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Stannous chloride dihydrate CAS#10025-69-1

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Chemical Name：Stannous chloride dihydrate

CAS No.:10025-69-1

Molecular Formula：Cl2H4O2Sn

Molecular weight:225.65

Sample: Available

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Product Details

Products Description of Stannous chloride dihydrate CAS#10025-69-1

Stannous chloride, chemical formula SnCl2, is also called tin dichloride. There are anhydrous and hydrated substances. The former is transparent crystals with a melting point of 246℃, a boiling point of 652℃, and a relative density of 3.95. It is soluble in water and oxidized in the air to form insoluble chloride oxides. It is hydrolyzed in water to form basic stannous chloride 〔Sn(OH)Cl〕precipitate. When preparing its solution, it needs to be dissolved in concentrated hydrochloric acid and then diluted to inhibit hydrolysis. Since it is easily oxidized by air, adding metallic tin particles to the solution can prevent oxidation. The dihydrate SnCl2·2H2O is a colorless monoclinic crystal or flaky crystal with a melting point of 37.7℃ and a relative density of 2.71. It loses crystal water when heated to 100℃. Stannous chloride is often used as a reducing agent, mordant, decolorizing agent and analytical reagent in chemical industry production; it is used for tin plating in the electroplating industry. Anhydrous stannous chloride is obtained by direct reaction of chlorine and molten tin;

Hydrated stannous chloride can be obtained by treating flaky tin with hydrochloric acid, followed by evaporation and crystallization.

Stannous chloride dihydrate Chemical Properties

Melting point	37-38 °C (dec.)(lit.)
Boiling point	652 °C(lit.)
density	2.71
storage temp.	Store at +15°C to +25°C.
solubility	hydrochloric acid
form	Solid
color	White or colorless
Specific Gravity	2.71
PH	1-2 (100g/l, H2O, 20℃)
Water Solubility	1187 g/L (20 ºC)
Sensitive	Air Sensitive
Merck	14,8783
Exposure limits	ACGIH: TWA 2 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 2 mg/m3
Stability:	Stable. Incompatible with strong oxidizing agents, alkali metals, ammonia, alcohols, alkalies, nitrates, boron trifluoride, boron trichloride, carbides.
InChIKey	AXZWODMDQAVCJE-UHFFFAOYSA-L
CAS DataBase Reference	10025-69-1(CAS DataBase Reference)
EPA Substance Registry System	Tin chloride (SnCl2), dihydrate (10025-69-1)

Safety Information

Hazard Codes	C,N
Risk Statements	22-34-68-50/53-48/22-43-20-63
Safety Statements	26-36/37/39-45-61-60
RIDADR	UN 3260 8/PG 3
WGK Germany	1
RTECS	XP8850000
TSCA	Yes
HazardClass	8
PackingGroup	II
HS Code	28273910
Toxicity	LD50 orally in Rabbit: 700 mg/kg

Product Application of Stannous chloride dihydrate CAS#10025-69-1

It is used as a reducing agent for the manufacture of dye intermediates. It is a component of ultra-high pressure lubricating oil. It is used as a bleaching agent. It is used for the sensitization of mercury plating in mirror making.

The silver film formed has good brightness and the mercury is firmly bonded to the product. It is used for tin plating and copper-tin plating of mechanical parts in the electroplating industry. It is used for sensitization during electroplating of ABS plastics to prevent the coating from falling off.

It is also used in the synthesis of pharmaceuticals, as a catalyst for organic synthesis, and as an activator for the vulcanization of butyl rubber products. It is a mordant during dyeing and a dye resist in the printing discharge process. It is a stabilizer in the spice industry. It is a food reducing agent and antioxidant, such as canned asparagus and pineapple juice.

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