Thiourea dioxide,CAS 1758-73-2
7 Inquiries
1758-73-2
Shang hai
25kg/woven bag, 1kg/aluminum foil bag ng
2026-08-23
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceDryPowder
Thiourea dioxide appears as a white or light-yellow odorless crystalline powder. Mp:126°C. Soluble in water (27 g / L at room temperature). Decomposes exothermically at temperatures above 126°C with the emission of noxious gases (sulfur oxides, ammonia, carbon monoxide, nitrogen oxides and hydrogen sulfide) and carbon dioxide. Extended exposure to temperatures above 50°C and moisture may cause visible decomposition. Irritating to skin and mucous membranes. Corrosive to eye tissue. Used in leather processing, the paper industry, photographic industry, and in textile processing as a bleaching agent.|DryPowder; Liquid
Thiourea dioxide appears as a white or light-yellow odorless crystalline powder. Mp:126°C. Soluble in water (27 g / L at room temperature). Decomposes exothermically at temperatures above 126°C with the emission of noxious gases (sulfur oxides, ammonia, carbon monoxide, nitrogen oxides and hydrogen sulfide) and carbon dioxide. Extended exposure to temperatures above 50°C and moisture may cause visible decomposition. Irritating to skin and mucous membranes. Corrosive to eye tissue. Used in leather processing, the paper industry, photographic industry, and in textile processing as a bleaching agent.Basic Info-
Product Name:
Thiourea dioxide
Other Name:Methanesulfinic acid,1-amino-1-imino-;Methanesulfinic acid,aminoimino-;1-Amino-1-iminomethanesulfinic acid;NSC 34540;Formamidinesulfinic acid;Manofast;Aminoiminomethanesulfinic acid;Thiourea dioxide;Lorinol R;Degussa F;Tec Light;Formamidine sulfinate;NT-F 100;NSC 226979;Rucorit RGH;Thiourea peroxide;FAS;Reduktana;Polyclear;Operegal O;FAS (bleaching agent);23056-93-1;42580-06-3;56766-73-5;110445-04-0;852937-99-6;1081537-75-8
CAS No.:1758-73-2
UN No.:3341
Molecular Formula:CH4N2O2S
InChIKeys:InChIKey=FYOWZTWVYZOZSI-UHFFFAOYSA-N
Molecular Weight:108.12000
Exact Mass:108.12
EC Number:217-157-8
UNII:42BWR07L73
NSC Number:226979|34540
UN Number:3341
DSSTox ID:DTXSID4029224
HScode:2930909090
Categories:
Characteristics-
PSA:
106.38000
XLogP3:0.76730
Density:2.25 g/cm3
Melting Point:130 °C
Boiling Point:355.3ºC at 760 mmHg
Flash Point:168.7ºC
Refractive Index:1.66
Water Solubility:H2O: 30 g/L (20 ºC)
Storage Conditions:2-8ºC
Air and Water Reactions:Soluble in water. May decompose on exposure to moist air or water.
Reactive Group:Amides and Imides
Reactivity Alerts:Pyrophoric
Reactivity Profile:Thiourea dioxide is a reducing agent and a derivative of sulfinic acid (a weak inorganic acid). Decolorizes and bleaches materials by chemical reduction. Stable under normal temperatures and pressures. May decompose on exposure to moist air or water. Incompatible with strong oxidizing agents, strong bases. Aqueous solutions are acidic and corrosive.
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
Skin irritation, Category 2
Serious eye damage, Category 1
Acute toxicity - Category 4, Inhalation
Specific target organ toxicity â single exposure, Category 3
Specific target organ toxicity â repeated exposure, Category 2
Self- reactive substances and mixtures, Type G
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H252 Self-heating in large quantities; may catch fire
H302 Harmful if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H332 Harmful if inhaled
H335 May cause respiratory irritation
H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P317 Get medical help.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P319 Get medical help if you feel unwell.
Storage P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Location:
9F/TOWER B DANING MUSIC PLAZA NO.777, WANRONG ROAD JINGAN, DISTRICT, SHANGHAI, R.P. CHINA
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Payment Terms:
TT against copy of documents,D/P,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
14
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
5-10
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Year of Establishment:
2022
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Inquiry History7 Inquiries
Country Product Purchase Quantity Date Posted 
India
Thiourea dioxide
1 KG Nov 23, 2025 
Egypt
Formamidinesulfinic acid
30 TON Aug 16, 2024 
Nigeria
Thiourea Dioxide
2000 KG Jun 11, 2024
India
Thiourea Dioxide
2 20' Fcl Jun 26, 2026
Nigeria
Thiourea Dioxide
2000 KG Dec 3, 2024
Nigeria
Thiourea Dioxide
2000 KG Jun 14, 2024 
Thailand
Thiourea dioxide 99% White Crystalline Solid OUCHEM
1 KG Nov 16, 2023 Post an enquiry for this product
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