(2R,4R)-(-)-2,4-DIHYDROXYPENTANE
pentane-1,1-diol
CAS: 42075-32-1;72345-23-4
Molecular Formula: C5H12O2
(2R,4R)-(-)-2,4-DIHYDROXYPENTANE - Names and Identifiers
| Name | pentane-1,1-diol |
| Synonyms | pentanediol 1,1-pentanediol pentane-1,1-diol (R,R)-PENTANEDIOL-2,4 (2S,4S)-(+)-Pentanediol (2R,4R)-2,4-PENTANEDIOL (2R,4R)-(-)-PENTANEDIOL (R,R)-(-)-2,4-PENTANEDIOL (2R,4R)-(-)-2,4-PENTANEDIOL [R-(R*,R*)]-(-)2,4-PENTANEDIOL (2R,4R)-(-)-2,4-DIHYDROXYPENTANE |
| CAS | 42075-32-1 72345-23-4 |
| InChI | InChI=1/C5H12O2/c1-2-3-4-5(6)7/h5-7H,2-4H2,1H3 |
| InChIKey | GTCCGKPBSJZVRZ-RFZPGFLSSA-N |
(2R,4R)-(-)-2,4-DIHYDROXYPENTANE - Physico-chemical Properties
| Molecular Formula | C5H12O2 |
| Molar Mass | 104.15 |
| Density | 0.9917 (rough estimate) |
| Melting Point | 48-50°C(lit.) |
| Boling Point | 111-113°C19mm Hg(lit.) |
| Specific Rotation(α) | -41.2° (c 10, CHCl3) |
| Flash Point | 215°F |
| Solubility | almost transparency in EtOH |
| Vapor Presure | 0.384mmHg at 25°C |
| Appearance | crystal |
| Color | white |
| BRN | 4290613 |
| pKa | 14.74±0.20(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | hygroscopic |
| Refractive Index | -53.5 ° (C=10, EtOH) |
(2R,4R)-(-)-2,4-DIHYDROXYPENTANE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| HS Code | 29053990 |
(2R,4R)-(-)-2,4-DIHYDROXYPENTANE - Introduction
pentane-1,1-diol(pentane-1,1-diol) is a chiral molecule with two enantiomers. Its chemical formula is C5H12O2 and its molecular weight is 104.15g/mol.
Nature:
pentane-1,1-diol is a colorless to yellowish liquid with a sweet taste. It is soluble in water and many organic solvents, with good solubility.
Use:
pentane-1,1-diol is widely used in industry. It can be used as a raw material for synthetic polymer materials, resins, coatings and lubricants. In addition, it is also used in the preparation of dyes, fragrances and pharmaceutical intermediates.
Preparation Method:
The preparation methods of pentane-1,1-diol are various, and the common method is to reduce the related compounds by catalytic hydrogenation reaction. Specifically, pentane-1,4-diol can be obtained by selective hydrogenation of pentane-1,4-diol.
Safety Information:
pentane-1,1-diol generally does not cause serious harm to the human body and the environment under normal use conditions. However, be careful to avoid contact with skin, eyes and respiratory tract. In the case of accidental contact, immediately flush the affected area with plenty of water and seek medical help. During storage and handling, please observe the relevant safety procedures.
Nature:
pentane-1,1-diol is a colorless to yellowish liquid with a sweet taste. It is soluble in water and many organic solvents, with good solubility.
Use:
pentane-1,1-diol is widely used in industry. It can be used as a raw material for synthetic polymer materials, resins, coatings and lubricants. In addition, it is also used in the preparation of dyes, fragrances and pharmaceutical intermediates.
Preparation Method:
The preparation methods of pentane-1,1-diol are various, and the common method is to reduce the related compounds by catalytic hydrogenation reaction. Specifically, pentane-1,4-diol can be obtained by selective hydrogenation of pentane-1,4-diol.
Safety Information:
pentane-1,1-diol generally does not cause serious harm to the human body and the environment under normal use conditions. However, be careful to avoid contact with skin, eyes and respiratory tract. In the case of accidental contact, immediately flush the affected area with plenty of water and seek medical help. During storage and handling, please observe the relevant safety procedures.
Last Update：2024-04-09 15:17:57
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