Stannous sulfate CAS#7488-55-3

CAS Number: 7488-55-3
Chemical Formula: O4SSn
Synonyms:

STANNOUS SULFATE
TIN(+2)SULFATE
Tin sulphate

Appearance: White Powder

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Stannous sulfate CAS#7488-55-3

Stannous Sulfate is a white to slightly yellow, heavy crystalline powder. When dissolved in a 5% Sulfuric Acid Solution, a clear solution is obtained. Gradual hydrolysis occurs over a period of time with the formation of insoluble tin compounds.
Stannous Sulfate is commonly used in acid tin plating baths, liquor finishing and drawing of steel wire. It delivers a high current efficiency and smooth, fine grained deposits. A bright finish can be obtained by flow melting of through the use of certain additives.

Stannous sulfate Chemical Properties

Melting point	360 °C
bulk density	800kg/m3
density	4,15 g/cm3
vapor pressure	0Pa at 20℃
storage temp.	no restrictions.
form	Solid
color	White to off-white
Specific Gravity	1.35
Odor	Odorless
PH	1.6 (50g/l, H2O, 20℃)
Water Solubility	330 g/L (20 ºC)
Merck	14,8790
Exposure limits	ACGIH: TWA 2 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3
Stability:	Stable, but moisture sensitive. Incompatible with strong oxidizing agents.
InChI	1S/H2O4S.Sn/c1-5(2,3)4;/h(H2,1,2,3,4);/q;+2/p-2
InChIKey	OBBXFSIWZVFYJR-UHFFFAOYSA-L
SMILES	[SnH2++].[O-]S([O-])(=O)=O
CAS DataBase Reference	7488-55-3(CAS DataBase Reference)
EPA Substance Registry System	Sulfuric acid, tin(2+) salt (1:1) (7488-55-3)

Safety Information

Hazard Codes	Xi,N,Xn
Risk Statements	36/37/38-36/37-68-50/53-48/22-43-20
Safety Statements	26-36-39-61-60-45-37-53
WGK Germany	WGK 3
RTECS	WT1255000
TSCA	TSCA listed
HS Code	28332990
Storage Class	8A - Combustible corrosive hazardous materials
Hazard Classifications	Acute Tox. 4 Inhalation Aquatic Chronic 1 Eye Irrit. 2 Met. Corr. 1 Muta. 2 Skin Irrit. 2 Skin Sens. 1 STOT RE 2 STOT SE 3
Toxicity	LD50 orally in Rabbit: 2207 mg/kg

Product Application Of Stannous sulfate CAS#7488-55-3

Stannous sulfate is the sulfate salt of stannous. Study has shown that it can be mixed with gypsum to make a retarder in grinding portal cement and blended hydraulic cement, which can improve the quality of the cement, mortar and concrete. It can also be used as the reducing agent during the determination of mercury, cobalt and nickel through atomic absorption spectrophotometry. It can also be used as an electrolyte additive to be supplemented to the battery. This could have a positive effect on restraining larger particles of irreversible sulfation in charge-discharge cycles of battery testing.

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