2-Hydroxy-1-naphthoic acid

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
403.6±28.0 °C at 760 mmHg

[ Melting Point ]:
167 °C (dec.)(lit.)

[ Molecular Formula ]:
C₁₁H₈O₃

[ Molecular Weight ]:
188.179

[ Flash Point ]:
212.1±20.5 °C

[ Exact Mass ]:
188.047348

[ PSA ]:
57.53000

[ LogP ]:
3.29

[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C

[ Index of Refraction ]:
1.716

Click to get detail MSDS

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
2

[ HS Code ]:
2918290000

Click to get detail synthetic route

Precursor

DownStream

[ HS Code ]: 2918290000

[ Summary ]:
HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Immunoassay of red dyes based on the monoclonal antibody of β-naphthol.

J. Environ. Sci. Health B 50 , 645-53, (2015)

The objective of the present study was to develop a multi-analyte immunoassay for the determination of eight red dyes in food samples. Two dye intermediates (2-hydroxy-1-naphthoic acid and 1-amino-2-n...

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