Sodium hydrosulfite

SIGMA/71699 - ≥82% (RT)

Synonym: Sodium dithionite; Sodium hypodisulfite

CAS Number: 7775-14-6
Empirical Formula (Hill Notation): Na₂O₄S₂
Molecular Weight: 174.11
EC Number: 231-890-0
MDL Number: MFCD00011640
Linear Formula: NaO₂SSO₂Na
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-71699-50G	50 g	$41.20 1/EA	Add To Favorites
45-71699-250G	250 g	$85.40 1/EA	Add To Favorites
45-71699-1KG	1 kg	$254.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

anion traces	chloride (Cl^-): ≤50 mg/kg
assay	≥82% (RT)
cation traces	Ca: ≤50 mg/kg
	Cd: ≤5 mg/kg
	Co: ≤5 mg/kg
	Cr: ≤5 mg/kg
	Cu: ≤5 mg/kg
	Fe: ≤5 mg/kg
	K: ≤50 mg/kg
	Mg: ≤5 mg/kg
	Mn: ≤5 mg/kg
	Ni: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Zn: ≤5 mg/kg
form	powder
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
pH	7.0-9.0 (20 °C, 50 g/L)
Quality Level	100
reaction suitability	reagent type: reductant
SMILES string	[Na+].[Na+].[O-]S(=O)S([O-])=O

Application:

Porphyrin-based covalent organic frameworks as doxorubicin delivery system for chemo-photodynamic synergistic therapy of tumors.: This study investigates the use of porphyrin-based covalent organic frameworks to enhance the delivery of doxorubicin for combined chemotherapy and photodynamic therapy in tumor treatment. The research demonstrates improved therapeutic efficacy through this synergistic approach (Chen et al., 2024 ).

Interactions between Damaged Hair Keratin and Juglone as a Possible Restoring Agent: A Vibrational and Scanning Electron Microscopy Study.: The article explores the restorative effects of juglone on damaged hair keratin, utilizing vibrational spectroscopy and scanning electron microscopy. The findings suggest potential applications in hair care products to repair and protect hair structure (Di Foggia et al., 2024 ).

Comparative Transcriptome Analysis Reveals the Molecular Mechanisms of Acetic Acid Reduction by Adding NaHSO₃ in Actinobacillus succinogenes GXAS137.: This research delves into the molecular mechanisms behind the reduction of acetic acid in Actinobacillus succinogenes GXAS137 when treated with sodium hydrosulfite, revealing significant transcriptomic changes and potential pathways involved (Li et al., 2023 ).

Reduced graphene oxide coated alginate scaffolds: potential for cardiac patch application.: The study evaluates the use of reduced graphene oxide-coated alginate scaffolds for cardiac patch applications, demonstrating enhanced mechanical properties and biocompatibility, suggesting its potential for cardiac tissue engineering (Baheiraei et al., 2023 ).

Three birds, one stone: Disinfecting and turning waste medical masks into valuable carbon dots for sodium hydrosulfite and Fe(3+) detection enabled by a simple hydrothermal treatment.: This innovative research presents a method to recycle waste medical masks into carbon dots for detecting sodium hydrosulfite and Fe(3+), combining disinfection and waste reduction with the creation of useful nanomaterials (Li et al., 2023 ).

Other Notes:

Reducing agent; To identify the essential tyrosine residue of F₁-ATPase from the thermophilic bacterium PS3, that reacts with 7-chloro-4-nitrobenzofurazan; Spectrophotometric determination of the haptoglobin-haemoglobin complex in haemolysed serum; Prolongs the hydrogen photoproduction by Chlorella fusca var. vacuolata 211.11M; Cleaves Ellman′s reagent in surfactant vesicles.

Symbol	GHS02,GHS07
Signal word	Danger
Hazard statements	H251 - H302 - H319
Precautionary statements	P235 - P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338
Hazard Codes	Xn
Risk Statements	7-22-31
Safety Statements	7/8-26-28-43
RIDADR	UN 1384 4.2 / PGII
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable
Supplemental Hazard Statements	EUH031

Purity	≥82% (RT)
UNSPSC	12161900

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