Used as an acidulate in cool drinks, frozen foods, processed foods; Used as color-keeper and antiseptic of juice and as emulsion stabilizer of egg yolk. DL-Malic acid can also be used as pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in textile industry, fluorescent whitening agent of polyester fiber.
| Description |
White crystalline granule or powder |
| Assay(as C4H6O5) |
99.0%~100.5% |
| Specific rotation [α]D 25 |
-0.10°~ +0.10° |
| Heavy Metals(as Pb) |
10mg/kg max |
| Fumaric acid |
1.0% max |
| Residue on Ignition |
0.1% max |
| Maleic acid |
0.05% max |
| Water-insoluble Matter |
0.1% max |
| Arsenic (as As2O3) |
4mg/kg max |
| Sulphate |
300mg/kg max |
| Chloride |
100mg/kg max |
| Initial melting point |
127.0 min |
| D(+)-Malic acid Basic information |
| Product Name: |
D(+)-Malic acid |
| Synonyms: |
(2R)-2-hydroxybutanedioate;(r)-hydroxybutanedioic acid;(R)-(+)-HYDROXYSUCCINIC ACID;(R)-HYDROXYSUCCINIC ACID;(R)-2-HYDROXY-SUCCINIC ACID;R(+)-2-HYDROXYSUCCINIC ACID;(R)-2-HYDROXYBUTANEDICARBOXYLIC ACID;(+)-D-MALIC ACID |
| CAS: |
636-61-3 |
| MF: |
C4H6O5 |
| MW: |
134.09 |
| EINECS: |
211-262-2 |
| Product Categories: |
FINE Chemical & INTERMEDIATES;Food & Feed ADDITIVES;MalicAcidSeries;chiral;API intermediates;All Aliphatics;Carboxylic Acids (Chiral);Chiral Building Blocks;for Resolution of Bases;Optical Resolution;Synthetic Organic Chemistry;CHIRAL CHEMICALS;Chiral chemicals;Chiral Compound;Aliphatics;Chiral Reagents |
| Mol File: |
636-61-3.mol |
| |
| |
| D(+)-Malic acid Chemical Properties |
| Melting point |
98-102 °C(lit.) |
| alpha |
2.2 º (c=3, H2O) |
| Boiling point |
167.16°C (rough estimate) |
| density |
1.60 |
| refractive index |
6.5 ° (C=10, Acetone) |
| storage temp. |
Store below +30°C. |
| solubility |
Soluble in methanol, ethanol, acetone, ether. |
| pka |
3.61±0.23(Predicted) |
| form |
Crystalline Powder |
| color |
White |
| PH |
2.2 (10g/l, H2O, 20ºC) |
| optical activity |
[α]20/D +28.0±2°, c = 5.5% in pyridine |
| Water Solubility |
soluble |
| Merck |
14,5707 |
| BRN |
1723540 |
| CAS DataBase Reference |
636-61-3(CAS DataBase Reference) |
| NIST Chemistry Reference |
(r)-Hydroxybutanedioic acid(636-61-3) |
| Hazard Codes |
Xi |
| Risk Statements |
37/38-41-36/37/38 |
| Safety Statements |
26-36-37/39 |
| WGK Germany |
3 |
| RTECS |
ON7260000 |
| HS Code |
29181980 |
| Provider |
Language |
| D(+)-Malic acid |
English |
| ACROS |
English |
| SigmaAldrich |
English |
| ALFA |
English |
| |
| D(+)-Malic acid Usage And Synthesis |
| Chemical Properties |
white to light yellow crystal powde |
| Uses |
The naturally occuring isomer is the L-form which has been found in apples and many other fruits and plants. Selective α-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid rece |
| Definition |
ChEBI: An optically active form of malic acid having (R)-configuration. |
| Preparation Products |
(R)-(-)-3-Pyrrolidinol hydrochloride-->(R)-(+)-1-Benzyl-3-pyrrolidinol-->(R)-3-Hydroxypyrrolidine-->(S)-(+)-3-Quinuclidinol |
Packing and transportation:
1.Packing:
25kg/ carton or 25kg/bag, or per your requirement.
18mt/20'FCL
2.Storage:
The resin should be stored in a drafty, dry warehouse and away from fire and direct sunlight. It should not be piled up in the open air.
3.Transportation:
During transportation, the product should not be exposed to strong sunlight or rain and should not be transported together with sand, soil, scrap metal, coal or glass. Transportation together with toxic, corrosive and flammable substance is strictly prohibited.
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