---
product_id: 63868389
title: "Thiourea Dioxide (Formamidinesulfinic Acid) [CH4N2O2S] [CAS_1758-73-2] 99+% White/Yellowish Granular Solid (110.23 Lb Drum) by Wintersun Chemical"
brand: "wintersun chemical"
price: "VT237299"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/63868389-thiourea-dioxide-formamidinesulfinic-acid-ch4n2o2s-cas-1758-73-2-99
store_origin: VU
region: Vanuatu
---

# 110.23 lb industrial-grade drum Ultra-low impurities for consistent bleaching 99%+ purity for reliable reactions Thiourea Dioxide (Formamidinesulfinic Acid) [CH4N2O2S] [CAS_1758-73-2] 99+% White/Yellowish Granular Solid (110.23 Lb Drum) by Wintersun Chemical

**Brand:** wintersun chemical
**Price:** VT237299
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Elevate your pulp bleaching game with precision-grade Thiourea Dioxide!

## Quick Answers

- **What is this?** Thiourea Dioxide (Formamidinesulfinic Acid) [CH4N2O2S] [CAS_1758-73-2] 99+% White/Yellowish Granular Solid (110.23 Lb Drum) by Wintersun Chemical by wintersun chemical
- **How much does it cost?** VT237299 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/63868389-thiourea-dioxide-formamidinesulfinic-acid-ch4n2o2s-cas-1758-73-2-99)

## Best For

- wintersun chemical enthusiasts

## Why This Product

- Trusted wintersun chemical brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Brand:** Wintersun Chemical’s proven expertise in laboratory-grade chemicals
- • **Precision Purity:** Over 99% assay ensures top-tier chemical performance
- • **Consistent Quality:** Strict limits on residual thiourea, sulfate, moisture, and iron guarantee dependable results
- • **Industrial Scale Ready:** Generous 110.23 lb drum designed for high-volume operations
- • **Optimized for Pulp Bleaching:** Specialized reducing agent perfect for recycled and stone ground-wood pulp processing

## Overview

Thiourea Dioxide by Wintersun Chemical is a premium 99%+ pure granular reducing agent, expertly formulated for efficient bleaching of recycled and stone ground-wood pulp. Packaged in a robust 110.23 lb drum, it features ultra-low impurities to ensure consistent, high-quality industrial performance.

## Description

Synonyms: Degafas, Degafas As, Reducing Agent FTM, DepilorTM, Amidinosulfinic Acid; Formamidine Sulfinate; Sulfocarbamide Dioxide. CAS No: 1758-73-2. EINECS No: 217-157-8. Molecular Formula: CH4N2O2S. Molecular Weight: 108.12 g/mol.

## Features

- Thiourea Dioxide (Formamidinesulfinic Acid) Uses: A reducing agent primary used in the production of bleached recycled pulp. Bleaching of stone ground-wood., pressurized ground-wood.
- Appearance: White/ Yellowish Granular Solid
- Assay: >99%
- Specifications - Thiourea Residual: 0.10% Max, Sulfate: 0.17% Max, Moisture: 0.05% Max, Iron: 0.001% Max

## Technical Specifications

| Specification | Value |
|---------------|-------|
| % Assay of Chemical(s) | 99 |
| ASIN | B074P7T7WZ |
| Brand | Wintersun Chemical |
| Brand Name | Wintersun Chemical |
| Container Type | Drum |
| Item Form | Granule |
| Manufacturer | Wintersun Chemical |
| Package Information | Drum |
| Percentage assay | 99 |

## Product Details

- **Brand:** Wintersun Chemical
- **Percentage assay:** 99
- **Package Information:** Drum
- **Item Form:** Granule
- **Manufacturer:** Wintersun Chemical

## Images

![Thiourea Dioxide (Formamidinesulfinic Acid) [CH4N2O2S] [CAS_1758-73-2] 99+% White/Yellowish Granular Solid (110.23 Lb Drum) by Wintersun Chemical - Image 1](https://m.media-amazon.com/images/I/61e7dymTMBL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vu/products/63868389-thiourea-dioxide-formamidinesulfinic-acid-ch4n2o2s-cas-1758-73-2-99](https://www.desertcart.vu/products/63868389-thiourea-dioxide-formamidinesulfinic-acid-ch4n2o2s-cas-1758-73-2-99)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-06*