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首頁 > 供應產品 > 乙酸 產地:德國
乙酸 產地:德國
單價 2700.00 / 噸對比
詢價 暫無
發貨 天津付款后48小時內
庫存 40噸
品牌 乙酸
型號 64-19-7
規格 99.0%
過期 長期有效
更新 2015-05-15 15:06
 
詳細信息
乙酸規格:99.0%   產地:德國/比利時    包裝:200kg/桶    價格:2700元/噸     
冰乙酸
Acetate 
Cas: 64-19-7  
分子式 C2H4O2;CH3COOH
分子量 60.05
別名冰醋酸,乙酸
Acetic acid
Acetic acid glacial
Glacial acetic acid
性狀  無色透明液體。有刺激性氣味。有腐蝕性,對皮膚有刺激痛,發水泡。其蒸氣有毒,并易著火。純的無水乙酸(冰醋酸)是無色的吸濕性液體,凝固點為16.7℃(62℉) ,凝固后為無色晶體。能與水、乙醇、醚、四氯化碳和油混和,難溶于二硫化碳。凝固時體積微縮。
密度:1.048 
熔點: 16-16.5℃
沸點: 117-118℃
折光率n20/D: 1.37-1.373 
閃點:40℃
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  
 GB/T 676-90
項目Item                                        優級純     分析純     化學純
                                                 (GR)      (AR)        (CP)
含量(CH3COOH)Assay,%                            ≥99.8      99.5       99.0
結晶點Freezing point,℃                         ≥16.0      15.1       14.8
蒸發殘渣Evaporation residue,%                   ≤0.001     0.002      0.005
與水混合試驗Miscibility with water                合格      合格       合格
氯化物(Cl)Chloride,%                            ≤0.0001    0.0001     0.0004
禁發 硫酸鹽(SO4)Sulfate,%                            ≤0.0001    0.002      0.0005
鐵(Fe)Iron,%                                   ≤0.00002   0.0001     0.0002
(Cu)Copper,%                                 ≤0.00001   0.00005    0.0001
(Zn)Zinc,%                                    ≤0.00001     --         --
(Pb)Lead,%                                    ≤0.00001   0.00005    0.0001
乙酸酐[CH3CO)2O]Acetic anhydride              ≤0.01      0.02       0.02
還原重鉻酸鹽物質(以O計)Dichromate-reducing
substances,%                                    0.004     0.008      0.01
ACS級
項目名稱Item                                    ACS Grade
含量Assay(as CH3COOH)                            ≥99.7%
色度Color(APHA)                                  ≤10
稀釋試驗Dilution test                            Passes test
蒸發殘渣Residue after evaporation                ≤0.001%
乙酸酐[(CH3CO)2O]Acetic anhydride                ≤0.01%
氯化物(Cl)Chloride(Cl)                           ≤0.0001%
禁發 硫酸鹽(SO4)Sulfate                               ≤0.0001%
重金屬(以Pb計)Heavy metals(as Pb)                ≤0.00005%
(Fe)Iron(Fe)                                   ≤0.00002%
還原重鉻酸鹽Substances reducing dichromate       Passes test
還原高錳酸鹽Substances reducing permanganate     Passes test
可滴定堿Titrable base                            ≤0.0004meq/g
品級Grade                                      電子級  
                                          (semiconductor grade)
                                                Maximum
Assay(CH3COOH)                                  99.7%
Color                                           10 APHA
Cloride(Cl)                                     500ppb
Sulfate(SO4)                                    500ppb
Phosphate                                       500ppb
Residue After Evaporation                       500ppb
Acetic Anhydride                               0.1%
Maximum limit of impurities
Al                                              3ppb
As                                              1ppb
Sb                                              1ppb
Ba                                              1ppb
Be                                              1ppb
Bi                                              1ppb
B                                               3ppb
Cd                                              1ppb
Ca                                              3ppb
Cr                                              1ppb
Co                                              1ppb
Cu                                              1ppb
Ga                                              1ppb
Ge                                              1ppb
Au                                              1ppb
In                                              1ppb
Fe                                              1ppb
Pb                                              1ppb
Li                                              1ppb
Mg                                              1ppb
Mn                                              1ppb
Mo                                              1ppb
Ni                                              1ppb
Nb                                              1ppb
K                                               3ppb
Pt                                              1ppb
Ag                                              1ppb
Na                                              3ppb
Sr                                              1ppb
Sn                                              1ppb
Ta                                              1ppb
Ti                                              1ppb
Zn                                              1ppb
Zr                                              1ppb
Particulate Count
0.3micron                                     200pcs/ml
0.5micron                                     100pcs/ml
品級Grade                                       藥用級   
                                          (Ph. Eur., BP, USP, FCC, 99.8-100.5%)
外觀Appearance                                  Clear colorless liquid
純度Purity(titration)                           99.8-100.5 %
凝固點Congealing temperature                    ≤15.6 ° c
非揮發殘留Nonvolatile residue                   ≤ 0.005%
還原性物質Reducing substances                   pass test
氯化物Chloride                                  pass test
禁發 硫酸鹽Sulfate                                   pass test
Iron                                          ≤5 ppm
重金屬Heavy metals                              ≤5 ppm
易氧化物質Readily oxidizable substances         pass test
項目名稱Item                                    for LC-MS
含量Assay(as CH3COOH)                            ≥99.7%
色度Color(APHA)                                  ≤10
蒸發殘渣Evaporation residue                      ≤0.0005%
乙醛Acetaldehyde                                 ≤0.0002%
乙酸酐Acetic anhydride (GC)                      ≤0.01%
氯離子Chloride (Cl-)                             ≤0.5 mg/kg
磷酸根Phosphate (PO43-)                          ≤0.5 mg/kg
禁發 硫酸根Sulfate (SO42-)                            ≤0.5 mg/kg
Ag                                               0.01 mg/kg
Al                                               0.05 mg/kg
As                                               0.01 mg/kg
Ba                                               0.01 mg/kg
Be                                               0.01 mg/kg
Bi                                               0.1 mg/kg
Ca                                               0.2 mg/kg
Cd                                               0.02 mg/kg
Co                                               0.01 mg/kg
Cr                                               0.05 mg/kg
Cu                                               0.01 mg/kg
Fe                                               0.2 mg/kg
Ge                                               0.05 mg/kg
K                                                0.1 mg/kg
Li                                               0.01 mg/kg
Mg                                               0.1 mg/kg
Mn                                               0.01 mg/kg
Mo                                               0.02 mg/kg
Na                                               0.5 mg/kg
Ni                                               0.05 mg/kg
Pb                                               0.02 mg/kg
Sr                                               0.01 mg/kg
Ti                                               0.01 mg/kg
Tl                                               0.05 mg/kg
V                                                0.01 mg/kg
Zn                                               0.05 mg/kg
Zr                                               0.1 mg/kg
項目名稱Item                                    for HPLC, ≥99.9%
外觀Appearance                                   Colorless Liquid
紅外光譜Infrared spectrum                        Conforms to Structure
純度Purity(GC)                                   ≥99.9 %
紫外吸光度UV absorption                          UV absorption
Absorbance:260 nm                                0.1 A.U.
Absorbance:270 nm                                0.02 A.U.
Absorbance:280 nm                                0.02 A.U.
項目名稱Item                                    用于熒光分析,99.7%
外觀Appearance                                   Colorless Liquid
紅外光譜Infrared spectrum                        Conforms to Structure
純度Purity(GC)                                   ≥99.70 %
乙酸酐Acetic Anhydride                           < 0.01 %
蒸發殘渣Residue on Evaporation                   < 0.001 %
色度Color Test                                   < 10 APHA
氯離子Chloride (CL)                              < 1 ppm
禁發 硫酸鹽Sulfate                                    < 1 ppm
Iron (Fe)                                      < 0.2 ppm
重金屬Heavy metals (as Pb)                       < 0.5 ppm
重鉻酸還原物質Substances reducing Dichromate     Pass
MnO4
貯存密封,在16℃以上的暖處保存,以防凝固而致使容器破裂
用途常用有機酸。分析、溶劑、有機合成,制備緩沖液等。
聯合國編號 2789
Risk: R10- R35- 
Safety : S23- S26- S45- 
Hazard : C -
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