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Merck
CN

229350

Naphthol AS

99%

Synonym(s):

3-Hydroxy-2-naphthoic acid anilide

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About This Item

Empirical Formula (Hill Notation):
C17H13NO2
CAS Number:
Molecular Weight:
263.29
UNSPSC Code:
12171500
PubChem Substance ID:
EC Number:
202-188-1
MDL number:
Colour Index Number:
37505
Beilstein/REAXYS Number:
1842678
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SMILES string

Oc1cc2ccccc2cc1C(=O)Nc3ccccc3

assay

99%

λmax

394 nm

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Regulatory Information

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P E Reid et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 31(9), 1142-1144 (1983-09-01)
Histochemical studies of the mechanism of staining of the periodic acid/2,-hydroxy-3-naphthoic acid hydrazide/Fast Black B/saponification/periodic acid-Schiff (PANFOPAS) method indicate that while 2-hydroxy-3-naphthoic acid hydrazide blocks the periodate engendered Schiff reactivity of vicinal diols unassociated with anionic groups, it fails to
Clothing dermatitis from Naphthol AS.
C J Le Coz et al.
Contact dermatitis, 44(6), 366-367 (2001-05-31)
S West et al.
Analytical biochemistry, 190(2), 254-258 (1990-11-01)
We have developed a method that implies the use of a particular type of substrate which can be used in combination with alkaline phosphatase in detecting nucleic acid on filters. The method allows the detection of several different nucleic acid
J Roed-Petersen et al.
Contact dermatitis, 22(3), 161-163 (1990-03-01)
Naphthol AS, a coupling agent in cotton dyeing, caused allergic contact dermatitis in 5 patients, sensitized from wearing a special kind of shirt. Patch tests with Naphthol AS and pieces of shirt were positive in all 5 patients. Analysis of
U Wäspi et al.
European journal of biochemistry, 254(1), 32-37 (1998-07-04)
Acquired resistance of rice to Pyricularia oryzae, the causing agent of rice blast, can be induced by inoculation with the non-host pathogen Pseudomonas syringae pv. syringae. We have previously cloned a cDNA and a corresponding gene (Pir7b) whose transcripts accumulate

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