If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
1.06505
Sodium dithionite
EMPLURA®
Synonyma:
Sodium dithionite, Sodium hydrosulfite, Sodium hypodisulfite
Vybrat velikost
| Velikost balení | Skladová položka | Dostupnost | Cena |
|---|---|---|---|
| 1 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 380,00 Kč | |
| 50 kg | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 44 800,00 Kč |
O této položce
1 380,00 Kč
Quality Level
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
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
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
Identity: passes test
Chloride (Cl): ≤ 0.05 %
Fe (Iron): ≤ 0.005 %
Legal Information
1 of 1
Tato položka | |||
|---|---|---|---|
| form powder | form powder | form powder | form powder |
| solubility 250 g/L (slow decomposition) | solubility 650 g/L | solubility - | solubility - |
| assay ≥85.0% (iodometric) | assay 98.0-100.5% (iodometric) | assay ≥82% (RT) | assay ≥99% |
| Quality Level 200 | Quality Level 300 | Quality Level 100 | Quality Level 200 |
| anion traces chloride (Cl-): ≤0.05% | anion traces chloride (Cl-): ≤0.005%, thiosulfate (S2O32-): ≤0.05%passes test | anion traces chloride (Cl-): ≤50 mg/kg | anion traces - |
| mp 100 °C (decomposition) | mp 150 °C (decomposition) | mp - | mp >300 °C (lit.) |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Self-heat. 1
supp_hazards
Skladovací třída
4.2 - Pyrophoric and self-heating hazardous materials
wgk
WGK 1
flash_point_f
212.0 °F
flash_point_c
> 100 °C
Osvědčení o analýze (COA)
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Související obsah
Globální číslo obchodní položky
| Skladová položka | GTIN |
|---|---|
| 1065059050 | 04022536077802 |
| 1065051000 | 04022536077796 |
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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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