Octadecanedioic acid CAS NO.:871-70-5
Pharmaceutical Materials 2025-03-02
Catalog ID:829731
CAS NO.:871-70-5
Purity:95%
MDL Number:MFCD00142369
Molecular Weight:314.46
Octadecanedioic acid, also known as 1,18-octadecanedioic acid or octadecyl diacid, is a long-chain dicarboxylic acid with the CAS number 871-70-5. This compound is a white crystalline powder with a molecular formula of C18H34O4 and a molecular weight of 314.46 g/mol. Octadecanedioic acid is an important intermediate in the synthesis of various chemicals, including specialty nylons, high-grade lubricants, and plasticizers. It is also found in human serum as an endogenous metabolite, particularly in patients with Reye syndrome.
| Property | Details |
|---|---|
| CAS Number | 871-70-5 |
| Chemical Name | Octadecanedioic Acid |
| Synonyms | 1,18-Octadecanedioic Acid, Octadecyl Diacid |
| Molecular Formula | C18H34O4 |
| Molecular Weight | 314.46 g/mol |
| Appearance | White crystalline powder |
| Melting Point | 125°C – 144°C (literature values vary) |
| Boiling Point | 480.9°C at 760 mmHg |
| Density | 0.998 – 1.0 g/cm³ (predicted) |
| Solubility | Slightly soluble in water, soluble in hot methanol |
| LogP | 6.11 (predicted) |
| PSA | 74.60000 Ų |
| Uses | Chemical intermediate, specialty nylon synthesis, etc. |
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