l-赤藓糖
L(+)-Erythrose
CAS: 533-49-3
Molecular Formula: C4H8O4
l-赤藓糖 - Names and Identifiers
| Name | L(+)-Erythrose |
| Synonyms | L-ERYTHROSE L(+)-Erythrose L-(+)-ERYTHROSE (2S,3S)-2,3,4-Trihydroxybutanal L-Erythrose (As a solution in water) L-Erythrose (~0.1 M solution in water) |
| CAS | 533-49-3 |
| EINECS | 208-567-8 |
| InChI | InChI=1/C4H8O4/c5-1-3(7)4(8)2-6/h1,3-4,6-8H,2H2/t3-,4+/m1/s1 |
l-赤藓糖 - Physico-chemical Properties
| Molecular Formula | C4H8O4 |
| Molar Mass | 120.1 |
| Density | 1.0500 (rough estimate) |
| Melting Point | 164 °C |
| Boling Point | 144.07°C (rough estimate) |
| Specific Rotation(α) | D24 +11.5° (8 min) +15.2° (120 min) +30.5° (final, c = 3): Felton, Freudenberg, J. Am. Chem. Soc. 57 |
| Flash Point | 113°C |
| Solubility | Methanol (Slightly), Water |
| Vapor Presure | 5.12E-05mmHg at 25°C |
| Appearance | syrup |
| Color | light yellow |
| Merck | 13,3725 |
| BRN | 1721697 |
| pKa | 12.49±0.20(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.4502 (estimate) |
| MDL | MFCD00064377 |
l-赤藓糖 - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| HS Code | 29400090 |
l-赤藓糖 - Introduction
L (+)-Erythrose is an organic compound that is the levorotatory isomer of erythrose. Its chemical formula is C4H8O4 and its molecular weight is 120.10g/mol.
L( )-Erythrose is a white crystalline powder with a sweet taste. It is soluble in water and insoluble in organic solvents. L( )-Erythrose is optically active, enabling polarized light to rotate in the left-handed direction.
L( )-Erythrose have a variety of uses in food and medicine. It can be used as a food additive for making sweeteners, beverages, ice cream, cakes, etc. In the field of medicine, L (+)-Erythrose can be used to synthesize antibiotics, vitamins, pharmaceutical intermediates, etc.
L( )-Erythrose can be produced by chemical synthesis or microbial fermentation methods. Chemical methods include treatment of the alluraldehyde condensate with chlorine hydroxide or hydroiodic acid, and microbial fermentation methods may utilize yeast or bacteria for the conversion of appropriate substrates.
Regarding safety information, L( )-Erythrose is a safe compound. Under proper use and storage conditions, it will not cause significant harm to the human body. However, like other chemicals, it is necessary to avoid inhalation of dust and skin contact. Appropriate personal protective measures, including the wearing of gloves, rubber gloves and safety glasses, are recommended for any experimental or industrial application.
L( )-Erythrose is a white crystalline powder with a sweet taste. It is soluble in water and insoluble in organic solvents. L( )-Erythrose is optically active, enabling polarized light to rotate in the left-handed direction.
L( )-Erythrose have a variety of uses in food and medicine. It can be used as a food additive for making sweeteners, beverages, ice cream, cakes, etc. In the field of medicine, L (+)-Erythrose can be used to synthesize antibiotics, vitamins, pharmaceutical intermediates, etc.
L( )-Erythrose can be produced by chemical synthesis or microbial fermentation methods. Chemical methods include treatment of the alluraldehyde condensate with chlorine hydroxide or hydroiodic acid, and microbial fermentation methods may utilize yeast or bacteria for the conversion of appropriate substrates.
Regarding safety information, L( )-Erythrose is a safe compound. Under proper use and storage conditions, it will not cause significant harm to the human body. However, like other chemicals, it is necessary to avoid inhalation of dust and skin contact. Appropriate personal protective measures, including the wearing of gloves, rubber gloves and safety glasses, are recommended for any experimental or industrial application.
Last Update：2024-04-09 20:45:29
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Email: 3008007409@qq.com
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