商品名：硫酸铵

别 名：硫酸铵 ,硫酸铔 ,硫铵，Sulfuric acid diammonium salt ；Wasfcaguite

英文名：Ammonium sulfate

产 地：湖南

Cas号：7783-20-2

MDL：MFCD00167446

Beilstein：

EINECS：231-984-1

分子结构：

分子式：H8N2O4S； (NH4)2SO4

分子量：132.1400

备注：

性状：无色结晶或白色颗粒。无气味。280℃以上分解。易溶于水，水中溶解度(G/100G饱和溶液)：0℃时41.22,25℃时43.47,100℃时50.42。不溶于乙醇和丙酮。水溶液呈酸性反应，0.1mol/L水溶液的pH为5.5。相对密度1.77。折光率1.521。低毒,半数致死量(大鼠,经口)3000mG/kG。有刺激性。在潮湿空气中会吸收水份而结块，与碱类作用放出氨气。。灼烧时则分解为氨及硫酸。

质量标准：GB/T 1396-93
项目Item                                               分析纯      化学纯
                                                        (AR)        (CP)
含量［(NH₄2SO₄)Assay,%                                  ≥99.0      99.0
pH(50g/L溶液，25℃)                                     4.8-6.0    4.8-6.0
澄清度试验Clarity                                        合格       合格
水不溶物Insoluble matter in water,%                     ≤0.002     0.01
灼烧残渣(以硫酸盐计)Ignition residue,%                  ≤0.01      0.5
氯化物(Cl)Chloride,%                                    ≤0.0005    0.001
硝酸盐(NO₃)Nitrate,%                                    ≤0.001     0.005
磷酸盐(PO₄)Phosphate,%                                  ≤0.0005    0.002
钙(Ca)Calcium,%                                         ≤0.005      --
铁(Fe)Iron,%                                            ≤0.0002    0.0005
砷(As)Arsenic,%                                         ≤0.00002   0.0002
重金属(以Pb计)Heavy metals,%                            ≤0.0005    0.002


品级Grade                               优级纯  
                                        (GR)
含量assay                              ≥99.5% (T)
不溶物insoluble matter,                passes filter test
灼烧残渣Residue on ignition            ≤0.01% (as SO4)
干燥失重loss on drying                 ≤0.1% , 110 °C
pH                                     5.0-6.0 (25 °C, 1 M in H2O)
水溶性solubility H2O:                  soluble1 M at 20 °C, clear, colorless
氯chloride (Cl-):                      ≤5 ppm
硝酸根nitrate (NO3-):                  ≤10 ppm
硫酸根phosphate (PO43-):               ≤5 ppm
阳离子cation traces
  Al: ≤5 ppm
  As: ≤0.2 ppm
  Ba: ≤5 ppm
  Bi: ≤5 ppm
  Ca: ≤10 ppm
  Cd: ≤1 ppm
  Co: ≤5 ppm
  Cr: ≤5 ppm
  Cu: ≤2 ppm
  Fe: ≤2 ppm
  K: ≤50 ppm
  Li: ≤5 ppm
  Mg: ≤5 ppm
  Mn: ≤5 ppm
  Mo: ≤5 ppm
  Na: ≤50 ppm
  Ni: ≤5 ppm
  Pb: ≤2 ppm
  Sr: ≤5 ppm
  Zn: ≤1 ppm
λ 1 M in H2O
UV absorption
  λ: 260 nm A:                   ≤0.037
  λ: 280 nm A:                   ≤0.030  


ACS级
项目名称Item                                            ACS Grade
含量Assay                                               ≥99.0%
pH(5%溶液,25.0℃)pH                                     5.0-6.0
不溶物Insoluble matter                                  ≤0.005
灼烧残渣Residue after ignition                          ≤0.005%
氯化物(Cl)Chloride(Cl)                                  ≤5ppm
硝酸盐(NO₃)Nitrate                                      ≤0.001%
磷酸盐(PO₄)Phosphate                                    ≤5ppm
重金属(以Pb计)Heavy metals(as Pb)                       ≤5ppm
铁(Fe)Iron(Fe)                                          ≤5ppm


品级Grade                               用于分子生物学  
                                    (for molecular biology, ≥99.0%)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
含量assay                               ≥99.0%(中和滴定）
水溶解试验solubility in water           CLEAR ,2G/3ML WATER
不溶物Insoluble matter                  ≤0.005%
氯chloride (Cl-):                       ≤5 ppm
铜Cu:                                   ≤5 ppm
铁Fe:                                   ≤5 ppm
锌Zn:                                   ≤5 ppm
重金属heavy metals (as Pb):             ≤2 ppm
UV ABSORBANCE,1 M SOLUTION
  A1M/260                               ≤0.03
  A1M/280                               ≤0.025
DNase, RNase, and protease              none detected


品级Grade                               用于植物细胞培养  
                                    (plant cell culture tested, ≥99.0%)
外观Appearance                          白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
含量assay                               ≥99.0%(中和滴定）
水溶解试验solubility in water           CLEAR ,2G/3ML WATER
不溶物Insoluble matter                  ≤0.005%
氯chloride (Cl-):                       ≤5 ppm
铜Cu:                                   ≤5 ppm
铁Fe:                                   ≤5 ppm
锌Zn:                                   ≤5 ppm
重金属heavy metals (as Pb):             ≤2 ppm
植物细胞培养Plant cell culture test     PASSES


≥99.99% metals basis：


外观Appearance                          白色结晶
X-射线衍射分析X-Ray Diffraction         Conforms to standard
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP assay                               confirms sulfur component.  
痕量金属分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission
灼烧残渣residue on ignition             ≤0.005%
不溶物insoluble matter                  ≤0.005%  (c=10%, H2O)
氯chloride                              ≤5 ppm  
铁iron                                  ≤5 ppm  
重金属heavy metals                      ≤5 ppm  (as pb)
硝酸根nitrate                           ≤0.001%
pH                                      5.0 - 6.0 ， 25 °C (c=5%, H2O)
磷酸盐phosphate                         ≤5 ppm



≥99.999% metals basis：


外观Appearance                          白色结晶或结晶粉末
X-射线衍射分析X-Ray Diffraction         Conforms to standard
红外光谱鉴别Infrared spectrometry       Conforms to Structure
纯度Purity                              ≥99.999% Based on Trace Metals Impurities of ICP
S 23,7 - 24,9 % (Gravimetric Analysis With Barium Chloride)
SO4 71,2 - 74,2 % (Gravimetric Analysis With Barium Chloride)
痕量金属分析Trace Metal Analysis        ≤10ppm by ICP Atomic emission
(Ca、Cr、Fe、Mg、Na)

存储：密封保存。

用途：生物制剂。细菌培养。沉淀蛋白质。色谱分析。单倍体育种中配制砂培培养基。尿液检验。 医药用作盐析剂、食品酱色的催化剂和用于鲜酵母生产酵母菌的培养。也用作酸性染料的助染剂和皮革的脱灰剂。生产双氧水用来制过硫酸铵，以及电镀等。

联合编号：

RISK：

Safety：

Hazard：