Neopentyl Glycol (NPG) CAS 126-30-7 Purity ≥99.5% (GC)
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Tshuaj npe | Neopentyl Glycol |
Synonyms | 2,2-Dimethyl-1,3-Propanediol;2,2-Bis (hydroxymethyl) propane;2,2-Dihydroxy-2,2-Dimethylpropane;NPG |
CAS Nr | 126-30-7 : kuv |
CAT Number | Qauv TSIS MUAJ: RF-PI2212 |
Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 5000MT / Xyoo |
Molecular Formula | C5H12O2 |
Molecular Luj | 104.15 Nws |
Boiling Point | 208 ℃ |
Qhov ntom | 1.06 g / cm3 ntawm 20 ℃ |
rhiab heev | Hygroscopic |
Dej Solubility | Soluble hauv dej |
Solubility (zoo soluble hauv) | Ether, Cawv |
Hom | Ruifu Tshuaj |
Yam khoom | Specifications |
Qhov tshwm sim | Dawb hmoov Crystals |
Purity / Analysis Method | ≥99.5% (GC) |
Dej los ntawm Karl Fischer | <0.30% |
Xim | <10 PHEEJ |
Acidity | ≤ 0.01 wt% |
Aldehyde (raws li HOHPv) | ≤ 0.05 wt% |
Melting Point | 124.0 ~ 130.0 ℃ |
Ib leeg Impurity | <0.50% |
Infrared Spectrum | Raws li tus qauv |
Proton NMR Spectrum | Raws li tus qauv |
Solubility hauv MeOH | Yuav luag Transparency |
Test Standard | Enterprise Standard |
Pob: Fluorinated Fwj, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias thiab qhuav;Tiv thaiv los ntawm lub teeb thiab noo noo
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Neopentyl Glycol (NPG) (CAS: 126-30-7) yog siv los tsim cov resins, plasticizers thiab qee cov surfactants.Neopentyl Glycol muaj ntau yam kev ua haujlwm, ntawm cov uas lub luag haujlwm tseem ceeb yog tsim cov roj khov, alkyd resin, unsaturated polyester cob, hloov tau yooj yim ua npuas ncauj ntawm polyurethane, insulated cov ntaub ntawv, print inks, hluavtaws plasticizers, aviation lubricant agent thiab ib co surfactant agent, additives rau high-qib lubricants thiab lwm yam tshuaj zoo.Neopentyl Glycol yog cov kuab tshuaj zoo heev thiab tuaj yeem siv rau kev xaiv kev sib cais ntawm cov ntxhiab hydrocarbons thiab cycloalkyl hydrocarbons.Neopentyl Glycol muaj dej tsis kam, tshuaj tiv thaiv, thiab huab cua tsis kam.Nws cov amino ci kua roj vanish muaj zoo gloss tuav thiab tsis tig daj.Nws tseem tuaj yeem siv los ua cov khoom siv raw rau kev tsim cov polymerization inhibitors, stabilizers thiab tshuaj tua kab.Plasticizer.Organic Synthesis.Polyester hluavtaws raw khoom.Siv los ua cov kuab tshuaj zoo, kuj yog rau cov yas thiab tshuaj synthesis.NPG muaj qhov zoo hydrolytic tsis kam kuj muaj kev tiv thaiv rau ntau yam tshuaj thaum siv hauv cov xim pleev xim.Cov khoom siv rau tshuaj, tshuaj tua kab, tshuaj nplaum.Nws yog ib qho tshwj xeeb polyalcohol muab cov txiaj ntsig zoo tshaj plaws hauv ntau qhov kev siv kawg vim nws cov tshuaj lom neeg siab thiab thermal stability.Nws yog ib qho tshwj xeeb diol muab cov txiaj ntsig zoo tshaj plaws hauv ntau daim ntawv thov siv kawg.Cov txiaj ntsig zoo no tau muab los ntawm nws cov qauv tshuaj.Qhov chaw ntawm cov pab pawg hydroxyl ntawm thawj cov pa roj carbon atom tso cai rau esterification sai.Tsis tas li ntawd, ob pawg methyl, tsis yog ob qho tib si hydrogen atoms, ntawm alpha carbon atom yog lub luag haujlwm rau cov tshuaj lom neeg thiab thermal stability ntawm Neopentylglycol thiab nws cov derivatives.
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