| Message: | DL-Malic acid
Name:DL-Malic acid
Synonym: DL-Hydroxysuccinic acid; Malicacidpfelsure; 2-hydroxybutanedioic acid; (2S)-2-hydroxybutanedioate; (2R)-2-hydroxybutanedioate
CAS: 617-48-1;6915-15-7
EINECS:210-514-9
Assay:90%
M.F:C4H6O5
M.W:134.08864
InChI： InChI=1/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/p-2/t2-/m1/s1
MP:130-132℃
BP: 306.4°C at 760 mmHg
Density:（g/mL,25/4℃）：1.609
Appearance:Colorless crystal or white crystalline powder, odorless or a specific odor, special pleasant acid.
Application:1.malic acid is a safe food additive internationally recognized, as sour agent, antistaling agent and pH regulator, the soft acidity and long durability, sour than citric acid 20%. Can be used in all kinds of food, proper use according to production needs.
2.apple acid can form chelate with metal ions, can be used to remove metal corrosion products (Tie Xiu). To be alone or with other organic acids with the use, as metal cleaning agent.
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