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N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide

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Origin: China

Cas No: 1237-75-8

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.: 1237-75-8 Formula: C18H14BrNO3 Molecular Weight: 372.21300

Basic Info

Chemical Name	N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide
Synonyms	7-bromo-3-hydroxy-2-naphth-o-amisidide; Naphtol AS-BI; C.I.Azoic Coupling Component 45; 6-bromo-2-hydroxy-N-o-hydroxyphenylnaphthalene-3-carboxamide; NAPHTHOL AS-BI;
CAS No.	1237-75-8
Molecular Formula	C18H14BrNO3
Molecular Weight	372.21300
PSA	58.56000
LogP	4.64180

Properties

Density	1.544g/cm3
Boiling Point	467.3ºC at 760mmHg
Melting Point	1387 °C
Flash Point	236.4ºC
Refractive Index	1.764
Vapor Pressure	5.28E-07mmHg at 25°C

Safety Info

RTECS	ZG3417500
Hazard Class	6.1
Safety Statements	S26; S37/39
HS Code	2924299090
WGK Germany	3
Packing Group	III
RIDADR	UN3288
Risk Statements	R20/21/22; R36/37/38
Hazard Codes	Xn; Xi

Synthesis Route

7-bromo-3-hydroxynaphthalene-2-carboxylic acid+o-Anisidine→N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide

Precursor

o-Anisidine
7-bromo-3-hydroxynaphthalene-2-carboxylic acid

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