Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Bromo-2-nitrobenzaldehyde
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20357-20-4

20357-20-4 structure

Name: 5-Bromo-2-nitrobenzaldehyde
Chemical Name: 5-Bromo-2-nitrobenzaldehyde
CAS Number: 20357-20-4
Molecular Formula: C₇H₄BrNO₃
Molecular Weight: 230.016
Catalog: Chemical reagent Organic reagent Aromatic aldehyde (containing acetal, hemiacetal)
Create Date: 2018-08-20 23:12:54
Modify Date: 2025-09-03 12:14:33

Name	5-Bromo-2-nitrobenzaldehyde
Synonyms	5-Bromo-2-nitrobenzaldehyde Benzaldehyde, 5-bromo-2-nitro- WNR DE BVH

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

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

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

105205-48-9

~70%

20357-20-4

Literature: WO2006/76529 A1, ; Page/Page column 92; 93 ;

3132-99-8

~83%

20357-20-4

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

552-89-6

~11%

5551-12-2

56990-05-7

20357-20-4

Detail

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

3132-99-8

~66%

882772-99-8

20357-20-4

Literature: Synthesis, , # 14 SPEC. ISS. art. no. C01508SS, p. 2199 - 2210

51686-78-3

68-12-2

20357-20-4

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

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%

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