5-Bromo-2-nitrobenzaldehyde

Modify Date: 2026-08-02 18:19:05

5-Bromo-2-nitrobenzaldehyde Structure
5-Bromo-2-nitrobenzaldehyde structure
 Common Name 5-Bromo-2-nitrobenzaldehyde
CAS Number 20357-20-4 Molecular Weight 230.016
Density 1.8±0.1 g/cm3 Boiling Point 330.5±27.0 °C at 760 mmHg
Molecular Formula C7H4BrNO3 Melting Point 71.0 to 75.0 °C
MSDS N/A Flash Point 153.7±23.7 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 5-Bromo-2-nitrobenzaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.8±0.1 g/cm3
Boiling Point 330.5±27.0 °C at 760 mmHg
Melting Point 71.0 to 75.0 °C
Molecular Formula C7H4BrNO3
Molecular Weight 230.016
Flash Point 153.7±23.7 °C
Exact Mass 228.937454
PSA 62.89000
LogP 2.44
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.653
InChIKey UFRVBZVJVRHSNR-UHFFFAOYSA-N
SMILES O=Cc1cc(Br)ccc1[N+](=O)[O-]

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CU4875000
CHEMICAL NAME :
Benzaldehyde, 5-bromo-2-nitro-
CAS REGISTRY NUMBER :
20357-20-4
BEILSTEIN REFERENCE NO. :
2443255
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C7-H4-Br-N-O3
MOLECULAR WEIGHT :
230.03
WISWESSER LINE NOTATION :
WNR EE BVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
32 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#07008

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
Risk Phrases 43
Safety Phrases 36/37
RTECS CU4875000
HS Code 2913000090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

[(E)-2-(5-bromo-2-nitro-phenyl)-vinyl]-dimethyl-amine structure

[(E)-2-(5-bromo...

CAS#:105205-48-9

~70%

5-Bromo-2-nitrobenzaldehyde Structure

5-Bromo-2-nitro...

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Literature: WO2006/76529 A1, ; Page/Page column 92; 93 ;
3-Bromobenzaldehyde structure

3-Bromobenzaldehyde

CAS#:3132-99-8

~83%

5-Bromo-2-nitrobenzaldehyde Structure

5-Bromo-2-nitro...

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Literature: Chemistry - A European Journal, , vol. 19, # 7 p. 2442 - 2449
2-Nitrobenzaldehyde structure

2-Nitrobenzaldehyde

CAS#:552-89-6

~11%

4-Bromo-2-nitrobenzaldehyde structure

4-Bromo-2-nitro...

CAS#:5551-12-2

4,5-dibromo-2-nitrobenzaldehyde structure

4,5-dibromo-2-n...

CAS#:56990-05-7

5-Bromo-2-nitrobenzaldehyde Structure

5-Bromo-2-nitro...

CAS#:20357-20-4

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Literature: Synthetic Communications, , vol. 44, # 7 p. 954 - 958
3-Bromobenzaldehyde structure

3-Bromobenzaldehyde

CAS#:3132-99-8

~66%

3-bromo-2-nitrobenzaldehyde structure

3-bromo-2-nitro...

CAS#:882772-99-8

5-Bromo-2-nitrobenzaldehyde Structure

5-Bromo-2-nitro...

CAS#:20357-20-4

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Literature: Synthesis, , # 14 SPEC. ISS. art. no. C01508SS, p. 2199 - 2210
2,4-Dibromo-1-nitrobenzene structure

2,4-Dibromo-1-n...

CAS#:51686-78-3

N,N-Dimethylformamide structure

N,N-Dimethylfor...

CAS#:68-12-2

~%

5-Bromo-2-nitrobenzaldehyde Structure

5-Bromo-2-nitro...

CAS#:20357-20-4

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Literature: Chemische Berichte, , vol. 122, p. 1199 - 1202

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2913000090
Summary HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

5-Bromo-2-nitrobenzaldehyde
WNR DE BVH

 5-Bromo-2-nitrobenzaldehyde | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of 5-Bromo-2-nitrobenzaldehyde?
A: CAS number of 5-Bromo-2-nitrobenzaldehyde is 20357-20-4.
Q: What is the SMILES notation of 5-Bromo-2-nitrobenzaldehyde?
A: SMILES notation of 5-Bromo-2-nitrobenzaldehyde is O=Cc1cc(Br)ccc1[N+](=O)[O-].
Q: What is the LogP of 5-Bromo-2-nitrobenzaldehyde?
A: LogP of 5-Bromo-2-nitrobenzaldehyde is 2.44.
Q: What is the polar surface area (PSA) of 5-Bromo-2-nitrobenzaldehyde?
A: Polar surface area (PSA) of 5-Bromo-2-nitrobenzaldehyde is 62.89000.
Q: What is the molecular weight of 5-Bromo-2-nitrobenzaldehyde?
A: Molecular weight of 5-Bromo-2-nitrobenzaldehyde is 230.016.
Q: What is the boiling point of 5-Bromo-2-nitrobenzaldehyde?
A: Boiling point of 5-Bromo-2-nitrobenzaldehyde is 330.5±27.0 °C at 760 mmHg.
Q: What is the English name of 5-Bromo-2-nitrobenzaldehyde?
A: The English name of 5-Bromo-2-nitrobenzaldehyde is 5-Bromo-2-nitrobenzaldehyde.
Q: What is the safety information for 5-Bromo-2-nitrobenzaldehyde?
A: Safety information for 5-Bromo-2-nitrobenzaldehyde: 36/37.
Q: What English synonyms does 5-Bromo-2-nitrobenzaldehyde have?
A: English synonyms of 5-Bromo-2-nitrobenzaldehyde: 5-Bromo-2-nitrobenzaldehyde, WNR DE BVH.
Q: What is the InChIKey of 5-Bromo-2-nitrobenzaldehyde?
A: InChIKey of 5-Bromo-2-nitrobenzaldehyde is UFRVBZVJVRHSNR-UHFFFAOYSA-N.

 5-Bromo-2-nitrobenzaldehydefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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Chemsrc provides 5-Bromo-2-nitrobenzaldehyde(CAS#:20357-20-4) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 5-Bromo-2-nitrobenzaldehyde are included as well.>> amp version: 5-Bromo-2-nitrobenzaldehyde

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