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Merck
CN
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文件

1.01922

Supelco

3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate

(Tiron) metal indicator

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别名:
3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate, 1,2-Dihydroxy-3,5-benzenedisulfonic acid disodium salt, di-Sodium 4,5-dihydroxy-1,3-benzenedisulfonate, Sodium pyrocatechol-3,5-disulfonate, Tiron
经验公式(希尔记法):
C6H4Na2O8S2 · xH2O
CAS号:
分子量:
314.20 (anhydrous basis)
UNSPSC代码:
12352107
EC索引号:
205-741-5
NACRES:
NA.21

质量水平

形式

solid

组成

Water, 4.5-6.5% Karl Fischer

pH值(酸碱度)

5.0 (20 °C, 10 g/L in H2O)

mp

300 °C

溶解性

1350 g/L

堆积密度

465 kg/m3

λmax

290-291 nm (buffer pH 2.5)

储存温度

15-25°C

InChI

1S/C6H6O8S2.2Na/c7-4-1-3(15(9,10)11)2-5(6(4)8)16(12,13)14;;/h1-2,7-8H,(H,9,10,11)(H,12,13,14);;/q;2*+1/p-2

InChI key

ISWQCIVKKSOKNN-UHFFFAOYSA-L

相关类别

应用

  • The oxidative degradation of Calmagite using added and in situ generated hydrogen peroxide catalysed by manganese(II) ions: A study evaluating the efficacy and degradation pathways in environmental testing, highlighting potential applications of similar compounds like 3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate in waste management and pollutant analysis (Cao Y, Sheriff TS, 2022).
  • Synthesis of conformationally restricted acidic lipids: Discusses techniques that could be utilized in the synthesis and analysis of structurally similar compounds like 3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate, enhancing understanding in material science and biomedical research (Rakitzis ET et al., 1978).

分析说明

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (buffer pH 2.5): 290 - 291 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.05 g/l; buffer pH 2.5; calculated on anhydrous substance): 100 - 125
Water (according to Karl Fischer): 4.5 - 6.5 %
Suitability as indicator (for metal titration): passes test

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2 - Skin Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 3


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