N8257
α-萘酚酞
>80% purity NaOH basis (titration), practical grade, powder
别名:
1-Naphtholphthalein; 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
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关于此项目
经验公式（希尔记法）:
C28H18O4
化学文摘社编号:
分子量:
418.44
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
EC Number:
209-875-5
MDL number:
Beilstein/REAXYS Number:
97816
产品名称
α-萘酚酞, practical grade
InChI
1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H
InChI key
HQHBAGKIEAOSNM-UHFFFAOYSA-N
SMILES string
Oc1ccc(c2ccccc12)C3(OC(=O)c4ccccc34)c5ccc(O)c6ccccc56
grade
practical grade
assay
>80% NaOH basis (titration)
form
powder
technique(s)
titration: suitable
pH
7.3-8.7, colorless to blue-green
mp
238-240 °C (lit.)
solubility
ethanol: 50 mg/mL, clear, red-orange
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
Quality Level
General description
α-Naphtholphthalein, a phthalein dye is a pH indicator between 7.3 (colorless) and 8.7 (greenish-blue). Applications include inks, markers, detecting viable cells, food storage, and many more.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
I M Pérez de Vargas-Sansalvador et al.
Analytica chimica acta, 655(1-2), 66-74 (2009-11-21)
A study of different strategies to prepare phosphorescence-based sensors for gaseous CO(2) determination has been performed. It includes the characterization of different configurations tested, a discussion of the results obtained and possibilities for the future. The optical sensor for gaseous
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