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L-(−)-Malic acid

Cas:
97-67-6
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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