Magnesium Sulphate  

1. Characteristics:
Magnesium sulphate, other names, sulfate bitter, bitter salt, epsomite, Epsom salt, molecular formula MgSO4.7H2O, relative molecular weight 246.47. Feature in white or colorless crystal, odorless, cool, little bitter, dissolve in water easily. It's an important chemical compound. Its constituent elements are magnesium, sulfur and oxygen.

2. Application:
(1)One of its major uses is in agriculture and gardening where it is used as a fertilizer.
(2)Feeding magnesium sulfate is considered as supplement for magnesium for feeding.
(3)There are a number of uses in medical such as diminish inflammation, detumescence, detoxification, acesodyne, cholagogue. And it's also used in treament for pre-eclampsia, eclampsia, preterm labor, heart attack, asthma etc. 
(4)Apply in printing for thin cotton cloth, as weighting agent for cotton and silk, filling for ceiba product. 
(5)Used for grass-making, fertilizer, porcelain, paint, match, detonator and fireproof materials. 
(6)Culture medium ingredient for animalcule industry, additives for brewing. Moreover, it can be apply as magnesium for compensate brewage, as nutrition source in ferment.
(7)As filler in leather-making industry for increasing heat endurance performance. 
(8)In addition, it can be applied as stabilizer of DCP in manufacturing fresh barm, MSG, tooth paste 
(9)Flocculant for cement. 
(10)As well as in paper pulp industry, rayon and silk industry. 
(11)For the product with little crystal water or without crystal water also can be applied in composing and mixing ingredient for products with little water content. Meanwhile, it is able to apply in dryer and dehydrating agent, apply in printing of thin cotton cloth, silk, as weighting agent for cotton silk and filling for ceiba product.
3. Specification:    
CHEMICAL NAME               MAGNESIUM SULFATE
FORMULA
CHARACTERISTICS               MgSO4.7H2O                                   MGSO4.H2O
Appearance                    White Small Granular                             White Small Granular
Purity                                   99.5%min                                                      99%min
MgSO4                               48.59%min    　                                         86%min
MgO                                   16.27%min                                                  28.6%min
Mg                                      9.81%min    　　                                       17.21%min
PH                                         5—9                                                              5—9
Chloride (CL)                   0.02%max                                                 0.02%max
Ferron (Fe)                        0.002%max    　　                                 0.002%max
Arsenic (As)                      0.0002%max    　                                  0.0002%max
Heavy Metal (Pb)              0.0008%max                                        0.0008%max
Insoluble                           0.01%max    　                                        0.01%max
Size (mm)                         0.1-1 1-4 2-4    　                                  0.1-1 1-4 2-4
4. Storage: Magnesium sulphate should be stored in a cool, dry, well-ventilated area in tightly sealed containers