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7783-18-8

7783-18-8 Structure

7783-18-8 Structure
IdentificationMore
【Name】

AMMONIUM THIOSULFATE
【CAS】

7783-18-8
【Synonyms】

AMMONIUM HYPOSULFITE
AMMONIUM THIOSULFATE
AMMONIUM THIOSULPHATE
ammohypo
ammoniumthiosulfate((nh4)2s2o3)
ammoniumthiosulfatesolution(60%orless)
amthio
diammoniumthiosulfate
thio-sul
thiosulfuricacid(h2s2o3),diammoniumsalt
Thiosulfuricacid,diammoniumsalt
thiosulfuricacid[h2s2o3],diammoniumsalt
ammonium thiosulate
Aminonium Thiosulfate
Ammoniumthiosulfatewhitextl
AMMONIUM THIOSULFATE PURE
AMMONIUM THIOSULFATE CRYSTALLIZED STAB
AmmoniumThiosulfateH8N2O3S2
AmmoniumThiosulphate.PhotoGrade
AmmoniumThiocyanateNH4SCN
【EINECS(EC#)】

231-982-0
【Molecular Formula】

H8N2O3S2
【MDL Number】

MFCD00015965
【Molecular Weight】

148.21
【MOL File】

7783-18-8.mol
Chemical PropertiesBack Directory
【Appearance】

white or colourless crystals
【mp 】

180°C (dec.)
【density 】

1.679 g/mL at 25 °C(lit.)
【Stability:】

Stable. Hygroscopic.
【Sensitive 】

Hygroscopic
【Merck 】

14,562
【CAS DataBase Reference】

7783-18-8(CAS DataBase Reference)
Safety DataBack Directory
【Risk Statements 】

R33:Danger of cumulative effects.
R36/37/38:Irritating to eyes, respiratory system and skin .
【Safety Statements 】

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37:Wear suitable gloves .
【WGK Germany 】

1
【RTECS 】

XN6465000
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Ammonium chloride -->Sulfur-->Ammonium bicarbonate-->HYDROGEN SULFIDE-->Sulphur-->Ammonium thiocyanate-->Sodium thiocyanate-->Ammonium sulfide-->AMMONIUM POLYSULFIDE
Hazard InformationBack Directory
【General Description】

AMMONIUM THIOSULFATE(7783-18-8) is a white crystalline solid. AMMONIUM THIOSULFATE(7783-18-8) is very soluble in water. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. AMMONIUM THIOSULFATE(7783-18-8) is used in photography, in chemical analysis, and for many other uses.
【Reactivity Profile】

AMMONIUM THIOSULFATE is sensitive to heat. This chemical is incompatible with magnesium and aluminum powder. Mixtures with sodium chlorate can cause an exothermic reaction which can then decompose explosively. . Reacts with strong oxidizers such as chlorates, nitrates, and nitrites to release toxic ammonia, hydrogen sulfide, and sulfur trioxide gases. Will not polymerize. Ammonia, hydrogen sulfide, and oxides of nitrogen and oxides of sulfur may form in fires [USCG, 1999].
【Air & Water Reactions】

Hygroscopic. Very soluble in water.
【Health Hazard】

Inhalation of dust may irritate respiratory system. Ingestion could be harmful. Contact with eyes or skin may cause irritation.
【Fire Hazard】

Special Hazards of Combustion Products: Toxic ammonia, hydrogen sulfide, and oxides of nitrogen and sulfur may form in fires.
Spectrum DetailBack Directory
【Spectrum Detail】

AMMONIUM THIOSULFATE(7783-18-8)IR1
Well-known Reagent Company Product InformationBack Directory
【Alfa Aesar】

Ammonium thiosulfate, 99%(7783-18-8)
【Sigma Aldrich】

7783-18-8(sigmaaldrich)
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