Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Naphthol AS-BI
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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1237-75-8

1237-75-8 structure

1237-75-8 structure

Name: Naphthol AS-BI
Chemical Name: N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide
CAS Number: 1237-75-8
Molecular Formula: C₁₈H₁₄BrNO₃
Molecular Weight: 372.21300
Create Date: 2018-03-26 08:00:00
Modify Date: 2026-07-01 11:08:48

Name	N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-2-naphthalenecarboxamide
Synonyms	5-(3-Hydroxy-2-Naphthoylamino)Benzimidazolin-2-One Azoic Coupling Component 45 C.I.Azoic Coupling Component 45:C.I AI3-50089 N-C2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-Hydorxy-2-Naphthalenecboxamide AI 89 3-hydroxy-N-(2-oxo-5-benzimidazolinyl)-2-naphthamide Naphthol AS-BI extrapure AI-3-50089 NAPHTHOL AS-BI C.I. NO C.I.Azoic Coupling Component 45 7-bromo-3-hydroxy-n-(2-methoxyphenyl)-2-naphthalenecboxamid 6-bromo-2-hydroxy-N-o-hydroxyphenylnaphthalene-3-cboxamide C.I N-(2,3-Dihydro-2-oxo-1H-benziMidazol-5-yl)-3-hydro 7-BROMO-3-HYDROXY-N-(2-METHOXYPHENYL)-2-NAPHTHALENECBOXAMIDE N-(2,3-Dihydro-2-oxo-1H-benziMidazol-5-yl)-3-hydroxy-3-naphthalenecboxaMide, Naphthol AS-BI 6-Bromo-2-hydroxy-3-naphthoic acid 2-methoxyanilide 7-Bromo-3-hydroxy-N-(2-methoxyphenyl)-2-naphthamide 2-Naphthalenecboxamide, 7-bromo-3-hydroxy-N-(2-methoxyphenyl) CI NO 6-bromo-2-hydroxy-N-o-hydroxyphenylnaphthalene-3-carboxamide NAPHTHOL AS-BI 7-bromo-3-hydroxy-2-naphth-o-amisidide MFCD00004077 Naphtol AS-BI 2-Naphthalenecboxamide, N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-, 3-hydroxy N-(2,3-Dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalin-2-cboxamid 5-(3'-Hydroxy-2'-naphthylformamido)benzimidazolone 5-(3-Hydroxy-2-napht N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-cboxamide EINECS 248-048-3 7-bromo-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-cboxamide

Density	4.01 g/mL at 25 °C(lit.)
Boiling Point	467.3ºC at 760mmHg
Melting Point	1387 °C
Molecular Formula	C₁₈H₁₄BrNO₃
Molecular Weight	372.21300
Flash Point	236.4ºC
Exact Mass	371.01600
PSA	58.56000
LogP	4.64180
Vapour Pressure	5.28E-07mmHg at 25°C
Index of Refraction	1.764
Storage condition	2-8°C

Hazard Codes	Xn,Xi
Risk Phrases	R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Phrases	S26-S37/39
RIDADR	UN3288
WGK Germany	3
RTECS	ZG3417500
Packaging Group	III
Hazard Class	6.1
HS Code	2924299090

1779-11-9 structure

1779-11-9

90-04-0 structure

90-04-0

~%

1237-75-8 structure

1237-75-8

Literature: DE396519 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 14, p. 1021

Precursor 2
1779-11-9 90-04-0
DownStream 0

HS Code	2924299090
Summary	2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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