Naphthol AS-OL

CAS NO.：135-62-6
Empirical Formula: C18H15NO3
Molecular Weight: 293.32
MDL number: MFCD00021630
EINECS: 205-206-6
SAFETY DATA SHEET (SDS)
Update Date: 2023-06-08 17:06:38

What is Naphthol AS-OL?

Preparation

O-Anisidine and 3-Hydroxy-2-naphthoic acid condensation.

Properties and Applications

m brown powder, melting point for 167 ~ 168 ℃. Insoluble in water, slightly soluble in sodium carbonate solution, soluble in ethanol. In sodium hydroxide solution for yellow. A little sensitive to the air. This product is mainly used for cotton yarns, cotton, cotton cloth, towel, bath towel, PVA, viscose, silk, polyamide fiber and two vinegar fiber and cotton cloth dyeing of direct printing, the printing and dyeing discharge printing. Can also be used to make quick pigment, fast amine element, element and organic pigment fast sulfonylurea medications. The affinity of cotton low, coupled ability medium.

Properties of Naphthol AS-OL

Melting point:	161-164 °C(lit.)
Boiling point:	424.1±30.0 °C(Predicted)
Density	1.304±0.06 g/cm3(Predicted)
storage temp.	Refrigerator, under inert atmosphere
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
Colour Index	37530
pka	8.74±0.40(Predicted)
color	Off-White to Pale Beige
CAS DataBase Reference	135-62-6(CAS DataBase Reference)
NIST Chemistry Reference	3-Hydroxy-2-naphthoyl-ortho-anisidide(135-62-6)
EPA Substance Registry System	2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methoxyphenyl)- (135-62-6)

Safety information for Naphthol AS-OL

Signal word	Danger
Pictogram(s)	Exclamation Mark Irritant GHS07 Health Hazard GHS08 Environment GHS09
GHS Hazard Statements	H315:Skin corrosion/irritation H317:Sensitisation, Skin H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H372:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.