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1,4-Butanediol Vinyl Ether

Khoom Taw qhia

1,4-Butanediol vinyl ether Cov ntaub ntawv yooj yim

Khoom npe:	1,4-Butanediol vinyl ether
Synonyms:	TETRAMETHYLENE GLYCOL MONOVINYL ETHER; VINYL 4-HYDROXYBUTYL ETHER;4-(ethenyloxy)-1-butano;4-(ethenyloxy)-1-Butanol;4-vinyloxy -butan-1-ol;BUTANEDIOL MONOVINYL ETHER;HYDROXYBUTYL VINYL ETHER;1,4-BUTANEDIOLMONOVINYL ETHER
CAS:	17832-28-9
MF:	C6H12O2
MW:	116.16
EINECS:	241-793-5
Khoom Categories:	Ethylene Glycols thiab Monofunctional Ethylene Glycols; Monofunctional Ethylene Glycols; Monomers; Polymer Science; Vinyl Ethers; 17832-28-9
Mol File:	17832-28-9.mol

1,4-Butanediol vinyl ether Cov Khoom Siv Tshuaj

Melting point	-33 degree
Boiling point	95 degree / 20 mmHg (lit.)
ceev	0.939 g/mL ntawm 25 degree (lit.)
vapor siab	0.3 hPa (20 degree)
Refractive Index	n20/D 1.444 (lit.)
Fp	185 degree F
cia temp.	Khaws ntawm<= 20°C.
solubility	75g/l
pka ua	15.04 ± 0.10
daim ntawv	kua ntshiab
xim	Xim tsis muaj xim rau lub teeb daj
Specific Gravity	0.93
tawg txwv	1.4-9.9%(V)
Dej Solubility	75 g/L (20 ºC)
LogP	0.43 ntawm 25 degree
CAS DataBase Reference	17832-28-9(CAS DataBase Reference)
EPA Tshuaj Registry System	1-Butanol, 4-(ethenyloxy)- (17832-28-9)

Cov ntaub ntawv kev nyab xeeb

Hazard Codes	Xn
Risk Statements	20/21/22-36/37/38-22-52/53
Cov lus hais txog kev nyab xeeb	26-36-24/25-61
RIDADR	NA 1993 / PIB
WGK Germany	1
Autoignition Kub	225 degree DIN 51794
HS Code	2909 49 80
Toxicity	LD50 qhov ncauj hauv luav: 1738 mg/kg LD50 dermal Rat > 2000 mg/kg

MSDS Cov Ntaub Ntawv

Tus kws kho mob	Lus
SigmaAldrich	Lus Askiv
ACROS	Lus Askiv

1,4-Butanediol vinyl ether Siv Thiab Synthesis

Chemical Properties	1,4-Butanediol vinyl ether (HBVE; 4-Hydroxybutyl vinyl ether) yog cov kua tsis muaj xim lossis lub teeb daj pob tshab uas muaj ntxhiab tsw zoo ib yam li ether. Nws yog miscible nrog cawv, ethers, esters thiab aromatic hydrocarbons.
Synthesis	1,4-Butanediol vinyl ether yog npaj los ntawm reacting acetylene thiab 1,4-butanediol nyob rau hauv muaj cov poov tshuaj hydroxide thiab poov tshuaj alkoxide catalyst:Txij li thaum 1, 4-butanediol muaj ob pawg hydroxyl thiab cov khoom muaj active vinyl ether pawg ua haujlwm, qee qhov kev tawm tsam yuav tshwm sim. Piv txwv li, ntxiv cov tshuaj tiv thaiv ntawm HBVE nrog acetylene rau gen erate divinyl ether, thiab nws tus kheej condensation cov tshuaj tiv thaiv ntawm HBVE los ua ib qho cyclic acetal. Lub superbase catalytic system CsF-NaOH tau tsim los rau kev npaj HBVE ntawm qhov kub ntawm 138-14 degree thiab nyob rau hauv thawj acetylene siab ntawm 1.0-1.2 MPa. Kev hloov pauv ntawm 1,4-butanediol yog 100% thiab tag nrho cov txiaj ntsig ntawm vinyl ethers yog 80% ntawm catalyst ntau npaum (7 mol% CsF thiab 7 mol% NaOH raws li 1,4-butanediol) thiab tom qab cov tshuaj tiv thaiv rau 3 h. Qee cov kws tshawb fawb kuj tau tsim cov catalysts rau cov tshuaj tiv thaiv ntawm acetylene thiab 1,4-butanediol kom tau HBVE. Potassium hydroxide tau txais kev txhawb nqa ntawm cov nqa khoom xws li txhuas oxide, molecular sieves, silica gel thiab zirconia.
Reactivity Profile	Cov qauv ntawm 1,4-Butanediol vinyl ether (HBVE) yog ib daim ntawv cog lus ob leeg ncaj qha nrog ether daim ntawv cog lus, thiab vim muaj kev cuam tshuam ntawm ib qho atom oxygen uas nyob ib sab, ob daim ntawv cog lus yog ob daim ntawv cog lus electron-nplua nuj. thiab qhia ntau dua reactivity. HBVE kuj muaj cov hydroxyl, thiab tuaj yeem hnov mob nrog ntau cov resins. Nws muaj kev siv dav hauv fluororesin thiab txheej txheej.
Flammability thiab Explosibility	Flamable