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| Producer, Manufacturer,
Supplier of |
| DL-Malic Acid |
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| GRR
Code : |
0885 |
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| CAS No : |
617-48-1 |
| CI No : |
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| Molecular Formula
: |
C4H6O5 |
| Molecular Weight
: |
134.09 |
| Description
: |
Small white crystals ˇ Solubility in water at 20 ēC 1440 g/l ˇ M. P.: 130 ēC ˇ
APPLICATIONS: Analytical reagentˇ Synthesis reagent: Pechmann synthesis of coumarins ˇ The a-carboxyl-group can be selectively protected by reaction with chloral (Cl3C-CHO)
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| Website : |
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| Synonyms : |
DL-Hydroxybutanedioic Acid, DL-Hydroxysuccinic Acid, C4H6O5 |
| Specifications
: |
| Specifications |
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| Minimum assay (Acidim.) |
99,5 % |
| Identity |
IR p/t. |
| Melting range |
128-131°C |
| Specific rotation [a]20/D c=8,5 (in H2O) |
-0,1 to +0,1° |
MAXIMUM LIMIT OF IMPURITIES |
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| Insoluble matter in H2O |
0,05 % |
| Residue on ignition (as SO4) |
0,02 % |
| Fumaric acid (G.C.) |
1 % |
| Maleic acid (G.C.) |
0,1 % |
| Chloride (Cl) |
0,005 % |
| Sulphate (SO4) |
0,005 % |
| Heavy metals (as Pb) |
0,001 % |
| As |
0,0001 % |
| Ca |
0,002 % |
| Cu |
0,001 % |
| Fe |
0,0001 % |
| Mg |
0,002 % |
| Ni |
0,0005 % |
| Pb |
0,001 % |
| Zn |
0,001 % |
HAZARDOUS: RTECS: ON 7175000 ˇ
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R: 36
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Weight |
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| GRR
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