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新西蘭 甲醇

 
 
單價(jià) 2380.00 / 噸對(duì)比
詢價(jià) 暫無
發(fā)貨 上海付款后48小時(shí)內(nèi)
品牌 甲醇
型號(hào) 67-56-1
規(guī)格 160kg/桶
過期 長(zhǎng)期有效
更新 2012-11-12 13:28
 

上海市西橋化工有限公司

企業(yè)會(huì)員第14年
資料未認(rèn)證
保證金未繳納
  • 上海
  • 上次登錄 2012-11-12
  • 陳樹德 (先生)   銷售
詳細(xì)說明
甲醇規(guī)格:99.5%     產(chǎn)地:新西蘭    包裝:160kg/桶    價(jià)格:2380元/噸    
甲醇
Methanol
Cas號(hào):  67-56-1       
Beilstein 1098229 
分子式    CH4OCH3OH
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(fā),易流動(dòng),燃燒時(shí)無煙有藍(lán)色火焰,能與水、醇、醚等有機(jī)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(yōu)于乙醇,能溶解多種無機(jī)鹽類,如碘化鈉、氯化鈣、硝酸銨、硫酸銅、硝酸銀、氯化銨和氯化鈉等。 
密度:0.7915
熔點(diǎn):-97.8
沸點(diǎn):64.7
閃點(diǎn):12
折光率n20/D1.3292
備注:      以上描述,僅作參考,并不表示您收到的產(chǎn)品,與此項(xiàng)描述完全相符,產(chǎn)品的出廠標(biāo)準(zhǔn),請(qǐng)參見質(zhì)量標(biāo)準(zhǔn)。
質(zhì)量標(biāo)準(zhǔn)      
      項(xiàng)目Item                       分析純   化學(xué)純       優(yōu)級(jí)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(yàn)Solubility in water            合格          合格         合格
蒸發(fā)殘?jiān)?/strong>Evaporation residue,%            0.001       0.001
水分(H2O)Water,%                         0.1         0.3          0.05
酸度(H+計(jì))Acidity,mmol/100g            0.04        0.08         0.002
堿度(OH-計(jì))Alkalinity,mmol/100g      0.08        0.016        0.0001
易碳化物質(zhì)Readily carbonizable
substance                          合格    合格          合格
羰基化合物(CO計(jì))Carbonly compounds,%   0.005       0.01         0.005
還原錳酸鉀物質(zhì)Potassium                 合格         合格          合格
perman-ganate reducing s-
ubstances
 
無水甲醇:
品級(jí)Grade                                       分析純,無水級(jí)
                                                 (ARanhydrous)
含量(CH3OH)Assay,%                            99.5
沸點(diǎn)Boiling point,                            64-65
與水混合試驗(yàn)Miscibility with water               合格
蒸發(fā)殘?jiān)?/strong>Evaporation residue,%                 0.05
水份(H2O)Water,%                              0.04
酸度(H+計(jì))Acidity,m mol/100g                0.04
堿度(OH-計(jì))Alkalinity,m mol/100g            0.01
醛與酮(CH3COCH3計(jì))Aldehdes and kelones,%    0.003               
還原高錳酸鉀物質(zhì)Potassium permanganate
reducing substances                      合格
易炭化物質(zhì)Readily carbonizable substances        合格
(用于滴定)
 
項(xiàng)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(fā)殘?jiān)?/strong>Residue on Evaporation           0.0001 %
色度Color Test                           10 APHA
碳化合物Carbonyl Compounds               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(xiàng)目                                     農(nóng)殘級(jí)    
                                (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(fā)殘?jiān)?/strong>Residue after evaporation       <0.0001 %
halogenated residue (GC/ECD)            <10 ng/L (as heptachlor epoxide)
 
Grade                               ACS級(jí)光譜級(jí)  
                                  (ACS spectrophotometric grade)
含量assay                               99.9%
還原高錳酸鹽物質(zhì)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(fā)殘?jiān)?/strong>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(jí)Grade                               LC-MS級(jí)  
                                  (for LC-MS,99.9%)
外觀Appearance                          Clear Colorless Liquid
熒光Fluorescence 254nmas Quinine    1 ppb
熒光Fluorescence 365nmas 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(fā)殘?jiān)?/strong>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(jí)Grade                          用于自動(dòng)多次展開(AMD)技術(shù) 
                                      (grade AMD, 99.9%)
含量assay                               99.9% (GC)
游離堿free alkali (as NH3)              0.0005% 
非揮發(fā)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(jí)Grade                             酮級(jí),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(jí)Grade                               蛋白測(cè)序級(jí)  
                                 (for protein sequencing,≥99.9 % )
外觀Appearance                          Clear Colorless Liquid 
純度Purity                              99.9 %(GC)
蛋白測(cè)序測(cè)試Test for protein sequencing passes
 
品級(jí)Grade                               梯度級(jí)  
                                 (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(fā)殘?jiān)?/strong>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(jí)Grade                                 ACS級(jí)  
                                      (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(fā)殘?jiān)?/strong>Residue on Evaporation          0.001 %
溶解試驗(yàn)Solubility                      Pass
羰基化合物Carbonyl                      Pass
硫酸黑化物質(zhì)Substance darkened by H2SO4 Pass
MnO4還原物質(zhì)Substances reducing MnO4    Pass
可滴定酸Titratable acid                 0.0003 meq
可滴定堿Titratable base                 0.0002 meq
 
品級(jí)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(fā)殘?jiān)?/strong>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       分離硫酸鈣和硫酸鎂, 與異丁醇混合分離鍶和鋇的溴化物。檢驗(yàn)和測(cè)定硼, 溶劑, 有機(jī)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(lián)合國(guó)編號(hào)    1230
Risk    R11- R23/24/25- R39/23/24/25-
Safety :  S16 - S36/37 - S45 - S7 -
Hazard : F - T -
 
 
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