Merck
CN

226017

Sigma-Aldrich

1,2-萘醌-4-磺酸 钠盐

97%

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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
Empirical Formula (Hill Notation):
C10H5NaO5S
CAS号:
分子量:
260.20
Beilstein:
4169788
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

质量水平

检测方案

97%

形式

powder

mp

289 °C (dec.) (lit.)

溶解性

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.)

SMILES string

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

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

InChI key

UBLXEEBHYISRFM-UHFFFAOYSA-M

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1 of 4

此商品
246425204447296813
1,2-Naphthoquinone-4-sulfonic acid sodium salt 97%

Sigma-Aldrich

226017

1,2-萘醌-4-磺酸 钠盐

trans,trans-Dibenzylideneacetone 98%

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联甲基苯乙烯酮

Sodium sulfate ≥99.99% trace metals basis

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硫酸钠

Sodium cyanoborohydride solution 1.0 M in THF

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氰基硼氢化钠 溶液

form

powder

form

solid

form

powder

form

-

mp

289 °C (dec.) (lit.)

mp

104-107 °C (lit.)

mp

884 °C (lit.)

mp

-

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.)

solubility

acetone: soluble(lit.), alcohol: slightly soluble(lit.), chloroform: soluble(lit.), diethyl ether: slightly soluble(lit.), water: insoluble(lit.)

solubility

ethanol: insoluble(lit.)

solubility

THF: soluble(lit.), alcohol: soluble(lit.), hydrocarbons: insoluble(lit.), water: soluble(lit.)

应用

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

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves


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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
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.
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

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