L(+)-ASPARTIC ACID,China price supplier

L(+)-ASPARTIC ACID  (CAS NO.: 56-84-8)

DESCRIPTION:

White, oderless crystals or crystalline powder having a slightly acid taste. It is slightly soluble in water but insoluble in alcohol and in ether.It melts at about 270°.Chemical Name: trans-Butenedioic Acid

Molecular Formula: C ₄ H ₇ NO ₄

Molecular Weight: 133.10

Solubility                    (g/100g)

SPECIFICATION: (FCCIV, 1996)

Assay( of C ₄ H ₇ NO ₄ ):                               99.5%-101.5%

Heavy Metals(as Pb):                              10mg/kg Max

Lead:                                                      5mg/kg Max

Loss on Dryingn:                                     0.25%Max                                               

Residue on Ignition                                  0.1% Max

maleic acid %:                                        0.10% Max

Residue on Ignition %                              0.1% Max

Specific Rotation[] ²⁵ _D (after drying):                +24.5 ^° - +26.0 ^°

MAIN FUMCTION AND PURPOSE:

L-Aspartic acid can be added into cool drinks as nutrition supplement. It is used in medicine as ammoniac detoxicating agent, hepar function accelerator or fatigue refresher. And it can also be used in biochemical reagent, medium and intermediate in organic synthesis.