2-Chloro-5-nitrobenzaldehyde
- CAS NO.：6361-21-3
- Empirical Formula: C7H4ClNO3
- Molecular Weight: 185.56
- MDL number: MFCD00007293
- EINECS: 228-830-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:22:20
What is 2-Chloro-5-nitrobenzaldehyde?
Chemical properties
light yellow to beige-yellow crystalline powder
The Uses of 2-Chloro-5-nitrobenzaldehyde
2-Chloro-5-nitrobenzaldehyde was used in the synthesis of 5-nitro-2-(1H-pyrrol-1-yl)benzaldehyde.
General Description
2-Chloro-5-nitrobenzaldehyde undergoes condensation reaction with 2-methyl-1-propenylbenzimidazole to yield (E,Z)-2-(2-chloro-5-nitrostyryl)-1-(1-propenyl)benzimidazole. It reacts with 5-aminopyrazoles to yield symmetrical bispyrazolo[3,4-]pyridines.
Properties of 2-Chloro-5-nitrobenzaldehyde
| Melting point: | 75-77 °C (lit.) |
| Boiling point: | 276.5°C (rough estimate) |
| Density | 1.4791 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | Crystalline Powder |
| color | Pale yellow |
| Sensitive | Air Sensitive |
| BRN | 743764 |
| CAS DataBase Reference | 6361-21-3(CAS DataBase Reference) |
| EPA Substance Registry System | Benzaldehyde, 2-chloro-5-nitro- (6361-21-3) |
Safety information for 2-Chloro-5-nitrobenzaldehyde
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H303:Acute toxicity,oral 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 2-Chloro-5-nitrobenzaldehyde
| InChIKey | VFVHWCKUHAEDMY-UHFFFAOYSA-N |
2-Chloro-5-nitrobenzaldehyde manufacturer
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product: 2-Chloro-5-nitrobenzaldehyde 98%
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