L-(−)-Malic acid
        
        Molecular Structure:
 
        MDL:
MFCD00064213
        Molecular Formula:
	C4H6O5;HO2CCH2CH(OH)CO2H
        Molecular Weight:
	134.09
        Alias:
	L-羟基丁二酸
(S)-(−)-2-Hydroxysuccinic acid
L-Hydroxybutanedioic acid
Apple acid
L-(-)-Apple Acid 
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | L-(−)-Malic acid | 97% | 25g | RMB 99 | 现货 | 
          
            | L-(−)-Malic acid | 97% | 100g | RMB 198 | 现货 | 
          
            | L-(−)-Malic acid | 98% | 25g | RMB 121 | Consulting service | 
          
            | L-(−)-Malic acid | 98% | 100g | RMB 429 | Consulting service | 
          
            | L-(−)-Malic acid | cp | 100g | RMB 209 | Consulting service | 
          
            | L-(−)-Malic acid | 98% | 500g | RMB 1925 | Consulting service | 
          
            | L-(−)-Malic acid | cp | 25g | RMB 44 | Consulting service | 
        
         
        Character:
	白色结晶体或结晶粉末。有较强的吸湿性,易溶于水、乙醇。 水中溶解度:360 g/L。
熔点: 101-103 °C
        Quality Standard:
外观Appearance                          白色结晶粉末或颗粒
纯度Purity                              ≥98.0% (中和滴定)
熔点Melting point                       99°C - 107°C
水溶性实验Solubility in Water           溶液透明
重金属Heavy metals (as Pb)              <20 ppm
硫酸盐灰分Sulfated ash                  <0.2 %
比旋光度Specific rotation [a]20/D       -1.6°~ -2.6°  (c=8.5, water)
砷As                                    < 2 ppm
硫酸根SO4                               < 300 ppm
氯Cl                                    < 100 ppm
富马酸fumaric acid:                     < 0.2% 
        Storage:
	避光、密闭、干燥阴凉处贮存。
		
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