ChemicalBook > Product Catalog >Biochemical Engineering >Biochemical Reagents >Acid-base indicator >alpha-Naphtholphthalein
alpha-Naphtholphthalein
![alpha-Naphtholphthalein Structure](CAS/GIF/596-01-0.gif)
- 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
- MOL File:
- 596-01-0.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/6/14 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) |
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(14)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich(India) | N8257 | α-Naphtholphthalein practical grade | 596-01-0 | 1G | ₹9969.83 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | N8257 | α-Naphtholphthalein practical grade | 596-01-0 | 5G | ₹20134.5 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | N8257 | α-Naphtholphthalein practical grade | 596-01-0 | 10G | ₹30028.55 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | 1.06246 | 1-Naphtholphthalein indicator | 596-01-0 | 1G | ₹33150.01 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | 1.06246 | 1-Naphtholphthalein indicator | 596-01-0 | 5G | ₹37890 | 2022-06-14 | Buy |
alpha-Naphtholphthalein Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 233)Suppliers
Supplier | Tel | Country | ProdList | Advantage | Inquiry |
---|---|---|---|---|---|
Arnish Laborates Pvt Ltd | +91 7208475595 | Maharashtra, India | 187 | 58 | Inquiry |
Esjay Chemicals | +919820452929 | Maharashtra, India | 110 | 58 | Inquiry |
GSP Dyes and Chemicals Pvt.Ltd | +91-22-28144802 +91-2228144802 | Maharashtra, India | 79 | 58 | Inquiry |
DeFINE CHEMICALS | +91-8010769889 +91-9320057099 | Maharashtra, India | 120 | 58 | Inquiry |
ALPHA CHEMIKA | +91-22-22061123 +91-22-66382501 | Mumbai, India | 1681 | 43 | Inquiry |
Otto Chemie Pvt. Ltd. | +91 9820041841 | Mumbai, India | 5873 | 58 | Inquiry |
TCI Chemicals (India) Pvt. Ltd. | 1800 425 7889 | New Delhi, India | 6778 | 58 | Inquiry |
Alfa Aesar | 1 800 209 7001 | Maharashtra, India | 6913 | 58 | Inquiry |
LOBA CHEMIE PVT.LTD. | 91-22-6663 6699 | Mumbai, India | 3077 | 58 | Inquiry |
Central Drug House(P) Ltd. | 91-11-49404040 | New Delhi, India | 6160 | 58 | Inquiry |
Supplier | Advantage |
---|---|
Arnish Laborates Pvt Ltd | 58 |
Esjay Chemicals | 58 |
GSP Dyes and Chemicals Pvt.Ltd | 58 |
DeFINE CHEMICALS | 58 |
ALPHA CHEMIKA | 43 |
Otto Chemie Pvt. Ltd. | 58 |
TCI Chemicals (India) Pvt. Ltd. | 58 |
Alfa Aesar | 58 |
LOBA CHEMIE PVT.LTD. | 58 |
Central Drug House(P) Ltd. | 58 |
596-01-0(alpha-Naphtholphthalein)Related Search:
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-1-naphthalenyl)-
à-naphtholphthalein
3,3-bis(4-hydroxy-1-naphthyl)phthalide
A-NAPHTHOLPHTHALEIN PRACTICAL GRADE
ALPHA-NAPHTHOLPHTHALEIN INDICATOR
1-NAPHTHOLPHTHALEIN, INDICATOR
ALPHA-NAPHTHOLPHTHALEIN(0.1% IN CA. 50% ETHANOL)[FOR PH DETERMINATION]
alpha-Naphtholphthalein, indicator, pure
l-naphtholphthalein
ɑ-Naphtholphthalein
1,1′-naphthol-4,4′-phthalein
Phthalide, 3,3-bis(4-hydroxy-1-naphthyl)-
Di-p-α-naphtholphthalide
Naphtholphthalein blue
3,3-Bis(4-hydroxy-1-naphthyl)-1,3-dihydroisobenzofuran-1-one
3,3-Bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one
Di-p-a-Naphtholphthalide
3,3-Bis(4-hydroxy-1-naphtyl)isobenzofuran-1(3H)-one
3,3-Bis(4-hydroxy-1-naphtyl)phthalide
4,4'-[3(1H)-Oxoisobenzofuran-1,1-diyl]bis(1-naphthol)
alpha-Naphtholphthalein,pure,indicator
Alpha-naphtholphthalein ,90%
α-Naphtholphthalein ,90%
p-α-Naphtholphthalein
3,3-bis(4-hydroxynaphthalen-1-yl)-1,3-dihydro-2-benzofuran-1-one
alpha-Naphtholphthalein, indicator, pure 5GR
3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
1-NAPHTHOLPHTHALEIN INDICATOR PH 7,1 - 8
ALPHA-NAPHTHOLPHTHALEIN
3,3’-bis(4-hydroxy-1-naphthalenyl)-1(3H)-Isobenzolfuranone
α-Naphtholphthalein, 98%, indicator
(3S)-3-(4-hydroxy-1-naphthalenyl)-3-(5-hydroxy-1-naphthalenyl)-1-isobenzofuranone
α-Naphtholphthalein>
alpha-Naphtholphthalein USP/EP/BP
1-naphthol quinone
α-Naphtholphthalein
1-Naphtholphthalein 1-Naphtholphthalein, indicator
1-NAPHTHOLPHTHALEIN Indicator grade
NAPHTHOLPHTHALEIN
1-NAPHTHOLPHTHALEIN
α-naphthol phthalide indicator
1-Naphthol phenolphthalein
596-01-0
C28H18O4
C8H4O2C10H6OH2
Indicator (pH)
pH Indicators
Titration
Phthalein
Industrial/Fine Chemicals
N
Stains and Dyes
Stains&Dyes, A to
Indicators
pH Indicators - Solids
pharmacetical
Analytical Chemistry
Indicator (pH)