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Merck
CN

1.06505

Sodium dithionite

EMPLURA®

别名:

Sodium dithionite, Sodium hydrosulfite, Sodium hypodisulfite

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关于此项目

经验公式（希尔记法）:
Na2O4S2
化学文摘社编号:
7775-14-6
分子量:
174.11
UNSPSC Code:
12352302
EC Index Number:
231-890-0
NACRES:
NA.21
MDL number:
MFCD00011640
Assay:
≥85.0% (iodometric)
Form:
powder
Solubility:
250 g/L (slow decomposition)

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SMILES string

[Na+].[Na+].[S](=O)([S](=O)[O-])[O-]

InChI

1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2

InChI key

JVBXVOWTABLYPX-UHFFFAOYSA-L

product line

EMPLURA®

assay

≥85.0% (iodometric)

form

powder

autoignition temp.

>200 °C

potency

2500 mg/kg LD50, oral (Rat)

pH

5.5-8.5 (20 °C, 50 g/L in H2O)

mp

100 °C (decomposition)

transition temp

flash point >100 °C

solubility

250 g/L (slow decomposition)

density

2.5 g/cm3 at 20 °C

bulk density

1250 kg/m3

anion traces

chloride (Cl-): ≤0.05%

cation traces

Fe: ≤0.005%

storage temp.

2-30°C

Quality Level

200

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Application


  • Fast detection of sodium dithionite in sugar using a xanthylium-based fluorescent probe.: This study introduces a rapid method for detecting sodium dithionite residues in sugar using a novel xanthylium-based fluorescent probe. The method is highly sensitive and efficient, making it a significant advancement in food safety and quality control (Wang et al., 2024).

  • Stabilising mannose using sodium dithionite at alkaline conditions.: Research in the kraft pulping process explores the use of sodium dithionite to stabilize mannose under alkaline conditions. The findings highlight its potential to reduce hemicellulose degradation, providing insights for enhancing the efficiency of chemical pulping processes (Lindén et al., 2020).

Analysis Note

Assay (iodometric): ≥ 85.0 %
Identity: passes test
Chloride (Cl): ≤ 0.05 %
Fe (Iron): ≤ 0.005 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Self-heat. 1

supp_hazards

EUH031

存储类别

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 1

flash_point_f

212.0 °F

flash_point_c

> 100 °C

法规信息

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