alpha-Naphtholphthalein
- Product Name
- alpha-Naphtholphthalein
- CAS No.
- 596-01-0
- Chemical Name
- alpha-Naphtholphthalein
- Synonyms
- NAPHTHOLPHTHALEIN;1-NAPHTHOLPHTHALEIN;1-naphthol quinone;ɑ-Naphtholphthalein;l-naphtholphthalein;à-naphtholphthalein;α-Naphtholphthalein;p-α-Naphtholphthalein;α-Naphtholphthalein>Naphtholphthalein blue
- CBNumber
- CB0451639
- Molecular Formula
- C28H18O4
- Formula Weight
- 418.44
- MOL File
- 596-01-0.mol
alpha-Naphtholphthalein Property
- Melting point:
- 238-240 °C(lit.)
- Boiling point:
- 496.21°C (rough estimate)
- Density
- 1.1532 (rough estimate)
- vapor density
- 14.44 (vs air)
- refractive index
- 1.6400 (estimate)
- storage temp.
- Store below +30°C.
- solubility
- Solubility Practically insoluble in water; soluble in ethanol
- form
- Powder
- pka
- 8.0, 8.2, 8.5(at 25℃)
- color
- Pink to beige or brown
- PH Range
- 7.1(brownish)-8.3(blue/green)
- PH
- pH : 7.1~8.7
- Odor
- Characteristic odour
- Water Solubility
- Soluble in ethanol. Insoluble in water.
- λmax
- 648nm
- Merck
- 14,6389
- BRN
- 97816
- InChIKey
- HQHBAGKIEAOSNM-UHFFFAOYSA-N
- CAS DataBase Reference
- 596-01-0(CAS DataBase Reference)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- N8257
- Product name
- α-Naphtholphthalein
- Purity
- practical grade
- Packaging
- 1g
- Price
- $118
- Updated
- 2024/03/01
- Product number
- N8257
- Product name
- α-Naphtholphthalein
- Purity
- practical grade
- Packaging
- 5g
- Price
- $388
- Updated
- 2024/03/01
- Product number
- 1.06246
- Product name
- 1-Naphtholphthalein
- Purity
- indicator
- Packaging
- 1g
- Price
- $285
- Updated
- 2024/03/01
- Product number
- 1.06246
- Product name
- 1-Naphtholphthalein
- Purity
- indicator
- Packaging
- 5G
- Price
- $326
- Updated
- 2024/03/01
- Product number
- 1.06246
- Product name
- 1-Naphtholphthalein
- Purity
- indicator
- Packaging
- 100g
- Price
- $2850
- Updated
- 2024/03/01
alpha-Naphtholphthalein Chemical Properties,Usage,Production
Chemical Properties
pink to beige or brown fine crystalline powder
Uses
alpha-Naphtholphthalein is used in preparation of epoxy resin compound, preparing, laminated board, printed circuit board, and cured product with high heat resistance and flame retardancy.
Uses
As indicator in 0.1% or 0.04% solution in alcohol. pH 7.3 colorless to reddish; 8.7 greenish to blue. Particularly adapted for weak acids in strong alcoholic solution.
alpha-Naphtholphthalein Preparation Products And Raw materials
Raw materials
Preparation Products
alpha-Naphtholphthalein Suppliers
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- Country
- China
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View Lastest Price from alpha-Naphtholphthalein manufacturers
- Product
- alpha-Naphtholphthalein 596-01-0
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- 30tons/month
- Release date
- 2023-02-07
- Product
- alpha-Naphtholphthalein 596-01-0
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 0.99
- Supply Ability
- 50000kg
- Release date
- 2024-06-14
- Product
- alpha-Naphtholphthalein 596-01-0
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 20 mt
- Release date
- 2022-12-08