L-Malic Acidum Naturale

Product nomen:

L-malic acidum naturale

Synonyma:

L-(-) acidum malicum, CP; acidum butanedioicum, 2-hydroxy-,(2S)-;pinguosuan;Butanedioicacid,hydroxy-,(S)-;hydroxy-,(S)-Butanedioicacid;l-(ii)-malicacid;L-Gydroxybutanedioicacid;L-Mailcacid

CAS;

97-67-6

MF:

C4H6O5

MW:

134.09

EINECS:

202-601-5

Productum Genera:

Plantarum extractiones; Aliphatics; Chiral Reagents, Chiral chemicals, MalicAcidSeries; Carboxylic Acides (Chiral); Chiral Aedificium obstruit; resolutio Basesum

Mol fasciculi:

97-67-6.mol

Exustio punctum 

101-103 °C(lit.)

alpha 

-2 (c=8.5, H2O)

Fervens punctum 

167.16°C (aestimatio aspera)

density 

1.60

FEMA 

2655 | L-MALIC ACIDUM

refractivus index 

-6.5 ° (C=10, Acetone)

Fp 

220 °C

repono temp. 

Repono RT.

solubility 

H2O: 0.5 M in 20 °C, patet, sine colore

forma 

Pulvis

color 

White

Imprimis gravitas

1.595 (20/4℃)

PH

2.2 (10g/l, H2O, 20℃)

pka

(1) 3.46, (2) 5.10(at 25)

optical operatio

[α]20/D 30±2°, c = 5.5% in pyridine

Aqua Solubilitas 

solutum

Merck 

14,5707

JECFA Number

619

BRN 

1723541

InChIKey

BJEPYKJPYRNKOW-REOHCLBHSA-N

CAS DataBase Reference

97-67-6

NIST Chemiae Reference

Acidum butanedioicum, hydroxy- (s)-(97-67-6)

EPA Substantia Registry System

Acidum butanedioicum, 2-hydroxy-, (2S)-(97-67-6)

Discrimen Codes 

Xi

Risk Dictiones 

36/37/38

salus Dictiones 

26-36-37/39

WGK Germania 

3

RTECS 

ON7175000

TSCA 

Ita

HS Code 

29181980

Provisor

Linguae

L(-)-Malic acid

Anglicus

ACROS

Anglicus

SigmaAldrich

Anglicus

ALFA

Anglicus

Descriptio

ι-Malic acidum fere olet (interdum odor tenuis, acre) cum a acerbus, gustus acidicus. Nonpungent. Praeparari per potus maleic Acidum; a fermentum sugars.

Chemical Properties

Acidum L-Malicum fere inodorum est (odor tenuis, acrius). Hoc composita habet saporem acerbum, acidicum, non pungentem.

Chemical Properties

patet hyalina solution

Eventum

Fit in acerno succo, pomo, cucume, papaya, cerevisia, acino, coco, gralia; kiwifruit et cichorium radix.

usus

Isomer naturaliter occurrens est L-forma quae inventa est poma et multa alia poma et plantae. Electivam α-amino protegens reagens ad derivationes amino acid. Synthonis versatilis pro confectione chiral Composita comprehendo κ-opioid rece

usus

Media in synthesi chemica. Cheating and buffering agent. Agens sapidum, sapor augens et acidulans in cibis.

Definition

ChEBI: An optically formam activam habens malici acid (S) -configuration.

Praeparatio

Per hydropicos acidi maleici; a fermentum sugars.

Purificatio Methodi

Crystallize S-malic acid (carbo) ex ethyl acetate/ pet aether (b 55-56o), siccus infra servans 65o. Vel dissolve refluxu anhydroi aetheris diethyl partes quindecim, decantatae, conducunt ad tertiam volubilis et crystallize eam in 0o, saepe ad punctum liquescens assidue. [Beilstein 3 IV 1123.]