Awaiting product image

SODIUM DITHIONITE, Reagent, powder, (Sodium Hydrosulfite), Na₂S₂O₄

CAS Number
7775-14-6
Molecular Formula
Na₂S₂O₄
Product Code
18826
Chemical Name:
Sodium Hydrosulfite
Request Quote
Quality Guaranteed
Traceable, Tested, and Safe
Chemical Name Sodium Hydrosulfite
Molecular Formula Na₂S₂O₄
Physical and Chemical Properties SPONTANEOUSLY COMBUSTIBLE, HYGROSCOPIC

Spec Variations

Generic Product - Noah Chemicals
SODIUM PHOSPHATE DIBASIC, ANHYDROUS, FCC, granular, (Disodium Phosphate, Disodium Hydrogen Phosphate), Na₂HPO₄
View
Generic Product - Noah Chemicals
SODIUM CARBONATE, ANHYDROUS, 99.5% pure, powder, Na₂CO₃
View
Generic Product - Noah Chemicals
SODIUM DICHROMATE, 65% SOLUTION, 99% pure, 25.8% Cr, Na₂Cr₂O₇
View
Generic Product - Noah Chemicals
SODIUM METASILICATE, NONAHYDRATE, Reagent, crystal, Na₂SiO₃.9H₂O
View
Generic Product - Noah Chemicals
SODIUM TELLURITE, 99% pure, crystal, (Sodium Tellurium (IV) Oxide), Na₂TeO₃
View
Generic Product - Noah Chemicals
SODIUM OXALATE, Reagent, -100 mesh, Na₂C₂O₄
View
Generic Product - Noah Chemicals
SODIUM TETRABORATE, DECAHYDRATE, 99.5% pure, -70 mesh, (Borax), Na₂B₄O₇.10H₂O
View
Generic Product - Noah Chemicals
SODIUM PHOSPHATE TRIBASIC, DODECAHYDRATE, Chemically Pure, crystal, (Trisodium Phosphate, Dodecahydrate), Na₃PO₄.12H₂O
View

Shipping Information

Special Handling Required
This product requires special packaging and shipping due to its toxic nature.
  • Ships via ground transportation only
  • Proper hazardous material labeling included
  • Adult signature required upon delivery
  • Cannot ship to P.O. boxes
International Shipping
We ship to most countries worldwide, subject to applicable regulations and carrier availability. Additional documentation or permits may be required depending on the destination and product classification. Certain products may have route, carrier, or mode restrictions due to their hazardous nature. Specific shipping options and requirements will be confirmed at the time of quotation or order.

Frequently Asked Questions

1. How long will it take to receive a quote?

Most quotes are provided within one week. More complex requests — including custom materials, specialty specifications, or large-volume inquiries — may require one or more weeks for full review and pricing.

Noah Chemicals can offer payment terms to approved customers through our credit application process. New customers typically begin on prepaid terms until we establish a transaction history and credit profile. Once approved, formal payment terms can be extended based on credit review.

We accept company check, wire transfer, and major credit cards. We do not ship COD and cannot accept personal checks.

Noah Chemicals standard Incoterm is EXW San Antonio, Texas, unless otherwise specified.

Noah Chemicals will ship your order according to any special shipping instructions provided on your purchase order. Once your PO is received, your Account Manager will pass it to our Operations Team. An Operations Representative will then issue an official Order Confirmation and begin processing your order.

If your account requires prepayment, we will also send a Proforma Invoice along with the Order Confirmation. Processing will begin once payment is received. Customers on established payment terms will move directly into order processing.

Once your order ships, your Operations Representative will provide shipment details and tracking information. If you have any questions before or after shipment, please contact the Operations Representative listed on your Order Confirmation or Assigned Account Manager.

Yes. We support custom sourcing, custom blends, tight-spec materials, and specialty packaging requirements depending on feasibility and regulatory constraints.