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Merck
CN

226017

1,2-萘醌-4-磺酸 钠盐

97%

别名:

1,2-萘醌-4-磺酸钠, 3,4-二氢-3,4-二氧代-1-萘磺酸 钠盐, Folin 试剂

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关于此项目

经验公式(希尔记法):
C10H5NaO5S
化学文摘社编号:
分子量:
260.20
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-308-9
Beilstein/REAXYS Number:
4169788
MDL number:
Assay:
97%
Form:
powder
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InChI key

UBLXEEBHYISRFM-UHFFFAOYSA-M

InChI

1S/C10H6O5S.Na/c11-8-5-9(16(13,14)15)6-3-1-2-4-7(6)10(8)12;/h1-5H,(H,13,14,15);/q;+1/p-1

SMILES string

[Na+].[O-]S(=O)(=O)C1=CC(=O)C(=O)c2ccccc12

assay

97%

form

powder

mp

289 °C (dec.) (lit.)

solubility

alcohol: slightly soluble 95%, acetone: moderately soluble(lit.), benzene: insoluble(lit.), carbon disulfide: insoluble(lit.), chloroform: insoluble(lit.), diethyl ether: insoluble(lit.), petroleum ether: insoluble(lit.), water: soluble(lit.)

functional group

ketone, sulfonic acid

Quality Level

Application

1,2-萘醌-4-磺酸钠盐(Folin 试剂)可用在比色测定中测定药物制剂中的盐酸普鲁卡因

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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R B Salama et al.
Journal of pharmaceutical sciences, 69(3), 346-348 (1980-03-01)
A new rapid, specific, and convenient colorimetric method for the determination of procaine hydrochloride in pharmaceutical preparations is described. This method is based on measurement of the intensity of the orange-red color developed when procaine hydrochloride is allowed to react
Natividad García-Villar et al.
Journal of chromatography. A, 1216(36), 6387-6393 (2009-08-01)
A new HPLC method for determining biogenic amines in wines is developed. This method is based on pre-column amine derivatization, further separation of derivatives and on-line hyphenation of HPLC to atmospheric pressure chemical ionization mass spectrometry (APCI-MS). Biogenic amines have
Li Xiao Xu et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 59(13), 3103-3110 (2003-10-30)
Spectrophotometric determination of procaine hydrochloride is described. The procaine hydrochloride reacts with 1,2-naphthoquinone-4-sulfonic acid in pH 3.60 buffer solution to form a salmon pink compound, and its maximum absorption wavelength is at 484 nm, epsilon(484)=5.22 x 10(3).The absorbance for procaine
R M Latorre et al.
Electrophoresis, 21(3), 563-572 (2000-03-22)
The application of chemometric techniques to the resolution of overlapped peaks in capillary electrophoresis (CE) is described. When a physical separation can not be completely accomplished, chemometrics might still resolve the determination of the analytes mathematically. CE with diode array
Masoumeh Hasani et al.
Analytical biochemistry, 365(1), 74-81 (2007-03-22)
A spectrophotometric method for simultaneous analysis of glycine and lysine is proposed by application of neural networks on the spectral kinetic data. The method is based on the reaction of glycine and lysine with 1,2-naphthoquinone-4-sulfonate (NQS) in slightly basic medium.

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