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磷酸
Phosphorous acid
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
102574 磷酸 GC, ≥85% 100ML 289.00 >10 c-d
102573 磷酸 GCS, ≥85% 5ML 86.00 >10 c-d
102572 磷酸 ≥85 wt. % in H2O, ≥99.999% trace metals basis 100ml 88.00 >10 c-d
102571 磷酸 药用级 500ML 88.00 >10 无货
102570 磷酸 电子级 500ML 76.00 >10 无货
102569 磷酸 ACS, ≥85 wt. % in H2O 500ML 68.00 >10 c-d
102568 磷酸 HPLC 500ML 278.00 >10 c-d
102567 磷酸 GR, ≥85 wt. % in H2O 500ML 59.00 >10 c-d
102566 磷酸 AR, ≥85 wt. % in H2O 500ML 49.00 >10 c-d
性状
质量标准
用途
危险性质
贮存

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

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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