ChemicalBook > CAS DataBase List > 2,1,3-Benzoxadiazole-5-carboxylic acid

2,1,3-Benzoxadiazole-5-carboxylic acid

Product Name: 2,1,3-Benzoxadiazole-5-carboxylic acid
CAS No.: 19155-88-5
Chemical Name: 2,1,3-Benzoxadiazole-5-carboxylic acid
Synonyms: BUTTPARK 29\08-25;RARECHEM AL BO 0811;5-Benzofurazancarboxylic acid;BENZOFURAZAN-5-CARBOXYLIC ACID;Benzoxadiazole-5-carboxylic acid;1,2,3-Benzoxadiazole-5-carboxylicacid;2,1,3-BENZOXADIAZOLE-5-CARBOXYLIC ACID;benzo[1,2,5]oxadiazole-5-carboxylic acid;2,1,3-Benzoxadiazole-5-carboxylicacid97%;2,1,3-Benzoxadiazole-5-carboxylic acid 97%
CBNumber: CB1337002
Molecular Formula: C7H4N2O3
Formula Weight: 164.12
MOL File: 19155-88-5.mol

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2,1,3-Benzoxadiazole-5-carboxylic acid Property

Melting point:: 157-160 °C (lit.)
Boiling point:: 360.0±34.0 °C(Predicted)
Density: 1.558±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
form: powder
pka: 3.10±0.30(Predicted)
color: Yellow
CAS DataBase Reference: 19155-88-5(CAS DataBase Reference)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 22-24/25
WGK Germany: 3
HazardClass: IRRITANT
HS Code: 29349990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 556610
Product name: 2,1,3-Benzoxadiazole-5-carboxylic acid
Purity: 97% (GC)
Packaging: 500mg
Price: $94.8
Updated: 2023/01/07

TRC

Product number: B291583
Product name: 2,1,3-Benzoxadiazole-5-carboxylic acid
Packaging: 250mg
Price: $90
Updated: 2021/12/16

Apolloscientific

Product number: OR3607
Product name: 2,1,3-Benzoxadiazole-5-carboxylic acid
Purity: 97%
Packaging: 250mg
Price: $24
Updated: 2021/12/16

SynQuest Laboratories

Product number: 4H21-1-71
Product name: 2,1,3-Benzoxadiazole-5-carboxylic acid
Purity: 97%
Packaging: 250mg
Price: $26
Updated: 2021/12/16

Frontier Specialty Chemicals

Product number: JK408290
Product name: 2,1,3-Benzoxadiazole-5-carboxylic acid
Purity: 97%
Packaging: 250mg
Price: $49
Updated: 2021/12/16

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2,1,3-Benzoxadiazole-5-carboxylic acid Chemical Properties,Usage,Production

Chemical Properties

Light yellow powder

Synthesis

6086-24-4

19155-88-5

General procedure for the synthesis of 2,1,3-benzoxadiazole-5-carboxylic acid from benzoxafurazan-5-carboxylic acid: 2,1,3-benzoxadiazole-5-carboxylic acid N-oxide (80 g) was dissolved in anhydrous ethanol (800 ml) in a 2 L reactor fitted with a mechanical stirrer, a thermometer, a dosing funnel, a reflux condenser and a nitrogen inlet. Triethyl phosphite (114.05 g) was slowly added to this solution over a period of 10 minutes at a temperature range of 62°C to 70°C. The reaction mixture was heated to reflux temperature (76-78°C) and maintained for 2 hours. The progress of the reaction was monitored by thin layer chromatography (TLC, unfolding reagent ratio of CHCl3:acetone:acetic acid = 100:2:1) to confirm that the reaction was complete. Subsequently, the solvent was evaporated under reduced pressure conditions (30 mbar, 40 °C) to give a black oily product (180 g). To this oily product, water (400 ml) was added and subsequently extracted with ethyl acetate (first 400 ml, second 160 ml). The organic phases were combined and washed with 850 ml of aqueous sodium hydroxide (9.5 μl).

References

[1] Patent: EP2187888, 2015, B1. Location in patent: Paragraph 0087; 0089
[2] MedChemComm, 2015, vol. 6, # 9, p. 1673 - 1678
[3] Journal of Medicinal Chemistry, 1968, vol. 11, # 2, p. 305 - 311

2,1,3-Benzoxadiazole-5-carboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2,1,3-Benzoxadiazole-5-carboxylic acid manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Product: 2,1,3-Benzoxadiazole-5-carboxylic acid 19155-88-5
Price: US $3.00-9.00/KG
Min. Order: 0.1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2025-06-27

Zhuozhou Wenxi import and Export Co., Ltd

Product: 2,1,3-Benzoxadiazole-5-carboxylic acid 19155-88-5
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-08-11

19155-88-5, 2,1,3-Benzoxadiazole-5-carboxylic acidRelated Search:

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2,1,3-Benzoxadiazole-5-carboxylic acid 97% (GC)

2,1,3-Benzoxadiazole-5-carboxylicacid97%

5-Benzofurazancarboxylic acid

2,1,3-Benzoxadiazole-5-Carboxylic acid, HPLC 97%

19155-88-5

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