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L-Malic acid CAS#97-67-6
CAS Number: 97-67-6
Chemical Formula: C4H6O5
Synonyms:
L-Mailcacid
L-Gydroxybutanedioicacid
L-(-)-Malic acid, CP
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: White Powder
L-Malic acid CAS#97-67-6
L-Malic acid is nearly odorless (sometimes a faint, acrid odor) with a tart, acidic taste. It is nonpungent. May be prepared by hydration of maleic acid; by fermentation from sugars.L-Malic acid is an organic acid that is commonly found in wine. It plays an important role in wine microbiological stability.
L-Malic acid Chemical Properties |
Melting point | 101-103 °C (lit.) |
alpha | -2 º (c=8.5, H2O) |
Boiling point | 167.16°C (rough estimate) |
bulk density | 600kg/m3 |
density | 1.60 |
vapor pressure | 0Pa at 25℃ |
refractive index | -6.5 ° (C=10, Acetone) |
FEMA | 2655 | L-MALIC ACID |
Fp | 220 °C |
storage temp. | Store below +30°C. |
solubility | H2O: 0.5 M at 20 °C, clear, colorless |
form | Powder |
color | White |
Specific Gravity | 1.595 (20/4℃) |
PH | 2.2 (10g/l, H2O, 20℃) |
pka | (1) 3.46, (2) 5.10(at 25℃) |
Odor | odorless |
Odor Type | odorless |
Optical Rotation | [α]20/D 30±2°, c = 5.5% in pyridine |
biological source | microbial |
Water Solubility | soluble |
Merck | 14,5707 |
JECFA Number | 619 |
BRN | 1723541 |
Cosmetics Ingredients Functions | BUFFERING |
InChI | 1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1 |
InChIKey | BJEPYKJPYRNKOW-REOHCLBHSA-N |
SMILES | O[C@@H](CC(O)=O)C(O)=O |
LogP | -1.68 |
CAS DataBase Reference | 97-67-6(CAS DataBase Reference) |
NIST Chemistry Reference | Butanedioic acid, hydroxy-, (s)-(97-67-6) |
EPA Substance Registry System | Butanedioic acid, 2-hydroxy-, (2S)- (97-67-6) |
Safety Information |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 26-36-37/39 |
WGK Germany | 3 |
RTECS | ON7175000 |
TSCA | TSCA listed |
HS Code | 29181980 |
Storage Class | 11 - Combustible Solids |
Hazard Classifications | Eye Irrit. 2 |
Product Application of L-Malic acid CAS#97-67-6
L-Malic acid is used as a food additive, Selective α-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid receptor agonists, 1α,25-dihydroxyvitamin D3 analogue, and phoslactomycin B.
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