Furfuryl cawv 98-00-0 Hoobkas nqi
Muaj cov khoom lag luam txaus, siab zoo thiab xa khoom sai. Ntau qhov ntau nrog luv nqi ntxiv.
Txhua yam kev xav tau, txais tos hu rau peb txhua lub sijhawm.
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Kev piav qhia
Khoom npe: Furfuryl cawv
CAS: 98-00-0 Nr
MF: C5H6O2
pwm: 98.1
PIB: 202-626-1
Melting point: -29 ° C
Kub taw tes: 170 ° C (lit.)
Ceev: 1.135 g / mL ntawm 25 ° C (lit.)
Vapor ceev: 3.4 (vs huab cua)
Vapor siab: 0.5 mmHg (20 ° C)
Refractive index: n20/D 1.486 (lit.)
Fp: 149 ° F
Cia temp. Kub: 2-8 ° C
Solubility cawv: soluble
Specification
| Cov khoom soj ntsuam | Specifications | Cov txiaj ntsig |
| PURITY | 98% MIN | 98.20% |
| Dej | 0.3% MAX | 0.22% |
| FURFURAL | 0.7% MAX | 0.55% |
| Xaus | ua raws | |
Daim ntawv thov
【Siv Ib】
Siv los ua raw khoom rau synthesis ntawm ntau yam furan resins, anti-corrosion txheej, thiab kuj yog ib qho hnyav hnyav.
【Siv Ob】
Nws yog ib tug zoo hnyav thiab foob pob ua ntxaij roj rau resins, varnishes thiab pigments. Nws tseem tuaj yeem siv rau hauv cov khoom siv hluavtaws, roj hmab, tshuaj tua kab thiab kev lag luam foundry.
【Siv peb】
GB 2761-1997 qhia tias nws raug tso cai siv cov txuj lom zaub mov. Feem ntau yog siv los npaj coke-flavored flavors.
【Siv plaub】
Furfuryl cawv yog siv nyob rau hauv cov organic synthesis, thiab levulinic acid (txiv hmab txiv ntoo acid) yog tau los ntawm hydrolysis, uas yog ib tug nruab nrab ntawm kev noj haus tshuaj calcium fructate. Furan resins nrog ntau yam khoom (xws li furfuryl cawv resins, furan I lossis furan II resins), furfuryl cawv-urea-formaldehyde resins thiab phenolic resins tuaj yeem npaj los ntawm furfuryl cawv;
【Siv tsib】
Solvent. Organic synthesis (tsim anthracene, resin, thiab lwm yam). khaws cia. txuj lom.
Cia
Nws yuav tsum raug kaw thiab tiv thaiv los ntawm lub teeb thiab khaws cia rau hauv qhov chaw txias.
Tsis txhob ze rau cov kua qaub uas muaj zog thaum khaws cia.
Khaws kom deb ntawm qhov chaw dej, thiab tuaj yeem khaws cia rau hauv cov hlau, me me hlau lossis txhuas ntim.
Post lub sij hawm: Aug-04-2022