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甲酸    规格:88.0%   产地:德国    包装:250kg/桶   价格:3800元/吨

甲酸

Formate

Cas号: 64-18-6 

分子式  CH2O2；CH2O2HCOOH

分子量  46.03

别名    蚁酸

Formic acid solution

性状    无色、发烟、有刺激气味的透明液体，能与水、醇、醚和油任意混合，对皮肤有腐蚀性。

密度：1.220

熔点：8.4℃

沸点：100.5℃

闪点：50℃

折光率n20/D：1.3714(20℃)

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   

    GB/T 15896-95

项目Item                                    分析纯       化学纯

                                             (AR)         (CP)

含量(CHO2)Assay,%                         ≥ 88.0         85.0

蒸发残渣Evaporation residue,%             ≤ 0.002        0.002

与水混合试验Miscibility with water           合格         合格

氯化物(Cl)Chloride,%                      ≤ 0.005        0.001

硫酸盐(SO4)Sulfate,%                      ≤ 0.001        0.002

亚硫酸盐(SO3)Sulfite,%　                     合格         合格

铁（Fe)Iron,%                             ≤ 0.0001        0.0005

重金属(以Pb计)Heavy metals,%              ≤ 0.0001        0.0005

 

ACS级

项目名称Item                              ACS Grade

含量(HCOOH)Assay                          88.0%

色度Color(APHA)                           ≤15

稀释试验dilution test                     Passes test

蒸发残渣Residue after evaporation         ≤0.002%

乙酸Acetic Acid                           ≤0.4%

铵盐(NH4)Ammonium                         ≤0.005%

氯化物(Cl)Chloride(Cl)                    ≤0.001%

硫酸盐(SO4)Sulfate                        ≤0.002%

亚硫酸盐(SO3)Sulfite                      ≤Passes test

重金属(以Pb计)Heavy metals(as Pb)         ≤5ppm

铁(Fe)Iron(Fe)                            ≤5ppm

 

品级Grade                                for LC-MS

纯度Purity                               ≥98.0% (T)  

evapn. residue                           ≤0.002%

相对密度Specific gravity (20/20°C)      1.3700 - 1.3730

折光率Refractive index n20/D             1.2200 - 1.2230

chloride (Cl - ):                        ≤50 ppm

sulfate (SO 4 2- ):                      ≤50 ppm

sulfite (SO 3 2- ):                      ≤10 ppm

Ag:                                      ≤0.02 ppm

Al:                                     ≤0.05 ppm

Ba:                                     ≤0.05 ppm

Bi:                                     ≤0.1 ppm

Ca:                                     ≤0.2 ppm

Cd:                                     ≤0.05 ppm

Co:                                     ≤0.02 ppm

Cr:                                     ≤0.05 ppm

Cu:                                     ≤0.02 ppm

Fe:                                     ≤0.2 ppm

K:                                      ≤0.1 ppm

Li:                                     ≤0.02 ppm

Mg:                                     ≤0.5 ppm

Mn:                                     ≤0.05 ppm

Mo:                                     ≤0.02 ppm

NH 4 + :                                      ≤10 ppm

Na:                                     ≤0.5 ppm

Ni:                                     ≤0.05 ppm

Pb:                                     ≤0.02 ppm

Sr:                                     ≤0.02 ppm

Tl:                                     ≤0.05 ppm

Zn:                                     ≤0.05 ppm

 

95%

外观Appearance                           clear colorless to faint yellow liquid

核磁共振                                 NMR spectrum conforms to structure

纯度Purity(titration with NaOH)          94.5-105.5 %

水分Water(Karl Fischer)                  ≤5%

溶剂残留Solvent content                  ≤1% acetic acid by NMR

 

99%

外观Appearance                           clear colorless to faint yellow liquid

核磁共振                                 NMR spectrum conforms to structure

纯度Purity(titration with NaOH)          98.5-101.5 %

水分Water(Karl Fischer)                  ≤5%

溶剂残留Solvent content                  ≤1% acetic acid by NMR

贮存    密封保存

用途    还原剂，测定砷、铋、铝、铜、金、铟、铁、铅、锰、汞、钼、银和锌等，检定铈，铼和钨，检验芳香族伯胺和仲胺，测定分子量及结晶的溶剂，测定甲氧基，显微分析中用作固定剂，制造甲酸盐类。

联合国编号  1779

Risk： R35-

Safety :   S23- S26- S45 -

Hazard :   C -