| CAS号: | 7664-38-2 | 
| 分子式: | H3O4P | 
| 分子量: | 98 | 
| 别名: | 正磷酸;食用磷酸;乙烯利水剂 | 
| 分子结构式: |  | 
| 货号 | 品名 | 产品规格 | 包装 | 单价(RMB) | 可用库存 | 备注 | 数量 | |
|---|---|---|---|---|---|---|---|---|
无色透明粘稠状液体或斜方晶体,无臭、味很酸。85%磷酸是无色透明或略带浅色,稠状液体。熔点42.35℃,比重1.70,高沸点酸,可与水以任意比互溶,沸点213℃时(失去1/2水),则生成焦磷酸。加热至300℃时变成偏磷酸。相对密度181.834。易溶于水,溶于乙醇。是一种常见的无机酸,是中强酸。其酸性较硫酸、盐酸和硝酸等强酸弱,但较醋酸、硼酸、碳酸等弱酸强
质量标准GB/T 1282-1996 
项目Item                                                          优级纯    分析纯   
                                                                      (GR)      (AR)    
含量(H3PO4)Assay,%                                ≥ 85.0      85.0    
色度,黑曾单位Color(APHA),%                       ≤ 10        25      
灼烧残渣Ignition residue,%                        ≤ 0.1       0.2     
挥发酸Volatile acid,%                            ≤ 0.02      0.02   
氯化物(Cl)Chloride,%                              ≤ 0.0002    0.0003  
硫酸盐(SO4)Sulfate,%                              ≤ 0.001     0.003   
硝酸盐(NO3)Nitrate,%                              ≤ 0.0003    0.0005  
砷(As)Arsenic,%                                   ≤ 0.001     0.0001  
铁(Fe)Iron,%                                      ≤ 0.001     0.002   
钠(Na)Sodium,%                                    ≤ 0.05       --     
钾(K)Potassium,%                                  ≤ 0.005      --     
锰(Mn)Manganese,%                                 ≤ 0.0002    0.0002  
镍(Ni)Nickel,%                                    ≤ 0.0005     --      
铜(Cu)Copper,%                                    ≤ 0.0005     --      
锌(Zn)Zinc,%                                      ≤ 0.001      --      
镉(Cd)Cadmium,%                                   ≤ 0.0005     --      
铅(Pb)Lead,%                                      ≤ 0.0005     --      
重金属(以Pb计)Heavy metals,%                      ≤ --        0.001   
还原物质(以H3PO4
计)Reducing substances,%                          ≤ 0.005     0.01    
项目                       电子级
                                               (semiconductor grade)
含量(P2O5) %                   63.0-68.0 
熔点 ℃                       35.0-42.3 
外观                         不规则粉末 
硝酸盐(NO3) ppm                  ≤5 
硫酸盐(SO4) ppm                  ≤5 
氯化物(Cl) ppm                   ≤5 
铝(Al) ppb                    ≤20 
锑 (Sb) ppb                    ≤300 
砷 (As) ppb                    ≤10 
钡 (Ba) ppb                    ≤20 
镉 (Cd) ppb                    ≤10 
钙 (Ca) ppb                    ≤50 
铬 (Cr) ppb                    ≤10 
钴(Co) ppb                     ≤20 
铜 (Cu) ppb                    ≤20 
金 (Au) ppb                    ≤5 
铁(Fe) ppb                     ≤50 
铅 (Pb) ppb                    ≤10 
锂 (Li) ppb                    ≤10 
镁 (Mg) ppb                    ≤20 
锰 (Mn) ppb                    ≤10 
镍(Ni) ppb                    ≤10 
钾 (K) ppb                     ≤20 
银 (Ag) ppb                    ≤10 
钠 (Na) ppb                    ≤50 
锶 (Sr) ppb                    ≤10 
锌 (Zn) ppb                    ≤10 
ACS级
项目名称Item                                            ACS Grade
含量(H3PO4)Assay                                         ≥85.0%
色度,黑曾单位Color(APHA)                                ≤10
水不溶物Insoluble matter                                 ≤0.001%
氯化物(Cl)Chloride(Cl)                                   ≤3ppm
硝酸盐(NO3)Nitrate                                       ≤5ppm
硫酸盐(SO4)Sulfate                                       ≤0.003%
挥发酸(以乙酸计)Volatile acids(as CH3COOH)               ≤0.001%
锑(Sb)Antimony(Sb)                                       ≤0.002%
钙(Ca)Calcium(Ca)                                        ≤0.002%
镁(Mg)Magnesium(Mg)                                      ≤0.002%
钾(K)Potassium(K)                                        ≤0.005%
钠(Na)Sodium(Na)                                         ≤0.025%
砷(As)Arsenic(As)                                        ≤1ppm
重金属(以Pb计)Heavy metals(as Pb)                        ≤0.001%
铁(Fe)Iron(Fe)                                           ≤0.003%
锰(Mn)Manganese(Mn)                                      ≤0.5ppm
还原性物质Reducing substances                            Passes test
品级Grade                               色谱纯   
                                      (grade for HPLC) 
外观description                         crystals 
含量assay                               85-90% (T) 
熔点mp                                  ~40 °C
λ neat 
紫外吸光度UV absorption 
  λ: 210 nm                            ≤0.07 
  λ: 220 nm                            ≤0.05 
  λ: 230 nm                            ≤0.04 
  λ: 250 nm                            ≤0.04 
  λ: 500 nm                            ≤0.02 
RP gradient test                       complies 
品级Grade                                药用级   
                                        (Ph. Eur., BP, NF, FCC) 
assay                                85.0-88.0% 
alkali phosphates,                   in accordance 
residual solvents,                   in accordance 
substance precip. by Ammonia,        in accordance 
heavy metals (as Pb)                 ≤0.0005%  
volatile acids (as CH3COOH)          ≤0.001%  
anion traces 
  chloride (Cl-):                    ≤5 ppm
  fluoride (F-):                     ≤5 ppm
  nitrate (NO3-):                    ≤5 ppm
  nitrate (NO3-):                    in accordance 
  phosphite, hypophosphite (as H3PO3): ≤30 ppm
  sulfate (SO42-):                   ≤50 ppm 
  sulfate (SO42-):                    in accordance 
cation traces 
  As:                               ≤2 ppm 
  Cd:                               ≤3 ppm
  Cu:                               ≤10 ppm 
  Fe:                               ≤10 ppm 
  Hg:                               ≤1 ppm 
  Pb:                               ≤3 ppm
  Zn:                               ≤10 ppm
suitability passes test for appearance of solution 
≥85 wt. % in H2O, ≥99.999% trace metals basis:
外观Appearance                          Colorless Liquid
X-射线衍射X-Ray Diffraction             Conforms to Structure
纯度Purity                              ≥99.999% Based on Trace Metals Impurities
纯度Purity by Titration by NAOH         ≥85.0 % 
痕量金属杂质total metallic impurities   ≤10ppm by ICP Atomic emission
crystalline, ≥99% 
外观Appearance                                  White Powder, Crystals or Crystalline Powder
纯度Purity (Titration by NaOH)                   98.5- 101.5 %
ICP:                                             Confirms Phosphorus Compo Confirmed
含量assay                                        ≥99.0% (T) 
高锰酸钾还原物KMnO4-reducing matter (as O)       ≤0.002% 
氯chloride (Cl-):                                ≤5 ppm 
硝酸根nitrate (NO3-):                            ≤5 ppm 
磷酸,亚磷酸phosphite, hypophosphite (as H3PO3): ≤500 ppm 
硫酸根sulfate (SO42-):                           ≤30 ppm 
  As:                                            ≤1 ppm 
  Ca:                                            ≤10 ppm 
  Cd:                                            ≤1 ppm 
  Co:                                            ≤1 ppm 
  Cr:                                            ≤1 ppm 
  Cu:                                            ≤1 ppm 
  Fe:                                            ≤10 ppm 
  K:                                             ≤5 ppm 
  Mg:                                            ≤1 ppm 
  Mn:                                            ≤1 ppm 
  Na:                                            ≤50 ppm 
  Ni:                                            ≤1 ppm 
  Pb:                                            ≤1 ppm 
  Zn:                                            ≤1 ppm
 
用途  主要用于乙烯水合生产乙醇用催化剂、高纯磷酸盐、医药品制造、化学试剂。 
用途  主要用于制取化学肥料、洗涤剂、食品和饲料添加剂、阻燃剂及各种磷酸盐  
用途  主要用于磷酸盐工业、电镀、抛光工业、制糖工业、复合肥料等。在食品工业中作为酸味剂、酵母营养剂等 
 
类别 腐蚀物品 
毒性分级 中毒 
危险品标志  C,Xn,T,F 
危险类别码  34-35-22-39/23/24/25-36/38-23/24/25-11 
安全说明  7-16-26-36/37-45-36/37/39-1/2-24/25 
危险品运输编号  UN 3453 8/PG 3
急性毒性 口服- 大鼠  LD50: 15300 毫克/ 公斤 
刺激数据 皮肤- 兔子  595  毫克/ 24小时  重度; 眼- 兔子  119 毫克  重度 
可燃性危险特性 遇H发孔剂可燃; 受热排放有毒磷氧化物烟雾 
储运特性 库房通风低温干燥;与H发孔剂、碱类分开存放。 
灭火剂 砂土、泡沫、水 
职业标准 TLV-TWA 1 毫克/ 立方米; STEL 3 毫克/ 立方米
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