Naphthol AS-D
Naphthol AS-D
- CAS:
- 135-61-5
- MF:
- C18H15NO2
- MW:
- 277.32
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Company Type
Properties
- Melting point:
- 196-198 °C
- Boiling point:
- 399.7±35.0 °C(Predicted)
- Density
- 1.277±0.06 g/cm3(Predicted)
- pka
- 8.73±0.40(Predicted)
- form
- powder to crystal
- Colour Index
- 37520
- color
- White to Gray to Brown
Safety Information
- Symbol(GHS)
GHS07,GHS09
- Signal word
- Warning
- Hazard statements
- H317-H411
- Precautionary statements
- P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
- Hazard Codes
- N
- Risk Statements
- 50/53
- Safety Statements
- 60-61
- RIDADR
- UN 3077 9/PG 3
- WGK Germany
- 2
- HS Code
- 2924.29.7790
- HazardClass
- 9
- PackingGroup
- III
Use
Purify it by recrystallisation from xylene. This gives yellow-green fluorescent solutions at pH 8.2-9.5. [IR: Schnopper et al. Anal Chem 31 1542 1959.] The naphthol AS-D acetate is obtained with AcCl, m 168-169o, and with chloroacetyl chloride naphthol AS-D-chloroacetate is obtained [Moloney et al. J Histochem Cytochem 8 200 1960, Burstone Arch Pathology 63 164 1957]. [Beilstein 12 H 505.]
35 India supplier list of "Naphthol AS-D"
- Product Name:Naphthol AS-D
- Products Intro:Purity: 99% | Package: 1 kg,5 kg, 10 kg,25kg
- Company Type: Manufacturer
- Country/Region: Gujarat,INDIA
- Product Name:Naphthol AS-D
- Products Intro:Purity: 98% | Package: 1 kg,5 kg, 10 kg,25kg and 1 MT
- Company Type: Reagent
- Country/Region: Gujarat,INDIA
- Product Name:Naphthol AS-D
- Products Intro:Purity: 99% | Package: 1 kg,5 kg, 10 kg,25kg and 1 MT
- Company Type: Reagent
- Country/Region: Gujarat,INDIA
- Product Name:Naphthol AS-D
- Products Intro:Purity: 98% | Package: 1 kg,5 kg, 10 kg,25kg
- Company Type: Manufacturer
- Country/Region: Maharashtra,INDIA
- Product Name:Naphthol as-d 95%
- Products Intro:Brand：Glrinnovations | OriginalID：GLR19.165342
- Company Type: Trader
- Country/Region: New Delhi,INDIA
- Product Name:Naphthol AS-D
- Company Type: Trader
- Country/Region: New Delhi,INDIA
- Product Name:Naphthol AS-D
- Company Type: Trader
- Country/Region: New Delhi,INDIA
- Product Name:Napthol ASD
- Company Type: Reagent
- Country/Region: Mumbai,INDIA
- Product Name:Naphthol AS-D
- Company Type: Reagent
- Country/Region: Gujarat,INDIA
- Product Name:Naphthol AS-D
- Company Type: Reagent
- Country/Region: Gujarat,INDIA