PhosphorusVchloridewhitextl

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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