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1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene

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Origin: China

Cas No: 382-21-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 382-21-8 Formula: C4F8 Molecular Weight: 200.03000

Description

Perfluoroisobutene (PFIB), also known as 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene, is a fluorocarbon alkene. It is a hydrophobic reactive gas with boiling point at 7 °C. It is a strong electrophile.
PFIB is about 10 times as toxic as phosgene. Its inhalation can lead to pulmonary edema, which may be fatal. Onset of symptoms can take 1-4 hours after inhalation. Treatment is based on management of the pulmonary edema (usually with high-dose corticoids and other medication/measures) and associated disorders (e.g. heart failure, hypocalcemia etc.). Many cases resolve within 72 hours without major long-term effects.
In contact with water PFIB undergoes rapid hydrolysis, producing various reactive compounds and fluorophosgene.
PFIB is a product of pyrolysis of polytetrafluoroethylene (PTFE), one of the substances causing polymer fume fever.
It is a Schedule 2 substance of the Chemical Weapons Convention.

Basic Info

Chemical Name	1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene
Synonyms	Octafluoroisobutylene; Isobutene,octafluoro; Octafluoro-sec-butene; octafluoroisobutene; PFIB; Perfluoroisobutylene; 1,1,3,3,3-pentafluoro-2-(trifluoro-methyl)propene; 1-Propene, 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)-; perfluoro-2-(trifluoromethyl)-propene; 1,1,3,3,3-Pentafluoro-2-(trifluoromethyl)-1-propene; 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene;
CAS No.	382-21-8
Molecular Formula	C4F8
Molecular Weight	200.03000
PSA	0.00000
LogP	3.26160

Properties

Density	1.6 g/L
Boiling Point	7 °C
Melting Point	-130 °C
Refractive Index	1.26

Safety Info

Hazard Class	2.3
HS Code	2903391000

Synthesis Route

1,1,1,2,2,3,3,5,5,5-decafluoro-4-iodo-4-(trifluoromethyl)pentane→Iodopentafluoroethane+1,1,3,3,3-pentafluoro-2-(trifluoromethyl)prop-1-ene
1-CHLORO-1,1,2,2-TETRAFLUOROETHANE→tetrafluoroethene+Hexafluoropropylene
Difluorochloromethane→tetrafluoroethene+Hexafluoropropylene

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Inhalation	LC50 - Lethal concentration, 50 percent kill	Rodent - rat	500 ppb/6H	1.Details of toxic effects not reported other than lethal dose value
Inhalation	LCLo - Lowest published lethal concentration	Rodent - mouse	10 mg/m3/2H	1.Lungs, Thorax, or Respiration-emphysema 2.Kidney, Ureter, Bladder-changes in tubules (including acute renal failure, acute tubular necrosis) 3.Blood-hemorrhage
Inhalation	LCLo - Lowest published lethal concentration	Mammal - cat	25 mg/m3/2H	1.Behavioral-somnolence (general depressed activity) 2.Behavioral-excitement 3.Behavioral-ataxia

Downstream Product

1,1,1,3,3,3-HEXAFLUORO-2-METHYLPROPANE
2-(difluoromethyl)-1,1,1,3,3,3-hexafluoropropane
Methyl 1,1,3,3,3-pentafluoro-2-(trifluoromethyl)-propyl ether
1,1,1,3,3,3-hexafluoro-2-iodo-2-(trifluoromethyl)propane

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