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四氫呋喃 [109-99-9]
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英文名:Tetrahydrofuran
- 別名:一氧五環(huán) 氧雜環(huán)戊烷 四甲撐氧 四氫化氧雜茂 氧戊環(huán)
- CAS號(hào):109-99-9 分子式:C4H8O 分子量:72.11
T27863-500ml 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 500ml 150.00 促銷價(jià):94.50
T27864-100ml 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 100ml 83.00 促銷價(jià):52.29
T27865-1L 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 1L 283.00 促銷價(jià):178.29
T27867-500ml 四氫呋喃 [109-99-9] ACS,>99.5% (GC) 500ml 82.00
T27869-500ml 四氫呋喃 [109-99-9] AR 500ml 88.00 促銷價(jià):55.44
T27868-500ml 四氫呋喃 [109-99-9] GR,99.5% 500ml 91.00 促銷價(jià):57.33
T27861-500ml 四氫呋喃 [109-99-9] HPLC, ≥99.9% 500ml 120.00
T27860-5ml 四氫呋喃 [109-99-9] standard for GC, ≥99.9% (GC) 5ml 37.00
T27860-500ml 四氫呋喃 [109-99-9] Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal 500ml 185.00 促銷價(jià):138.75
T27861-100ml 四氫呋喃 [109-99-9] Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal 100ml 92.00 促銷價(jià):69.00
T27862-500ml 四氫呋喃 [109-99-9] 光譜級(jí), ≥99.5% 500ml 172.00
T27865-500ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 500ml 520.00
T27864-100ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 100ml 180.00
T27863-25ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 25ml 83.00
T27864-100ml 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 100ml 83.00 促銷價(jià):52.29
T27865-1L 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 1L 283.00 促銷價(jià):178.29
T27867-500ml 四氫呋喃 [109-99-9] ACS,>99.5% (GC) 500ml 82.00
T27869-500ml 四氫呋喃 [109-99-9] AR 500ml 88.00 促銷價(jià):55.44
T27868-500ml 四氫呋喃 [109-99-9] GR,99.5% 500ml 91.00 促銷價(jià):57.33
T27861-500ml 四氫呋喃 [109-99-9] HPLC, ≥99.9% 500ml 120.00
T27860-5ml 四氫呋喃 [109-99-9] standard for GC, ≥99.9% (GC) 5ml 37.00
T27860-500ml 四氫呋喃 [109-99-9] Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal 500ml 185.00 促銷價(jià):138.75
T27861-100ml 四氫呋喃 [109-99-9] Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal 100ml 92.00 促銷價(jià):69.00
T27862-500ml 四氫呋喃 [109-99-9] 光譜級(jí), ≥99.5% 500ml 172.00
T27865-500ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 500ml 520.00
T27864-100ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 100ml 180.00
T27863-25ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 25ml 83.00
訂貨編號(hào) | 商品名稱 | 規(guī)格 | 包裝 | 單價(jià) | 促銷價(jià) | 會(huì)員價(jià) | 數(shù)量 |
T27863-500ml | 四氫呋喃 [109-99-9] | 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) | 500ml | 150.00 | 94.50 | 登錄可見 |
T27863-500ml 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 500ml 150.00 促銷價(jià):94.50
|
T27864-100ml | 四氫呋喃 [109-99-9] | 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) | 100ml | 83.00 | 52.29 | 登錄可見 |
T27864-100ml 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 100ml 83.00 促銷價(jià):52.29
|
T27865-1L | 四氫呋喃 [109-99-9] | 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) | 1L | 283.00 | 178.29 | 登錄可見 |
T27865-1L 四氫呋喃 [109-99-9] 99.5%,Extra Dry,with molecular sieves,stabilized with BHT,Water≤50ppm(byK.F.) 1L 283.00 促銷價(jià):178.29
|
T27867-500ml | 四氫呋喃 [109-99-9] | ACS,>99.5% (GC) | 500ml | 82.00 | 82.00 | 登錄可見 |
T27867-500ml 四氫呋喃 [109-99-9] ACS,>99.5% (GC) 500ml 82.00
|
T27869-500ml | 四氫呋喃 [109-99-9] | AR | 500ml | 88.00 | 55.44 | 登錄可見 |
T27869-500ml 四氫呋喃 [109-99-9] AR 500ml 88.00 促銷價(jià):55.44
|
T27868-500ml | 四氫呋喃 [109-99-9] | GR,99.5% | 500ml | 91.00 | 57.33 | 登錄可見 |
T27868-500ml 四氫呋喃 [109-99-9] GR,99.5% 500ml 91.00 促銷價(jià):57.33
|
T27861-500ml | 四氫呋喃 [109-99-9] | HPLC, ≥99.9% | 500ml | 120.00 | 120.00 | 登錄可見 |
T27861-500ml 四氫呋喃 [109-99-9] HPLC, ≥99.9% 500ml 120.00
|
T27860-5ml | 四氫呋喃 [109-99-9] | standard for GC, ≥99.9% (GC) | 5ml | 37.00 | 37.00 | 登錄可見 |
T27860-5ml 四氫呋喃 [109-99-9] standard for GC, ≥99.9% (GC) 5ml 37.00
|
T27860-500ml | 四氫呋喃 [109-99-9] | Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal | 500ml | 185.00 | 138.75 | 登錄可見 |
T27860-500ml 四氫呋喃 [109-99-9] Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal 500ml 185.00 促銷價(jià):138.75
|
T27861-100ml | 四氫呋喃 [109-99-9] | Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal | 100ml | 92.00 | 69.00 | 登錄可見 |
T27861-100ml 四氫呋喃 [109-99-9] Water≤50 ppm(by K.F.),99.5%,SafeDry,stabilized with BHT,Safeseal 100ml 92.00 促銷價(jià):69.00
|
T27862-500ml | 四氫呋喃 [109-99-9] | 光譜級(jí), ≥99.5% | 500ml | 172.00 | 172.00 | 登錄可見 |
T27862-500ml 四氫呋喃 [109-99-9] 光譜級(jí), ≥99.5% 500ml 172.00
|
T27865-500ml | 四氫呋喃 [109-99-9] | 無水級(jí),99.9% | 500ml | 520.00 | 520.00 | 登錄可見 |
T27865-500ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 500ml 520.00
|
T27864-100ml | 四氫呋喃 [109-99-9] | 無水級(jí),99.9% | 100ml | 180.00 | 180.00 | 登錄可見 |
T27864-100ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 100ml 180.00
|
T27863-25ml | 四氫呋喃 [109-99-9] | 無水級(jí),99.9% | 25ml | 83.00 | 83.00 | 登錄可見 |
T27863-25ml 四氫呋喃 [109-99-9] 無水級(jí),99.9% 25ml 83.00
|
化學(xué)性質(zhì)
無色液體。有醚樣氣味。能與水、醇類、醚類、酮類、酯類和烴類混溶。易燃。有刺激性。 密度:0.8892 熔點(diǎn):-108.5℃ 沸點(diǎn):66℃ 折光率:1.4070 閃點(diǎn):-17℃ 在貯存中易形成過氧化物,可加0.0025%-0.025%2,6-二叔丁基對(duì)甲酚(BHT)作穩(wěn)定劑或不加穩(wěn)定劑,均在標(biāo)簽上加以說明。
質(zhì)量標(biāo)準(zhǔn)
項(xiàng)目 分析純 |
(AR) |
外觀Appearance 無色液體 |
純度Purity ≥99.0% (GC) |
比重Specific gravity (20/20°C) 10.8860~0.8890 |
折光率Refractive index n20/D 1.4060~1.4080 |
蒸發(fā)殘?jiān)麰vaporation residue ≤ 0.005% |
水分(H2O)Water ≤0.10% |
項(xiàng)目 色譜純 |
(HPLC) |
外觀Appearance 透明液體 |
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配 |
純度Purity ≥99.9% (GC) |
紫外吸光度UV Absorbance: |
吸收波長Wavelength (nm) Max. Absorbance |
250 0.180 |
300 0.020 |
350 0.005 |
400 0.005 |
過氧化物Peroxides at Time of Packaging <2 mg/L (as H2O2) |
折光率Refractive Index at 20°C 1.4070 ± 0.0005 |
殘?jiān)黂esidue <1 mg/L |
UV截至UV Cutoff 212 nm |
水分Water <0.03% |
備注:色譜純用于HPLC, GC, 和光譜分析.充氮封存 |
項(xiàng)目 ACS級(jí) |
(ACS) |
外觀Appearance 透明液體 |
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配 |
純度Purity >99.5% (GC) |
色度Color scale <10 APHA |
水分Water <0.03 % (Coulometric) |
酸度/堿度Acidity/alkalinity <0.0002 mg/g (相當(dāng)于0.0012% HOAc) |
灼燒殘?jiān)黂es. after ignition <0.002 % |
鈣Ca < 0.5 ppm |
銅Cu < 0.05 ppm |
鉛Pb < 0.05 ppm |
鐵Fe < 0.5 ppm |
過氧化物Peroxides <0.005 % |
穩(wěn)定劑Stabilizer 75 - 400 ppm BHT |
項(xiàng)目 優(yōu)級(jí)純 |
(GR) |
外觀Appearance 透明液體 |
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配 |
純度Purity ≥99.9% (GC) |
折光率Refractive index n20/D 1.4060 - 1.4080 |
色度Color scale 5APHA-10APHA |
水分Water <0.03 % (Coulometric) |
過氧化物Peroxides 0-2PPM(以 H2O2計(jì)) |
穩(wěn)定劑Stabilizer 0.025 - 0.04 % BHT |
品級(jí) 超純無水級(jí) |
(extra pure, anhydrous) |
外觀Appearance 無色液體 |
紅外光譜鑒別Infrared spectrometry 符合 |
純度Purity ≥99.9% (GC) |
折光率Refractive index n20/D 1.4060 - 1.4080 |
色度Color scale <10 APHA |
水分Water <0.002 % (KF) |
過氧化物Peroxides <0.003 % (as H2O2) |
穩(wěn)定劑Stabilizer 250 ppmBHT |
項(xiàng)目 光譜級(jí) |
(spectrophotometric grade) |
外觀Appearance 透明液體 |
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配 |
純度Purity ≥99.5% (GC) |
吸收波長Wavelength (nm) Max. Absorbance |
UV Absorbance 400nm ≤0.005 |
UV Absorbance 350nm ≤0.005 |
UV Absorbance 300nm ≤0.02 |
UV Absorbance 250nm ≤0.18 |
UV Absorbance 212nm ≤1.0 |
過氧化物Peroxides at Time of Packaging ≤0.015 % as H2O2 |
折光率Refractive Index at 20°C 1.4070 ± 0.0005 |
UV截至UV Cutoff 212 nm |
水分Water <0.02 % |
蒸發(fā)殘?jiān)黂esidue on Evaporation ≤0.0005 % |
危險(xiǎn)性質(zhì)
危險(xiǎn)品標(biāo)志 Xi,F
危險(xiǎn)類別碼 36/37/38-36/37-19-11
安全說明 26-36-33-29-16
海關(guān)編碼 29321100
WGK Germany
RTECS MD091600
F 3-10-23
HazardClass 3
PackingGroup II
用途及存儲(chǔ)
氨基酸和肽的紙層析。溶劑。有機(jī)合成。高效液相色譜,紫外發(fā)光光度分析。
密封干燥保存。