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新西蘭 甲醇

 
 
單價 2380.00 / 噸對比
詢價 暫無
發貨 天津付款后3天內
品牌 甲醇
型號 67-56-1
規格 160kg/桶
過期 長期有效
更新 2013-10-22 16:42
 

天津市中建化工有限公司

企業會員第14年
資料未認證
保證金未繳納
  • 天津
  • 上次登錄 2013-10-15
  • 陳國民 (先生)   銷售
詳細說明
甲醇規格:99.5%     產地:新西蘭    包裝:160kg/桶    價格:2380元/噸    
甲醇
Methanol
Cas: 67-56-1    
分子式 CH4O;CH3OH
分子量 32.04
別名    木醇,木精
Wood alcohol
性狀    微有乙醇樣氣味,易揮發,易流動,燃燒時無煙有藍色火焰,能與水、醇、醚等有機溶劑互溶,能與多種化合物形成共沸混合物,能與多種化合物形成溶劑混溶,溶解性能優于乙醇,能溶解多種無機鹽類,如碘化鈉、氯化鈣、硝酸銨、***銅、硝酸銀、***和氯化鈉等。 
密度:0.7915
熔點:-97.8℃
沸點:64.7℃
閃點:12℃
折光率n20/D:1.3292
備注:  以上描述,僅作參考,并不表示您收到的產品,與此項描述完全相符,產品的出廠標準,請參見質量標準。
質量標準   
    項目Item                       分析純     化學純       優級純
                                          (AR)         (CP)         (GR)
含量(CH3OH)Assay,%                    ≥99.5        99.5        99.5
密度(20℃)Density,g/ml              0.791-0.793    0.791-0.795   0.791-0.793g 
水溶性試驗Solubility in water            合格          合格         合格
蒸發殘渣Evaporation residue,%            ≤0.001       0.001
水分(H2O)Water,%                         ≤0.1         0.3          0.05
酸度(以H+計)Acidity,mmol/100g            ≤0.04        0.08         0.002
堿度(以OH-計)Alkalinity,mmol/100g      ≤0.08        0.016        0.0001
易碳化物質Readily carbonizable
substance                          合格     合格          合格
羰基化合物(以CO計)Carbonly *pounds,%   ≤0.005       0.01         0.005
還原 錳酸鉀物質Potassium                 合格         合格          合格
perman-ganate reducing s-
ubstances
無水甲醇:
品級Grade                                       分析純,無水級
                                                 (ARanhydrous)
含量(CH3OH)Assay,%                            ≥ 99.5
沸點Boiling point,℃                            64-65
與水混合試驗Miscibility with water               合格
蒸發殘渣Evaporation residue,%                 ≤ 0.05
水份(H2O)Water,%                              ≤ 0.04
酸度(以H+計)Acidity,m mol/100g                ≤ 0.04
堿度(以OH-計)Alkalinity,m mol/100g            ≤ 0.01
醛與酮(以CH3COCH3計)Aldehdes and kelones,%    ≤ 0.003               
還原 錳酸鉀物質Potassium permanganate
reducing substances                      合格
易炭化物質Readily carbonizable substances        合格
(用于滴定)
項目                                     色譜純    
                                     ( for HPLC, 99.9%)
外觀Appearance                           Colorless Liquid
紅外光譜鑒別Infrared spectrometry        Conforms
純度Purity (GC)                          ≥99.90 %
水分Water                                ≤0.05 % (by Karl Fischer)
蒸發殘渣Residue on Evaporation           ≤0.0001 %
色度Color Test                           ≤10 APHA
碳化合物Carbonyl *pounds               ≤0.001% (each of Acetone, Formaldehyde, and Acetaldehyde)
可滴定酸Titratable acid                  ≤0.0003 meq
可滴定堿Titratable base                  ≤0.0002 meq
λ H2O reference
UV absorption
 λ: 205 nm A:                           ≤1.0
 λ: 210 nm A:                           ≤0.80
 λ: 220 nm A:                           ≤0.20
 λ: 230 nm A:                           ≤0.10
 λ: 250 nm A:                           ≤0.02
 λ: 400 nm A:                           ≤0.005
項目                                     農殘級    
                                (for residue analysis, 99.9%)
外觀Appearance                          無色液體
純度Purity                              ≥99.9% (GC)
色度Color scale                         <10 APHA
水分Water                               <0.05% (K.F)
酸度Acidity (CH3COOH)                   <0.003 %
蒸發殘渣Residue after evaporation       <0.0001 %
halogenated residue (GC/ECD)            <10 ng/L (as heptachlor epoxide)
Grade                               ACS級光譜級  
                                  (ACS spectrophotometric grade)
含量assay                               ≥99.9%
還原 錳酸鹽物質MnO4- reducers,         passes test
可滴定酸Titrable acid                   ≤0.0002 meq/g
可滴定堿Titrable base                   ≤0.0003 meq/g
乙醛acetaldehyde                        ≤0.001% 
acetone                             ≤0.001%
甲醛formaldehyde                        ≤0.001%
水分water                               ≤0.1% 
蒸發殘渣Residue after evaporation       ≤0.001%
色度color                               ≤10(APHA)
λ H2O reference
紫外吸收UV absorption
 λ: 205 nm A:                          ≤1.00
 λ: 210 nm A:                          ≤0.80
 λ: 220 nm A:                          ≤0.40
 λ: 230 nm A:                          ≤0.20
 λ: 240 nm A:                          ≤0.10
 λ: 260 nm A:                          ≤0.04
 λ: 280 nm A:                          ≤0.01
 λ: 400 nm A:                          ≤0.01
品級Grade                               LC-MS  
                                  (for LC-MS,99.9%)
外觀Appearance                          Clear Colorless Liquid
熒光Fluorescence 254nm(as Quinine)    ≤1 ppb
熒光Fluorescence 365nm(as Quinine)    ≤1 ppb
Test for suitability for LC-MS           Passes
HPLC Absorbance 254 nm                  0.005 Abs UN
純度Purity (GC)                         ≥99.90 %
水分Water                               ≤0.02 % (by Karl Fischer)
蒸發殘渣Residue on Evaporation          ≤0.0005 %
堿度Alkalinity (as NH3)                 ≤0.0005 %
游離酸Free Acid (as Formic Acid)      ≤0.001 %
Aluminum (Al)                           0.5 ppm
Barium (Ba)                             0.1 ppm
Cadmium (Cd)                            0.50 ppm
Calcium (Ca)                            0.1 ppm
Chromium (Cr)                           0.02 ppm
Cobalt (Co)                             0.02 ppm
Copper (Cu)                             0.01 ppm
Iron (Fe)                               0.1 ppm
Lead (Pb)                               0.02 ppm
Magnesium (Mg)                          0.1 ppm
Manganese (Mn)                          0.01 ppm
Nickel (Ni)                             0.02 ppm
Potassium (K)                            0.1 ppm
Silver (Ag)                             0.1 ppm
Sodium (Na)                             0.1 ppm
Tin (Sn)                                0.1 ppm
Zinc (Zn)                               0.1 ppm
品級Grade                          用于自動多次展開(AMD)技術 
                                      (grade AMD, 99.9%)
含量assay                               ≥99.9% (GC)
游離堿free alkali (as NH3)              ≤0.0005% 
非揮發物non-volatile matter             ≤0.0005%
水分water                               ≤0.02% (Karl Fischer)
熒光fluorescence (quinine) at 254 nm    ≤1 ppb 
熒光fluorescence (quinine) at 365 nm    ≤1 ppb
透光度transmittance
 210 nm,                               30%
 220 nm,                               50%
 235 nm,                               80%
 260 nm,                               98%
abs. HPLC-gradient/230 nm               2 mAU
test for AMD technique                  passes
品級Grade                             無 酮級,用于Romanowsky甲醇染色法  
                                      (Acetone free
外觀Appearance                         Clear Colorless Liquid
顆粒/沉淀物particles/precipitate       free 
(備注:適合作為固定劑和制備各種Romanowsky型染色液)
品級Grade                               蛋白測序級  
                                 (for protein sequencing,≥99.9 % )
外觀Appearance                          Clear Colorless Liquid 
純度Purity                              ≥99.9 %(GC)
蛋白測序測試Test for protein sequencing passes
品級Grade                               梯度級  
                                 (gradient grade, for HPLC, 99.9% )
外觀Appearance                          Colorless liquid
純度Purity (GC)                         ≥99.90 %
水分Water (by Karl Fischer)             ≤0.02 %
蒸發殘渣Residue on Evaporation          ≤0.0005 %
堿度Alkalinity                          ≤0.0005 %(As NH3)
紫外吸收UV Absorbance 260nm             ≤0.01
紫外吸收UV Absorbance 235nm             ≤0.10
紫外吸收UV Absorbance 220nm             ≤0.30
紫外吸收UV Absorbance 210nm             ≤0.50
HPLC吸收HPLC Absorbance 230 nm          ≤2 mAU
HPLC吸收HPLC Absorbance 254 nm          ≤5 mAU
熒光Fluorescence 254nm                  ≤1.0 ppb(As Quinine)
品級Grade                                 ACS  
                                      (ACS, 99.8% )
外觀Appearance                          Colorless liquid
紅外光譜Infrared spectrum               Conforms to Structure
色度Color Test                          ≤10 APHA
純度Purity (GC)                         ≥99.80 %
水分Water (by Karl Fischer)             ≤0.1 %
蒸發殘渣Residue on Evaporation          ≤0.001 %
溶解試驗Solubility                      Pass
羰基化合物Carbonyl                      Pass
***黑化物質Substance darkened by H2SO4 Pass
MnO4還原物質Substances reducing MnO4    Pass
可滴定酸Titratable acid                 ≤0.0003 meq
可滴定堿Titratable base                 ≤0.0002 meq
品級Grade                             HPLC, 用于制備  
                                     (for HPLC,99.5% )
外觀Appearance                          Colorless liquid
紅外光譜Infrared spectrum               Conforms to Structure
紫外吸光度UV Absorbance
400nm                                   0.005
250nm                                   0.02
230nm                                   0.10
220nm                                   0.20
210nm                                   0.80
205nm                                   1.0
熒光Fluorescense
365nm                                   1.0 ppb (as Quinine)
254nm                                   1.0 ppb (as Quinine)
HPLC吸光度HPLC Absorbance
230nm                                   2mAU
254 nm                                  5mAU       
純度Purity (GC)                         ≥99.90 %
水分Water (by Karl Fischer)             ≤ 0.05 %
蒸發殘渣Residue on Evaporation          ≤0.0001 %
色度Color Test                          ≤10 APHA
可滴定酸Titratable Acid                 ≤0.0003
貯存    密封陰涼處保存。
用途    分離***鈣和***鎂, 與異丁醇混合分離鍶和鋇的溴化物。檢驗和測定硼, 溶劑, 有機合成的甲基化劑, 防凍劑, 萃取劑, 清洗劑, 稀釋劑, 脫水劑, 浸出劑。
聯合國編號 1230
Risk: R11- R23/24/25- R39/23/24/25-
Safety :    S16 - S36/37 - S45 - S7 -
Hazard :    F - T -
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