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冰乙酸,64-19-7,Acetate

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冰乙酸

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Acetate

Cas  号: 【64-19-7】   M D L: MFCD00036152
分子式: C2H4O2;CH3COOH   分子量: 60.05
别    名: 冰醋酸,乙酸
分子结构式:  
订货信息:
货号 品名 规格 包装 单价 货期 订购
  冰乙酸 用于LC-MS 500ml 580元   订购
  冰乙酸 用于LC-MS 100ml 280元   订购
  冰乙酸 Ph. Eur., BP, USP, FCC, 99.8-100.5% 500g 128元   订购
  冰乙酸 用于荧光分析,99.7% 500ml 198元   订购
  冰乙酸 电子级, >99.7% 5L 380元   订购
  冰乙酸 电子级, >99.7% 1L 128元   订购
  冰乙酸 ACS, ≥99.7% 500ml 58元   订购
  冰乙酸 分析标准品 5ml 280元   订购
  冰乙酸 HPLC, ≥99.9% 500ml 86元   订购
  冰乙酸 GR 500ml 32元   订购
  冰乙酸 CP 500ml 20元   订购
  冰乙酸 AR 500ml 25元   订购
 
性 状:

冰乙酸,64-19-7,Acetate 

无色透明液体。有刺激性气味。有腐蚀性,对皮肤有刺激痛,发水泡。其蒸气有毒,并易着火。纯的无水乙酸(冰醋酸)是无色的吸湿性液体,凝固点为16.7℃(62℉) ,凝固后为无色晶体。能与水、乙醇、甘油混和,难溶于二硫化碳。凝固时体积微缩。

质量标准: GB/T 676-90
项目Item                                        优级纯     分析纯     化学纯
                                                 (GR)      (AR)        (CP)
含量(CH3COOH)Assay,%                            ≥99.8      99.5       99.0
结晶点Freezing point,℃                         ≥16.0      15.1       14.8
蒸发残渣Evaporation residue,%                   ≤0.001     0.002      0.005
与水混合试验Miscibility with water                合格      合格       合格
氯化物(Cl)Chloride,%                            ≤0.0001    0.0001     0.0004
硫酸盐(SO4)Sulfate,%                            ≤0.0001    0.002      0.0005
铁(Fe)Iron,%                                   ≤0.00002   0.0001     0.0002
铜(Cu)Copper,%                                 ≤0.00001   0.00005    0.0001
锌(Zn)Zinc,%                                    ≤0.00001     --         --
铅(Pb)Lead,%                                    ≤0.00001   0.00005    0.0001
乙酸酐[CH3CO)2O]Acetic anhydride              ≤0.01      0.02       0.02
还原重铬酸盐物质(以O计)Dichromate-reducing
substances,%                                    ≤0.004     0.008      0.01

 

冰乙酸,64-19-7,Acetate 
ACS级
项目名称Item                                    ACS Grade
含量Assay(as CH3COOH)                            ≥99.7%
色度Color(APHA)                                  ≤10
稀释试验Dilution test                            Passes test
蒸发残渣Residue after evaporation                ≤0.001%
乙酸酐[(CH3CO)2O]Acetic anhydride                ≤0.01%
氯化物(Cl)Chloride(Cl)                           ≤0.0001%
硫酸盐(SO4)Sulfate                               ≤0.0001%
重金属(以Pb计)Heavy metals(as Pb)                ≤0.00005%
铁(Fe)Iron(Fe)                                   ≤0.00002%
还原重铬酸盐Substances reducing dichromate       Passes test
还原高锰酸盐Substances reducing permanganate     Passes test
可滴定碱Titrable base                            ≤0.0004meq/g

品级Grade                                       电子级  
                                          (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

贮 存: 密封,在16℃以上的暖处保存,以防凝固而致使容器破裂
用途  常用有机酸。分析、溶剂、有机合成,制备缓冲液等。
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