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首页 > 供应产品 > 新西兰 甲醇
新西兰 甲醇
品牌: 甲醇
型号: 67-56-1
规格: 160kg/桶
单价: 2380.00元/吨
最小起订量:
供货总量:
发货期限: 自买家付款之日起 3 天内发货
有效期至: 长期有效
最后更新: 2013-10-22 16:42
 
详细信息
甲醇规格:99.5%     产地:新西兰    包装:160kg/桶    价格:2380元/吨    
甲醇
Methanol
Cas: 67-56-1    
分子式 CH4O;CH3OH
分子量 32.04
别名    木醇,木精
Wood alcohol
性状    微有乙醇样气味,易挥发,易流动,燃烧时无烟有蓝色火焰,能与水、醇、醚等有机溶剂互溶,能与多种化合物形成共沸混合物,能与多种化合物形成溶剂混溶,溶解性能优于乙醇,能溶解多种无机盐类,如碘化钠、氯化钙、硝酸铵、***铜、硝酸银、***和氯化钠等。 
密度:0.7915
熔点:-97.8℃
沸点:64.7℃
闪点:12℃
折光率n20/D:1.3292
备注:  以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准   
    项目Item                       分析纯     化学纯       优级纯
                                          (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 
水溶性试验Solubility in water            合格          合格         合格
蒸发残渣Evaporation residue,%            ≤0.001       0.001
水分(H2O)Water,%                         ≤0.1         0.3          0.05
酸度(以H+计)Acidity,mmol/100g            ≤0.04        0.08         0.002
碱度(以OH-计)Alkalinity,mmol/100g      ≤0.08        0.016        0.0001
易碳化物质Readily carbonizable
substance                          合格     合格          合格
羰基化合物(以CO计)Carbonly *pounds,%   ≤0.005       0.01         0.005
还原 锰酸钾物质Potassium                 合格         合格          合格
perman-ganate reducing s-
ubstances
无水甲醇:
品级Grade                                       分析纯,无水级
                                                 (ARanhydrous)
含量(CH3OH)Assay,%                            ≥ 99.5
沸点Boiling point,℃                            64-65
与水混合试验Miscibility with water               合格
蒸发残渣Evaporation residue,%                 ≤ 0.05
水份(H2O)Water,%                              ≤ 0.04
酸度(以H+计)Acidity,m mol/100g                ≤ 0.04
碱度(以OH-计)Alkalinity,m mol/100g            ≤ 0.01
醛与酮(以CH3COCH3计)Aldehdes and kelones,%    ≤ 0.003               
还原 锰酸钾物质Potassium permanganate
reducing substances                      合格
易炭化物质Readily carbonizable substances        合格
(用于滴定)
项目                                     色谱纯    
                                     ( for HPLC, 99.9%)
外观Appearance                           Colorless Liquid
红外光谱鉴别Infrared spectrometry        Conforms
纯度Purity (GC)                          ≥99.90 %
水分Water                                ≤0.05 % (by Karl Fischer)
蒸发残渣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
可滴定碱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
项目                                     农残级    
                                (for residue analysis, 99.9%)
外观Appearance                          无色液体
纯度Purity                              ≥99.9% (GC)
色度Color scale                         <10 APHA
水分Water                               <0.05% (K.F)
酸度Acidity (CH3COOH)                   <0.003 %
蒸发残渣Residue after evaporation       <0.0001 %
halogenated residue (GC/ECD)            <10 ng/L (as heptachlor epoxide)
Grade                               ACS级光谱级  
                                  (ACS spectrophotometric grade)
含量assay                               ≥99.9%
还原 锰酸盐物质MnO4- reducers,         passes test
可滴定酸Titrable acid                   ≤0.0002 meq/g
可滴定碱Titrable base                   ≤0.0003 meq/g
乙醛acetaldehyde                        ≤0.001% 
acetone                             ≤0.001%
甲醛formaldehyde                        ≤0.001%
水分water                               ≤0.1% 
蒸发残渣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
品级Grade                               LC-MS  
                                  (for LC-MS,99.9%)
外观Appearance                          Clear Colorless Liquid
荧光Fluorescence 254nm(as Quinine)    ≤1 ppb
荧光Fluorescence 365nm(as Quinine)    ≤1 ppb
Test for suitability for LC-MS           Passes
HPLC Absorbance 254 nm                  0.005 Abs UN
纯度Purity (GC)                         ≥99.90 %
水分Water                               ≤0.02 % (by Karl Fischer)
蒸发残渣Residue on Evaporation          ≤0.0005 %
碱度Alkalinity (as NH3)                 ≤0.0005 %
游离酸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
品级Grade                          用于自动多次展开(AMD)技术 
                                      (grade AMD, 99.9%)
含量assay                               ≥99.9% (GC)
游离碱free alkali (as NH3)              ≤0.0005% 
非挥发物non-volatile matter             ≤0.0005%
水分water                               ≤0.02% (Karl Fischer)
荧光fluorescence (quinine) at 254 nm    ≤1 ppb 
荧光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
品级Grade                             无 酮级,用于Romanowsky甲醇染色法  
                                      (Acetone free
外观Appearance                         Clear Colorless Liquid
颗粒/沉淀物particles/precipitate       free 
(备注:适合作为固定剂和制备各种Romanowsky型染色液)
品级Grade                               蛋白测序级  
                                 (for protein sequencing,≥99.9 % )
外观Appearance                          Clear Colorless Liquid 
纯度Purity                              ≥99.9 %(GC)
蛋白测序测试Test for protein sequencing passes
品级Grade                               梯度级  
                                 (gradient grade, for HPLC, 99.9% )
外观Appearance                          Colorless liquid
纯度Purity (GC)                         ≥99.90 %
水分Water (by Karl Fischer)             ≤0.02 %
蒸发残渣Residue on Evaporation          ≤0.0005 %
碱度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
荧光Fluorescence 254nm                  ≤1.0 ppb(As Quinine)
品级Grade                                 ACS  
                                      (ACS, 99.8% )
外观Appearance                          Colorless liquid
红外光谱Infrared spectrum               Conforms to Structure
色度Color Test                          ≤10 APHA
纯度Purity (GC)                         ≥99.80 %
水分Water (by Karl Fischer)             ≤0.1 %
蒸发残渣Residue on Evaporation          ≤0.001 %
溶解试验Solubility                      Pass
羰基化合物Carbonyl                      Pass
***黑化物质Substance darkened by H2SO4 Pass
MnO4还原物质Substances reducing MnO4    Pass
可滴定酸Titratable acid                 ≤0.0003 meq
可滴定碱Titratable base                 ≤0.0002 meq
品级Grade                             HPLC, 用于制备  
                                     (for HPLC,99.5% )
外观Appearance                          Colorless liquid
红外光谱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
荧光Fluorescense
365nm                                   1.0 ppb (as Quinine)
254nm                                   1.0 ppb (as Quinine)
HPLC吸光度HPLC Absorbance
230nm                                   2mAU
254 nm                                  5mAU       
纯度Purity (GC)                         ≥99.90 %
水分Water (by Karl Fischer)             ≤ 0.05 %
蒸发残渣Residue on Evaporation          ≤0.0001 %
色度Color Test                          ≤10 APHA
可滴定酸Titratable Acid                 ≤0.0003
贮存    密封阴凉处保存。
用途    分离***钙和***镁, 与异丁醇混合分离锶和钡的溴化物。检验和测定硼, 溶剂, 有机合成的甲基化剂, 防冻剂, 萃取剂, 清洗剂, 稀释剂, 脱水剂, 浸出剂。
联合国编号 1230
Risk: R11- R23/24/25- R39/23/24/25-
Safety :    S16 - S36/37 - S45 - S7 -
Hazard :    F - T -
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