Name | 4-Nitrophthalic acid |
Synonyms | 4-NPA AKOS B028755 4-Nitrophthalicacid RARECHEM AL BO 1138 4-NITROPHTHALIC ACID 5-NITROPHTHALIC ACID 4-Nitrophthalic acid 4-Nitro phthalic acid p-Nitro Phthalic Acid LABOTEST-BB LT00848072 4-nitrobenzene-1,2-dicarboxylate 4-nitro-2-benzenedicarboxylicacid 4-Nitro-2-benzenedicarboxylic acid 4-Nitro-1,2-benzenedicarboxylic acid 4-NITROBENZENE-1,2-DICARBOXYLIC ACID 4-nitrobenzene-1,2-dicarboxylic acid 1,2-Benzenedicarboxylic acid, 4-nitro- p-Nitro Phthalic Acid 4-Nitro Phthalic Acid |
CAS | 610-27-5 |
EINECS | 210-215-3 |
InChI | InChI=1/C8H5NO6/c10-7(11)5-2-1-4(9(14)15)3-6(5)8(12)13/h1-3H,(H,10,11)(H,12,13)/p-2 |
InChIKey | SLBQXWXKPNIVSQ-UHFFFAOYSA-N |
Molecular Formula | C8H5NO6 |
Molar Mass | 211.13 |
Density | 1.6342 (rough estimate) |
Melting Point | 159-161 °C (lit.) |
Boling Point | 350.79°C (rough estimate) |
Flash Point | 207.6°C |
Water Solubility | 880 g/l at 20 °C |
Solubility | 880g/l |
Vapor Presure | 3.09E-09mmHg at 25°C |
Appearance | Light brown solid |
Color | Yellow to beige |
Odor | Odorless |
BRN | 1882262 |
pKa | pK1:2.11 (25°C) |
PH | 1 (10g/l, H2O, 20℃) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.5282 (estimate) |
MDL | MFCD00007252 |
Physical and Chemical Properties | Light yellow powder |
Use | For Organic synthesis |
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. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 29173980 |
pH range | 1 |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | organic synthesis intermediates. for organic synthesis |
production method | add 4-nitrobenzimide to sodium hydroxide solution and heat to boiling, adding concentrated nitric acid to make the solution acidic to litmus, boiling the solution for 3min, cooling to below room temperature, extracting with diethyl ether, drying the extract with anhydrous sodium thioether and distilling off diethyl ether to obtain 4-nitrophthalic acid, the yield ranged from 96% to 99%. |