Factory mov CAS 110-63-4 1,4-Butanediol Cov kua tsis muaj xim nrog siab Purity
Kev siv
1, 4-butanediol yog dav siv.Nyob rau hauv lub tebchaws United States thiab Western Europe rau ntau tshaj ib nrab ntawm zus tau tej cov tetrahydrofuran, ua raws li los ntawm zus tau tej cov γ-butanolactone thiab polybutylene terephthalate, lub tom kawg yog ib tug ceev ceev engineering plastics;1, 4-butanediol yog siv los ua cov saw txuas ntxiv thiab polyester raw khoom rau kev tsim cov polyurethane elastomers thiab mos polyurethane ua npuas ncauj yas;Cov esters ntawm 1, 4-butanediol yog cov additives zoo rau cellulose, polyvinyl chloride, polyacrylates thiab polyesters.1, 4-butanediol muaj hygroscopic yooj yooj yim, siv tau raws li gelatin softener thiab dej absorbent, cellophane thiab lwm yam uas tsis yog-daim ntawv kho tus neeg saib xyuas.Kuj tseem tuaj yeem npaj N-methylpyrrolidone, N-vinyl pyrrolidone thiab lwm yam pyrrolidone derivatives, kuj siv rau hauv kev npaj cov vitamin B6, tshuaj tua kab, tshuaj tua kab thiab ntau yam txheej txheem solvents, plasticizers, lubricants, humidifiers, softness, adhesives thiab electroplating kev lag luam brightener.
Ib qho reagent rau tshuaj ntsuam xyuas;siv los ua ib qho kev daws teeb meem rau roj chromatography.Siv los ua hnyav, tsis muaj tshuaj lom los tiv thaiv, khoom noj khoom haus emulsifier, noo noo absorbent, rau cov organic synthesis.Pharmaceutical, zaub mov kev lag luam.
Specifications
| Khoom npe: | 1,4-Butanediol |
| CAS: | 110-63-4 ib |
| MF: | C4H10O2 |
| MW: | 90.12 ib |
| EINECS: | 203-786-5 : kuv |
| Melting point | 16 ° C (lit.) |
| Boiling point | 230 ° C (lit.) |
| ceev | 1.017 g / mL ntawm 25 ° C (lit.) |
| vapor ceev | 3.1 (vs huab cua) |
| vapor siab | 0.1 hPa (20 ° C) |
| Refractive Index | n20/D 1.445 (lit.) |
| Fp | 135 ° C |
| cia temp. | Khaws hauv qab +30 ° C. |
| daim ntawv | Ua kua |
| pka ua | 14.73 ± 0.10 (Kev kwv yees) |
| xim | Ntshiab xim tsis muaj xim |
| tsw | Tsis hnov tsw |
| PH | 7-8 (500g / l, H2O, 20 ℃) |
| tawg txwv | 1.95-18.3% (V) |
| Dej Solubility | Miscible |
| rhiab heev | Hygroscopic |
| BRN | 1633445 ib |
Kev cia khoom
Khaws rau hauv qhov chaw txias, qhov cua, qhov chaw cia deb ntawm lub tsev, tuaj ua.Cov khoom siv tua hluav taws thiab cov thawv ntim dej tsim nyog muaj.Cov hlau me me, txhuas lossis tooj liab ntim muaj.
Siv aluminium, stainless hlau, steel lossis yas tso tsheb hlau luam lossis cov khoom siv hluav taws xob rau kev khaws cia thiab kev thauj mus los.Lub thawv nrog qhov kub siab tshaj plaws ntawm 20 ° C yuav tsum tau ntim nrog cov thawv thiab cov raj.