Naphthol AS
Naphthol AS
- CAS:
- 92-77-3
- MF:
- C17H13NO2
- MW:
- 263.29
Suppliers by country/region
Company Type
Properties
- Melting point:
- 246-248 °C(lit.)
- Boiling point:
- 406.53°C (rough estimate)
- Density
- 1.1138 (rough estimate)
- refractive index
- 1.4500 (estimate)
- storage temp.
- Refrigerator
- solubility
- Insoluble in water; sparingly soluble in ethanol
- pka
- 9.70(at 25℃)
- Colour Index
- 37505
- form
- Powder
- color
- Beige
- PH Range
- Non& uorescence (8.2) to yellow/green & uorescence (10.3)
- λmax
- 394nm
- Major Application
- Sensors, recording materials, photovoltaic cells, copying materials, photoreceptors, lithographic printing plates, inks, toner, paints, textiles, detecting cancer
Safety Information
- Symbol(GHS)
GHS07,GHS09
- Signal word
- Warning
- Hazard statements
- H315-H317-H319-H411
- Precautionary statements
- P261-P264-P272-P273-P280-P302+P352+P333+P313+P363-P305+P351+P338+P337+P313-P391-P501
- Hazard Codes
- Xi,N
- Risk Statements
- 43-51/53
- Safety Statements
- 36/37-61
- RIDADR
- UN 3077 9/PG 3
- WGK Germany
- 1
- RTECS
- QJ1897400
- F
- 10-21
- HazardClass
- 9
- PackingGroup
- III
- HS Code
- 29242990
Use
Naphthol AS is a coupling agent in cotton dyeing, inducing occupational dermatitis or contact allergy in consumers in contact with cotton-dyed clothing. It has been indirectly reported as a cause of occupational allergy due to its coupling with Diazo Component 51, or as a crosssensitizer or sensitizer associated with Pigment Red 23 in red parts of tattoos. Pigmented contact dermatitis is usual in patients with a high phototype.
39 India supplier list of "Naphthol AS"
![](/images/pro-3.jpg)
- Product Name:Naphthol AS
- Products Intro:Purity: 98% | Package: 1 kg,5 kg, 10 kg,25kg
- Company Type: Manufacturer
- Country/Region: Maharashtra,INDIA
![](/images/pro-3.jpg)
- Product Name:BON Amide
- Products Intro:Purity: 99% | Package: Kg to Mtons
- Company Type: Reagent
- Country/Region: Telangana,INDIA
![](/images/pro-3.jpg)
- Product Name:Naphthol AS
- Products Intro:Purity: 99% | Package: 1 kg,5 kg, 10 kg,25kg
- Company Type: Manufacturer
- Country/Region: Gujarat,INDIA
![](/images/pro-3.jpg)
- Product Name:Naphthol AS
- Products Intro:Purity: 99% | Package: 1 kg,5 kg, 10 kg,25kg and 1 MT
- Company Type: Reagent
- Country/Region: Gujarat,INDIA
![](/images/pro-3.jpg)
- Product Name:Naphthol AS
- Products Intro:Purity: 98% | Package: 1 kg,5 kg, 10 kg,25kg and 1 MT
- Company Type: Reagent
- Country/Region: Gujarat,INDIA
![](/images/pro-3.jpg)
- Product Name:Naphthol AS
- Company Type: Reagent
- Country/Region: Maharashtra,INDIA
![](/images/pro-3.jpg)
- Product Name:Naphthol AS
- Company Type: Reagent
- Country/Region: Gujarat,INDIA