Specification of CAS 122-25-8
Description:
5,5' -methylene disalicylic acid, also known as MDBS, is an organic compound. Its molecular formula is C15H14O6 and its molecular weight is 290.27 g/mol
Synonyms:
Benzoic acid, 3,3'-methylenebis[6-hydroxy-;
5,5'-Methylenedisalicylic acid;
5,5'-Methylenebis(2-hydroxybenzoic acid);
5-[(3-carboxy-4-hydroxyphenyl)methyl]-2-hydroxybenzoic acid;
5,5′-Methylenedisalicylic acid;
Application:
-5,5' -methylene disalicylic acid is widely used in the synthesis of dyes, fluorescent whitening agents and photosensitizers.
- It is also used as an additive in pharmaceutical intermediates and cleaning agents.
-Because of its light and thermal stability, 5,5' -methylene disalicylic acid is also used in optical films, coatings and polymer materials.
Preparation:
-5,5' -methylene disalicylic acid can be prepared by the condensation reaction of formaldehyde and salicylic aldehyde. The reaction generally requires the use of alkaline conditions and appropriate solvents.
Safety Information:
-5,5' -methylene disalicylic acid has a certain irritant, and appropriate protective measures such as wearing gloves and goggles should be taken when exposed.
- Contact with oxidants and strong acids should be avoided during handling or storage to avoid dangerous reactions. - Avoid allergic reactions after inhaling dust or touching skin.
- In case of an accident, wash the affected area immediately and seek medical treatment.
| Iteam | Specification |
| CAS | 122-25-8 |
| English Name | 5,5'-Methylenedisalicylic acid |
| Molecular Formula | C15H12O6 |
| Molecular Weight | 288.25 |
| Density | 1.511 g/cm3 |
| Boiling Point | 569.6ºC at 760 mmHg |
| Melting Point | 235-242ºC |
| Flash Point | 312.3ºC |
≤500kg,Air shipping recommended, usually called as CIF service;
>500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
For high value products, please select air shipping and express delivery for safety.



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