Home > Aromatic Compounds> 2,1-benzoxazole-3-carboxylic acid

2,1-benzoxazole-3-carboxylic acid

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Origin: China

Cas No: 642-91-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 642-91-1 Formula: C8H5NO3 Molecular Weight: 163.13000

Basic Info

Chemical Name	2,1-benzoxazole-3-carboxylic acid
Synonyms	2,1-Benzisoxazole-3-carboxylic acid; 2,1-Benzisoxazol-3-carboxylsaeure; F2167-0177; Anthroxansaeure;
CAS No.	642-91-1
Molecular Formula	C8H5NO3
Molecular Weight	163.13000
PSA	63.33000
LogP	1.52600

Properties

Density	1.455g/cm3
Boiling Point	387.3ºC at 760 mmHg
Melting Point	185ºC
Flash Point	188ºC
Refractive Index	1.66

Safety Info

Safety Statements	S26; S36/37/39
HS Code	2934999090
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

1,3-dihydroxy-1,3-dihydro-indol-2-one→isatin+2,1-benzoxazole-3-carboxylic acid
2,1-benzoxazole-3-carbonitrile→2,1-benzoxazole-3-carboxylic acid
ETHYL 2-CYANO-2-(2-NITROPHENYL)ACETATE→2,1-benzoxazole-3-carboxylic acid

Precursor

2-benzo[c]isoxazol-3-yl-benzene-1,4-diol
2,1-benzoxazole-3-carbonitrile
ETHYL 2-CYANO-2-(2-NITROPHENYL)ACETATE
2-nitrobenzaldehyde

Downstream Product

2,1-benzoxazole-3-carbaldehyde
2,1-benzoxazole-3-carbonyl chloride
isatin

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