2-Nitrobenzaldehyde
2-Nitrobenzaldehyde
CAS: 552-89-6
Molecular Formula: C7H5NO3
2-Nitrobenzaldehyde - Names and Identifiers
| Name | 2-Nitrobenzaldehyde |
| Synonyms | 2-NBA 2-Nitrobenzaldehyd 2-Nitobenzaldehyde o-nitro-benzaldehyd o-Nitrobenzyldehyde 2-nitro-benzaldehyd o-nitrobenzaldehyde 2-Nitrobenzaldehyde o-nitro benzaldehyde Benzaldehyde,2-nitro- Benzaldehyde, o-nitro- 2-ForMyl-3-nitrobenzene ortho nitrobenzaldehyde 1-ForMyl-2-nitrobenzene ortho nitro benzaldehyde 2-Nitrobenzenecarboxaldehyde |
| CAS | 552-89-6 |
| EINECS | 209-025-3 |
| InChI | InChI=1/C7H5NO3/c9-5-6-3-1-2-4-7(6)8(10)11/h1-5H |
2-Nitrobenzaldehyde - Physico-chemical Properties
| Molecular Formula | C7H5NO3 |
| Molar Mass | 151.12 |
| Density | 1,284 g/cm3 |
| Melting Point | 42-44°C(lit.) |
| Boling Point | 153°C23mm Hg(lit.) |
| Flash Point | >230°F |
| Water Solubility | Insoluble in water. |
| Solubility | Can volatilize with water vapor. Easily soluble in ethanol, benzene and ether, slightly soluble in water. |
| Vapor Presure | 0.0078mmHg at 25°C |
| Vapor Density | 5.2 (vs air) |
| Appearance | Pale yellow crystalline powder |
| Color | Yellow |
| Merck | 14,6586 |
| BRN | 742624 |
| Storage Condition | Store below +30°C. |
| Sensitive | Air Sensitive |
| Refractive Index | 1.5800 (estimate) |
| MDL | MFCD00007132 |
| Physical and Chemical Properties | melting point 41-44°C boiling point 153°C (23 torr) |
| Use | Used as a pharmaceutical intermediate for the production of |
2-Nitrobenzaldehyde - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R68 - Possible risk of irreversible effects |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. |
| WGK Germany | 2 |
| RTECS | CU7300000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29130000 |
| Hazard Note | Irritant |
2-Nitrobenzaldehyde - Upstream Downstream Industry
| Raw Materials | 2-Nitrotoluene Hydrogen peroxide Hydrogen peroxide Nitric acid Bromine |
| Downstream Products | Nifedipine |
2-Nitrobenzaldehyde - Nature
Open Data Verified Data
bright yellow needle-like crystals, with the flavor of benzaldehyde, can be volatilized with water vapor. Melting point of 43~44 ℃, boiling point of 153 ℃(3. lkPa). Soluble in ethanol, ether, benzene, water-soluble, flash point> 110 ℃, and the vigorous reaction of pyrrole.
Last Update：2024-01-02 23:10:35
2-Nitrobenzaldehyde - Preparation Method
Open Data Verified Data
O-nitrotoluene was used as a starting material and prepared by the following two methods.
Last Update：2022-01-01 10:50:36
2-Nitrobenzaldehyde - Introduction
It smells like benzaldehyde. It's irritating.
Last Update：2022-10-16 17:26:16
2-Nitrobenzaldehyde - Use
Open Data Verified Data
This product can make anti-angina drug nitropyridine (Xin Tong Ding); Its nitro group is reduced to amino group to become O-aminobenzaldehyde, which can be used to synthesize quinoline ring drugs.
Last Update：2022-01-01 10:50:36
2-Nitrobenzaldehyde - Safety
Open Data Verified Data
- inhalation, ingestion and skin contact are all irritating. Wear protective clothing. LD50 (mouse oral) 600mg/kg.
- packaging using 25kg plastic woven bag. Store in a cool, dry place and keep the container sealed. Keep away from strong oxidant and strong alkali.
Last Update：2022-01-01 10:50:37
2-Nitrobenzaldehyde - Reference Information
| LogP | 1.74 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | This product is an organic synthesis intermediate, used in the pharmaceutical industry to manufacture the anti-angina drug nitropyridine (Xintongding); the nitro group is reduced to amino After the group becomes o-aminobenzaldehyde, quinoline ring drugs can be synthesized from it. Organic synthetic intermediates, used in the pharmaceutical industry to manufacture the anti-angina drug nitropyridine (Xintongding). The nitro group is reduced to amino group and then becomes o-aminobenzaldehyde, which can be used to synthesize quinoline ring drugs. Determination of isopropanol, acetone and methyl ketone. Organic synthesis. Used as a pharmaceutical intermediate for the production of Xintongding |
| production method | using o-nitrotoluene as raw material, it can be produced by the following two methods. 1. o-nitrotoluene reacts with acetic anhydride and is obtained by hydrolysis. 2. O-nitrotoluene is obtained by nitration and oxidation. |
| spontaneous combustion temperature | 200°C (Lit.) |
Last Update：2024-04-09 21:04:16
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View History
2-Nitrobenzaldehyde
2-(2-Methoxyphenoxy)
BenzenaMine, 2-nitro-4-(4-nitrophenoxy)-
(S)-1-(3-Nitrophenyl)ethylaMine hydrochloride
3-BROMO-ALPHA,ALPHA,ALPHA-TRIFLUOROTOLUENE
Monurex
1,3,5-三嗪
间二苯胺
a-acetylhypnone
琥珀腈
2-(2-Methoxyphenoxy)
BenzenaMine, 2-nitro-4-(4-nitrophenoxy)-
(S)-1-(3-Nitrophenyl)ethylaMine hydrochloride
3-BROMO-ALPHA,ALPHA,ALPHA-TRIFLUOROTOLUENE
Monurex
1,3,5-三嗪
间二苯胺
a-acetylhypnone
琥珀腈
Raw Materials for 2-Nitrobenzaldehyde
Downstream Products for 2-Nitrobenzaldehyde