Physical and Chemical Properties | Density 1.6 melting point 179-181°C (subl.) water-soluble decomposers |
PhosphorusVchloridewhitextl - Risk and Safety
| Hazard Symbols | T+ - Very toxic |
| Risk Codes | R14 - Reacts violently with water R22 - Harmful if swallowed R26 - Very Toxic by inhalation R34 - Causes burns R48/20 - |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S7/8 - |
| UN IDs | UN 1806 8/PG 2 |
| WGK Germany | 3 |
| RTECS | TB6125000 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | Yes |
| HS Code | 28121045 |
| Hazard Class | 8 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 660 mg/kg |
PhosphorusVchloridewhitextl - Nature
Open Data Verified Data
white or light yellow tetragonal crystals. 162 degrees C sublimation, and some decomposition. The gaseous density was 296g/L (°c). At 300 deg C all decomposition into chlorine and phosphorus trichloride. Soluble in carbon disulfide, carbon tetrachloride. Decomposition in water, in the humid air hydrolysis of phosphoric acid and hydrogen chloride, the occurrence of white smoke and a special irritating odor, a strong stimulation of the eyes.
Last Update：2024-01-02 23:10:35
PhosphorusVchloridewhitextl - Preparation Method
Open Data Verified Data
chlorination method: the liquid chlorine is vaporized and passed into a chlorine drying tower to dehydrate the dried chlorine gas, and the dried chlorine gas is passed into the reactor to conduct chlorination reaction with the phosphorus trichloride liquid, chlorine gas needs to be passed through the solution through the paste and then converted into a completely dry crystalline product, that is, the phosphorus pentachloride product. Carbon dioxide gas can be introduced to exhaust the residual chlorine gas, and then be recovered.
Last Update：2022-01-01 11:02:38
PhosphorusVchloridewhitextl - Use
Open Data Verified Data
used as a chlorinating agent, Catalyst in organic synthesis. Is the production of medicine, dyes, chemical fiber raw materials, but also the production of phosphazene chloride, phosphorus chloride raw materials.
Last Update：2022-01-01 11:02:37
PhosphorusVchloridewhitextl - Safety
Open Data Verified Data
belongs to the first class of inorganic acid corrosion articles, risk code number: GB 8.1 class 81042. UNN0.1806; IMDG CODE page 8208, class 8.1. Should be stored in a cool, ventilated, dry warehouse. Packaging should be sealed and moisture-proof. It cannot be stored and mixed with flammable products, organic materials, oxidants, alkaline materials and deliquescent materials. Be protected from rain and sun during transport. It should not persist for a long time to avoid deterioration. Handling should be handled with care to prevent damage to the package, dry glass bottle packaging, each bottle of 25kg net weight, coat the iron drum or semi-permeable cage box. The package should be marked with "drug" and "corrosive substances. Fire, dry sand, dry powder fire or carbon dioxide fire extinguishing, but not water. Toxicity and protection: see phosphorus trichloride.
Last Update：2022-01-01 11:02:38
PhosphorusVchloridewhitextl - 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) |
| quenching method | under stirring, add to a large amount of ice water (can not be added back), confirm the reaction and then neutralize with alkali, for phosphorus oxychloride that does not react with ice water immediately, it can be slowly poured into water at room temperature to confirm that the reaction is finished, then it is added, ice cooling is added from time to time, and finally neutralization with alkali under cooling. During the treatment, it can only be slowly added to water (alkali solution), and water must not be added to the above compounds. |
| toxicity | see phosphorus trichloride. |
| Use | is used as a chlorinating agent, catalyst, in organic synthesis. Is the production of medicine, dyes, chemical fiber raw materials, but also the production of phosphazene chloride, phosphorus chloride raw materials. It is used as a chlorinating agent, catalyst, and also used in pharmacy. In the catalyst for the production of acetyl cellulose, the hydroxyl groups in the compound, especially the same acid, are replaced with chlorine to be converted into acid chlorides, and the methylol groups are measured. |
| production method | the liquid chlorine is vaporized by the chlorination method and passed into a chlorine drying tower to dehydrate the dried chlorine gas, the dry chlorine gas is passed into the reactor to conduct chlorination reaction with the phosphorus trichloride liquid, and the chlorine gas needs to be passed through the solution through the paste and then converted into the completely dried crystalline product, that is, the phosphorus pentachloride product is obtained. The PCI3 C12 → PCI5 can be introduced into the carbon dioxide gas to discharge the residual chlorine gas, and then be recovered. |
| category | corrosive article |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 660 mg/kg |
| explosive hazard characteristics | water Fever or even explosion |
| flammability hazard characteristics | non-combustible; Toxic chloride and phosphorus oxide gases generated in the fire scene; reaction with water to generate hydrogen chloride |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; With alkali, oxidant, organic matter, separate storage of combustible materials |
| extinguishing agent | dry sand, dry stone powder. Water use is prohibited. |
| Occupational Standard | TLV-TWA 0.1 PPM (1 mg/m3); sel 1 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-and health-threatening concentration | 70 mg/m3 |
Last Update：2024-04-10 22:29:15
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