Daim ntawv ceeb toom cov khoom muag kawg
Gamma-Valerolactonelos yog γ-Valerolactone
Lub Abbreviation yogGVL
Peb tau tsim 2000 kg tshiab batch hauv Tshuag. Muaj peev xwm xa khoom sai tom qab tau txais kev txiav txim.
Zoo thiab tus nqi zoo tshaj plaws, Txhua yam xav tau peb pab koj, txais tos hu rau peb txhua lub sijhawm.
Rau cov ncauj lus kom ntxaws raws li ua raws li rau koj siv.
Ib. Kev piav qhia
Khoom npe:gamma-Valerolactone
CAS: 108-29-2 Nr
MF: C5H8O2
PIB: 100.12
PIB: 203-569-5
Melting point: -31 ° C (lit.)
Kub taw tes: 207-208 ° C (lit.)
Ceev: 1.05 g / mL ntawm 25 ° C (lit.)
Vapor ceev: 3.45 (vs huab cua)
Fefractive index: n20/D 1.432 (lit.)
Fp: 204.8 ° F
Daim ntawv: kua
Xim: ntshiab tsis muaj xim
PH: 7 (H2O, 20 ℃)
二. Specification
| Cov khoom soj ntsuam | Specifications | Cov txiaj ntsig |
| Qhov tshwm sim | Colorless rau me ntsis daj kua | ua raws |
| tsw | Herbal, Sweet sov cocoa, woody | ua raws |
| Assay | ≥98% | 99.9% |
| Refractive Index | 1.431-1.434 Ib | 1.4334 ib |
| Specific Gravity | 1.047-1.054 Nws | 1.0521 |
| Acid nqi | ≤ 1.0% | 0.2% |
| Xaus | ua raws | |
, Application
1.gamma-Valerolactone muaj peev xwm ntawm cov tshuaj tiv thaiv, thiab tuaj yeem siv los ua hnyav thiab ntau yam ntawm cov tshuaj intermediates.
2.gamma-Valerolactone yog siv los ua lubricant, plasticizer, gelling tus neeg sawv cev ntawm nonionic surfactants, lactone chav kawm ntawm leaded roj av additive.
3.gamma-Valerolactone kuj tseem siv rau cellulose ester thiab hluavtaws fiber ntau dyeing.
四. Cia
1. Khaws rau hauv qhov chaw txias, cua txias.
2. Khaws kom deb ntawm qhov hluav taws kub thiab cua sov.
3. Tsis txhob tshav ntuj ncaj qha.
4. Khaws lub thawv kaw kom nruj.
5. Nws yuav tsum tau muab cais tawm ntawm oxidants, txo cov neeg ua haujlwm, thiab cov kua qaub, thiab tsis txhob sib xyaw cia.
6. Muaj cov khoom sib xws thiab cov khoom siv hluav taws xob ntau.
7. Qhov chaw cia khoom yuav tsum tau nruab nrog cov khoom siv kho mob thaum muaj xwm txheej ceev thiab cov ntaub ntawv tsim nyog.
Post lub sij hawm: Jul-06-2022