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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