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Magnesium sulfate

MDL:
--MFCD00149785
Molecular Formula:
MgSO4•7H2O
Molecular Weight:
246.47
Alias:
苦盐,硫苦,泻利盐,硫酸镁七水 Epsom salt Bitter salt
Product order:
Name Specifications Packing Price Delivery
Magnesium sulfate ≥99% 100g RMB 660 现货
Magnesium sulfate USP, EP, BP 500g RMB 404.8 Consulting service
Magnesium sulfate ACS 500g RMB 30.8 Consulting service
Magnesium sulfate 4N 25g RMB 94.6 Consulting service
Magnesium sulfate SP 25g RMB 94.6 Consulting service
Magnesium sulfate AR 500g RMB 27.5 Consulting service
Character:
无色结晶或白色粉未,溶于水,能溶于丙三醇,微溶于乙醇
Quality Standard:

   GB/T671-77
项目Item                               优等纯    分析纯    化学纯
                     (GR)          (AR)        (CP)
含量(MgSO4•7H2O)Assay,%              ≥99.5          99.0         99.0
水溶液反应Water solution reaction       合格     合格     合格
澄清度试验Clarity            合格     合格     合格
水不溶物Insoluble matter,%           ≤0.002         0.005        0.01
氯化物(Cl)Chloride,%                 ≤0.0002        0.0005       0.001
钠(Na)Sodium,%                       ≤0.005         0.005        0.05
钙(Ca)Calcium,%                      ≤0.01          0.02         0.05
锰(Mn)Manganese,%                    ≤0.0005        0.001        0.005
铁(Fe)Iron,%                         ≤0.0002        0.0005       0.001
锌(Zn)Zinc,%                         ≤0.0005        0.001        0.002
砷(As)Arsenic,%                      ≤0.0005        0.0001       0.0002
重金属(以Pb计)Heavy metals,%         ≤0.0002        0.0005       0.001

ACS级
项目名称Item                         ACS Grade
含量[MgSO4•7H2O]Assay                98.0-102.0%
pH(5%溶液,25.0℃)pH                  5.0-8.2
水不溶物Insoluble matter             ≤0.005%
氯化物(Cl)Chloride(Cl)               ≤5ppm
硝酸盐(NO3)Nitrate                   ≤0.002%
铵(NH4)Ammonium                      ≤0.002%
钙(Ca)Calcium(Ca)                    ≤0.02%
锰(Mn)Manganese(Mn)                  ≤5ppm
钾(K)Potassium(K)                    ≤0.005%
钠(Na)Sodium(Na)                     ≤0.005%
锶(Sr)Strontium(Sr)                  ≤0.005%
重金属(以Pb计)Heavy metals(as Pb)    ≤5ppm
铁(Fe)Iron(Fe)                       ≤5ppm

USP, EP, BP 级
ASSAY (MgSO4; ANHYDROUS BASIS) 99.0 - 100.5% 
pH OF A 5% SOLUTION @ 25oC 5.0 - 9.2 
LOSS ON IGNITION @ 105 C 48.0 - 52.0% 
CHLORIDE (Cl) -- 0.014 % 
IRON (Fe) -- 20 ?G/G 
HEAVY METALS -- 0.001 % 
SELENIUM (Se) -- 0.003 % 
ACIDITY OR ALKALINITY -- TO PASS TEST 
ARSENIC (As) -- 2 PPM 

Storage:

用途  用作泻药,利胆药,用于导泻及十二脂肠导流
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