Name | 2-Nitrobenzoic Acid |
Synonyms | 2-nitrobenzoic 2-nitrobenzoate 2-nitro-benzoicaci o-Nitrobenzoic acid O-NITROBENZOIC ACID RARECHEM AL BO 0202 2-Nitrobenzoic Acid 2-NITRODRACYLIC ACID OTAVA-BB BB0125160260 |
CAS | 552-16-9 |
EINECS | 209-004-9 |
InChI | InChI=1/C7H5NO4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)/p-1 |
Molecular Formula | C7H5NO4 |
Molar Mass | 167.12 |
Density | 1,58 g/cm3 |
Melting Point | 146-148°C(lit.) |
Boling Point | 295.67°C (rough estimate) |
Flash Point | 157.5°C |
Water Solubility | 6.8 g/L |
Solubility | Slightly soluble in water, soluble in ethanol and ether. |
Vapor Presure | 3.26E-05mmHg at 25°C |
Appearance | Pale yellow white crystal |
Specific Gravity | 1.58 |
Color | Off-white |
Merck | 14,6588 |
BRN | 1910632 |
pKa | 2.16(at 18℃) |
Storage Condition | Sealed in dry,Room Temperature |
Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
Sensitive | Easily absorbing moisture |
Refractive Index | 1.6280 (estimate) |
MDL | MFCD00007137 |
Physical and Chemical Properties | Yellow-white crystals. The melting point of 147-148 deg C, the relative density of 1.5700(20/4 deg C). Soluble in ethanol, ether, acetone, methanol, soluble in water and chloroform, very slightly soluble in benzene and carbon disulfide. |
Use | For pharmaceutical synthesis, Organic synthesis |
Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R68 - Possible risk of irreversible effects R22 - Harmful if swallowed |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
WGK Germany | 3 |
RTECS | DH5050000 |
TSCA | Yes |
HS Code | 29163900 |
Downstream Products | Fomesafen |
Reference Show more | 1. Zouye, Cai, Panpan, Wang, Li, Wang, da, Ying, Xu, Wei, min. Antioxidant effect of collagen hydrolysates from Chinese soft-shelled turtle skirt in pork mince [J]. Jiangsu Journal of Agricultural Sciences 2017 33(05):1157-1163. 2. Zhang, li‐ping, et al. "Effects." Journal Food Processing and Preservation 38.4 (2014): 1749-1758.https://doi.org/10.1111/jfpp.12138 3. [IF=2.19] Li-Ping Zhang et al."Effects of 1-methylcyclopropene on the Metabolic Pathways of Aroma-Related Compounds in Nanguo Pear."J Food Process Pres. 2014 Aug;38(4):1749-1758 |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
application | o-nitrobenzoic acid is a carboxylic acid derivative, which can be used as organic synthesis and pharmaceutical raw materials. |
preparation method | after mixing o-nitrotoluene, water and potassium hydroxide, heating to boiling, adding potassium permanganate and potassium chloride in batches, filtering, removing oil, acidifying the filtrate, washing with filtered water to obtain crude product, and recrystallizing with water to obtain o-nitrobenzoic acid. |
Use | Used in organic synthesis Used as a dye intermediate Used in pharmaceutical synthesis, organic synthesis The drug is 5HT2-D2 antagonist. Used to treat schizophrenia, bipolar mania and other diseases. Measure tetravalent metal ions and mercury. Organic synthesis. |
Production method | is obtained by oxidation of o-nitrotoluene. After mixing o-nitrotoluene, water, and potassium hydroxide, heat to boiling, and then add potassium permanganate in batches. After the oxidation reaction is completed, filter, separate the oil, acidify, filter, wash the filtrate, and recrystallize the crude product with water to obtain the finished product. |