formamidine sulphinic acid99%min

ITEM

Standard Specifications

APPEARANCE

White Crystal Powder

PURITY

≥99.00%

THIOUREA RESIDUAL

≤0.10%

SO4

≤0.17%

MOISTURE

≤0.05%

IRON CONTENT

≤0.001%

QUALITY STABILITY

Stable at 80°C/2 hours

CHEMICAL NAME

Formamidine Sulfinic Acid or aminoiminomethanesulfinic acid

TRADE NAME

Thiourea Dioxide

UN NO.:3341

Molecular Formula: CH4N2O2S

CAS NO.: 1758-73-2

Molecular Weight: 108.12

Physical and chemical properties and main hazardous properties

White or light yellow crystal powder, high reducibility when heating or in alkaline solutin, strong decomposition and releasing poisonous gas above 100 degrees.

Purpose of the product

TDO is a new-type, environmentally friendly products, it is non-toxic, stable, and tasteless. It is used as a substitute of sodium hydrosulfite or rongalite. As efficient reducing agent, bleaching and decoloring agent, stabilizer for plastic, antidoxidant, sensibilizer, pharmaceutical intermediate, they have been widely used in textile printing and dyeing, papermaking, plastic, the synthesis of organic compounds, film industries, pharmaceutical industries, water treatment, etc.

Packaging

25kg plastic bags, 20MT/20' container50kg fiber drums, 18MT/20' container80kg FIBC, 12.8MT/20' container180kg steel drums, 14.4MT/20' container500kg container bags, 20MT/20' container1000kg container bags, 20MT/20' container

Storage

Store in a cool ( below 30°C), dry, well ventilated area away from all source of ignition and out of direct sunlight. Keep away from incompatible materials. Keep containers tightly closed. Do not store in unlabelled or mislabeled containers. Protect from moisture. Do not store near combustible materials. Keep containers well sealed. Seal only with original vent cap. Ensure pressure relief and adequate ventilation. Store separately from organics and reducing materials. Avoid contamination which may lead to decomposition.