Diphenic acid
Synonym(s):2,2′-Biphenyldicarboxylic acid;Biphenyl-2,2′-dicarboxylic acid;Diphenic acid, Diphenyl-2,2-dicarboxylic acid
- CAS NO.：482-05-3
- Empirical Formula: C14H10O4
- Molecular Weight: 242.23
- MDL number: MFCD00002464
- EINECS: 207-576-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-24 19:19:26
What is Diphenic acid?
Chemical properties
Off-white powder
Definition
ChEBI: Diphenic acid is a dicarboxylic acid. It is a conjugate acid of a diphenate(1-). It derives from a hydride of a biphenyl.
Synthesis Reference(s)
Journal of the American Chemical Society, 82, p. 2876, 1960 DOI: 10.1021/ja01496a051
Organic Syntheses, Coll. Vol. 1, p. 222, 1941
Synthesis, p. 731, 1982
Purification Methods
Crystallise diphenic acid from water. Hot Ac2O provides the anhydride below. [Beilstein 9 H 922, 9 IV 3552.]
Properties of Diphenic acid
| Melting point: | 227-229 °C(lit.) |
| Boiling point: | 345.05°C (rough estimate) |
| Density | 1.2695 (rough estimate) |
| refractive index | 1.5389 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | almost transparency in Methanol |
| pka | pKa 3.20(H2O t=23.0) (Uncertain);5.06(H2O t=23.0) (Uncertain) |
| form | powder to crystal |
| color | White to Orange to Green |
| PH | 4-5 (H2O, 20℃) |
| Water Solubility | insoluble (20 ºC) |
| Merck | 14,3310 |
| BRN | 2053625 |
| CAS DataBase Reference | 482-05-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 2,2'-Biphenyldicarboxylic acid(482-05-3) |
| EPA Substance Registry System | [1,1'-Biphenyl]-2,2'-dicarboxylic acid (482-05-3) |
Safety information for Diphenic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Diphenic acid
| InChIKey | GWZCCUDJHOGOSO-UHFFFAOYSA-N |
Related products of tetrahydrofuran
You may like
-
482-05-3 DIPHENIC ACID (BIPHENYL-2,2'DICARBOXYLIC ACID) 99%View Details
482-05-3 -
2,2'-Biphenyldicarboxylic Acid CAS 482-05-3View Details
482-05-3 -
Diphenic acid 98% CAS 482-05-3View Details
482-05-3 -
Diphenic acid CAS 482-05-3View Details
482-05-3 -
77-92-9 99%View Details
77-92-9 -
77-92-9 99%View Details
77-92-9 -
8000-27-9 CEDAR WOOD OIL 99%View Details
8000-27-9 -
95-54-5 99%View Details
95-54-5
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.