ChemicalBook >> CAS DataBase List >>alpha-Naphtholphthalein
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
- Molecular Weight:
- 418.44
- MDL Number:
- MFCD00036202
- MOL File:
- 596-01-0.mol
- MSDS File:
- SDS
Last updated:2024-06-14 12:24:17
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 |
pka | 8.0, 8.2, 8.5(at 25℃) |
form | Powder |
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) |
FDA UNII | 2QEG1706NN |
SAFETY
Risk and Safety Statements
Symbol(GHS) | GHS07 |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Signal word | Warning | |||||||||
Hazard statements | H315-H319-H335 | |||||||||
Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | |||||||||
Hazard Codes | Xi | |||||||||
Risk Statements | 36/37/38 | |||||||||
Safety Statements | 26-36 | |||||||||
WGK Germany | 3 | |||||||||
HS Code | 32041900 | |||||||||
NFPA 704 |
|
alpha-Naphtholphthalein price More Price(21)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | N8257 | α-Naphtholphthalein practical grade | 596-01-0 | 1g | $118 | 2024-03-01 | Buy |
Sigma-Aldrich | N8257 | α-Naphtholphthalein practical grade | 596-01-0 | 5g | $388 | 2024-03-01 | Buy |
Sigma-Aldrich | 1.06246 | 1-Naphtholphthalein indicator | 596-01-0 | 1g | $285 | 2024-03-01 | Buy |
Sigma-Aldrich | 1.06246 | 1-Naphtholphthalein indicator | 596-01-0 | 5G | $326 | 2024-03-01 | Buy |
Sigma-Aldrich | 1.06246 | 1-Naphtholphthalein indicator | 596-01-0 | 100g | $2850 | 2024-03-01 | Buy |
alpha-Naphtholphthalein Chemical Properties,Uses,Production
Chemical Properties
pink to beige or brown fine crystalline powder
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.
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.
alpha-Naphtholphthalein Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 237)Suppliers
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12840 | 58 |
Hebei Kingfiner Technology Development Co.Ltd | +86-15532196582 +86-15373005021 | lisa@kingfinertech.com | China | 3010 | 58 |
Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20287 | 58 |
Capot Chemical Co.,Ltd. | +86-(0)57185586718 +86-13336195806 | sales@capot.com | China | 29791 | 60 |
career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29884 | 58 |
Hebei Weibang Biotechnology Co., Ltd | +8615531157085 | abby@weibangbio.com | China | 8812 | 58 |
Xi'an Kono chem co., Ltd., | 029-86107037 13289246953 | info@konochemical.com | China | 2993 | 58 |
Hubei xin bonus chemical co. LTD | 86-13657291602 | linda@hubeijusheng.com | CHINA | 22963 | 58 |
Chongqing Chemdad Co., Ltd | +86-023-6139-8061 +86-86-13650506873 | sales@chemdad.com | China | 39894 | 58 |
QINGDAO JADE NEW MATERIAL TECNOLOGY CO.,LTD | +86 13658692156 | zandrew@jadenmtc.com | China | 223 | 58 |
View Lastest Price from alpha-Naphtholphthalein manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2024-11-22 | alpha-Naphtholphthalein
596-01-0
|
US $0.00 / KG | 1KG | 98%min | 30tons/month | WUHAN FORTUNA CHEMICAL CO., LTD | ||
2024-06-14 | alpha-Naphtholphthalein
596-01-0
|
US $0.00-0.00 / kg | 1kg | 0.99 | 50000kg | Hebei Kingfiner Technology Development Co.Ltd | ||
2024-03-27 | alpha-Naphtholphthalein
596-01-0
|
US $5.00-0.10 / KG | 1KG | 98% | g-kg-tons, free sample is available | Henan Fengda Chemical Co., Ltd |
- alpha-Naphtholphthalein
596-01-0
- US $0.00 / KG
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
- alpha-Naphtholphthalein
596-01-0
- US $0.00-0.00 / kg
- 0.99
- Hebei Kingfiner Technology Development Co.Ltd
- alpha-Naphtholphthalein
596-01-0
- US $5.00-0.10 / KG
- 98%
- Henan Fengda Chemical Co., Ltd
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C28H18O4
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Indicator (pH)
pH Indicators
Titration
Phthalein
Industrial/Fine Chemicals
N
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Stains&Dyes, A to
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