1,4-naphthalenedicarboxylic acid
1,4-naphthalenedicarboxylic acid
CAS: 605-70-9
Molecular Formula: C12H8O4
1,4-naphthalenedicarboxylic acid - Names and Identifiers
| Name | 1,4-naphthalenedicarboxylic acid |
| Synonyms | 1,4-naphthalate 1,4-NAPHTHALIC ACID Naphthalin-1,4-dicarbonsure 4-Naphthalenedicarboxylic acid 1,4-naphthalenedicarboxylic acid 1,4-NAPHTHALENEDICARBOXYLIC ACID NAPHTHALENE-1,4-DICARBOXYLIC ACID |
| CAS | 605-70-9 |
| EINECS | 210-094-7 |
| InChI | InChI=1/C12H8O4/c13-11(14)9-5-6-10(12(15)16)8-4-2-1-3-7(8)9/h1-6H,(H,13,14)(H,15,16) |
| InChIKey | ABMFBCRYHDZLRD-UHFFFAOYSA-N |
1,4-naphthalenedicarboxylic acid - Physico-chemical Properties
| Molecular Formula | C12H8O4 |
| Molar Mass | 216.19 |
| Density | 1.54 g/cm3 |
| Melting Point | >300 °C (lit.) |
| Boling Point | 490.2±28.0 °C(Predicted) |
| Flash Point | 264.3°C |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 2.01E-10mmHg at 25°C |
| Appearance | White solid |
| Color | White to Yellow to Orange |
| BRN | 2051255 |
| pKa | 2.71±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.708 |
| MDL | MFCD00014312 |
| Physical and Chemical Properties | Small stick crystal. Melting point 309 °c (325 °c). Soluble in ethanol blue fluorescence, insoluble in boiling water. |
| Use | For the production of fluorescent whitening agents, dye intermediates |
1,4-naphthalenedicarboxylic acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 1 |
| TSCA | Yes |
| HS Code | 29173990 |
1,4-naphthalenedicarboxylic acid - Upstream Downstream Industry
1,4-naphthalenedicarboxylic acid - Introduction
Soluble in ethanol with blue fluorescence, insoluble in boiling water.
Last Update：2022-10-16 17:26:59
1,4-naphthalenedicarboxylic acid - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | the role of dyes, plastics processing aids intermediates. used in the production of fluorescent brighteners, dye intermediates, etc. |
| production method | from 1-methyl-4-acetylnaphthalene with potassium dichromate at 200-300 ℃, about 4MPa under the oxidation of 18h. It can also be obtained by liquid phase oxidation of 1, 4-dimethylnaphthalene using cobalt-manganese-bromine as a catalyst at 120 ° C. And about 3kPa. |
Last Update：2024-04-09 21:11:58
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Raw Materials for 1,4-naphthalenedicarboxylic acid