Sodium hexamethylene-1,6-bisthiosulfate dihydrate CAS 5719-73-3

Name: Sodium hexamethylene-1,6-bisthiosulfate dihydrate CAS 5719-73-3
Brand: Aure Chemical
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Synonyms: Hexamethylene-1,6-bis(thiosulfate) disodium salt dihydrate; 1,6-Hexamethylene bis(sodium thiosulfate); HTS; Duralink HTS; disodium 1,6-bis(sulfonatosulfanyl)hexane; Hexamethylene-1,6-di-sodiumthiosalfate,dihydrate; Thiosulfuric acid, S,S'-1,6-hexanediyl ester, disodium salt; Sodium S,S'-(hexane-1,6-diyl) bis(sulfurothioate)

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Product Details

Aure Chemical Delivers Reliable Sodium hexamethylene-1,6-bisthiosulfate dihydrate (CAS 5719-73-3) at Consistent Quality

Basic Information

CAS No.	5719-73-3
EC No.	401-320-7
Linear Formula	C6H12Na2O6S4 · 2H2O
Molecular Weight	390.41
Appearance	White powder
Melting Point	Not available (typical reference)
Boiling point	Not available (typical reference)
Density	approx. 1.1 g/cm³ (lit.)
RIDADR	Not regulated as dangerous goods (typical)
Chemical Structure

Key Applications

Anti-reversion agent in rubber vulcanization: Widely used as a post-vulcanization stabilizer (HTS) in sulfur-cured natural rubber, SBR, BR and their blends to improve resistance to reversion under high-temperature conditions.
Adhesion promoter for steel cord: Enhances bonding between brass-plated steel cord and rubber compounds in tire and industrial rubber applications.
Dynamic property modifier: Improves fatigue resistance, flex life and overall dynamic performance of rubber articles subjected to repeated mechanical stress.
Rubber compound additive: Incorporated into formulations for tire sidewalls, thick-section products and high-performance rubber goods requiring stable crosslink structures.
Specialty rubber processing aid: Supports consistent vulcanization behavior and helps maintain physical properties in demanding industrial rubber applications.

Aure Chemical: Your Reliable Partner

Consistent quality for industrial use: Product is supplied to reliable purity specifications suited to rubber compounding and adhesion-promotion processes.
Stable export capability: Established logistics support efficient international shipping and flexible bulk supply for global rubber manufacturers.
Full documentation package: SDS, COA and related compliance documents are provided to meet industrial procurement and regulatory needs.
Responsive technical assistance: Support is available for packaging options, shipment coordination and technical questions related to rubber applications.

Hazards Classification

GHS Classification: Skin sensitization (Category 1); Hazardous to the aquatic environment, chronic (Category 3). Hazard Statements: H317 May cause an allergic skin reaction; H412 Harmful to aquatic life with long lasting effects. UN Number: Not applicable. Hazard Class: Not regulated. Packing Group: Not applicable.

Packaging, Logistics & Compliance Capabilities

Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.