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Stannous chloride dihydrate

Chemical properties Solubility in water Identification test Uses Content analysis Toxicity Usage limit Production method
Stannous chloride dihydrate
Stannous chloride dihydrate structure
Chemical Name:
Stannous chloride dihydrate
Molecular Formula:
Formula Weight:
MOL File:

Stannous chloride dihydrate Properties

Melting point:
37-38 °C (dec.)(lit.)
Boiling point:
652 °C(lit.)
storage temp. 
Store at RT.
hydrochloric acid: passes test
White or colorless
Specific Gravity
1-2 (100g/l, H2O, 20℃)
Water Solubility 
1187 g/L (20 ºC)
Air Sensitive
Stable. Incompatible with strong oxidizing agents, alkali metals, ammonia, alcohols, alkalies, nitrates, boron trifluoride, boron trichloride, carbides.
CAS DataBase Reference
10025-69-1(CAS DataBase Reference)
EPA Substance Registry System
Tin chloride (SnCl2), dihydrate(10025-69-1)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
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
HazardClass  8
PackingGroup  II
HS Code  28273910
Toxicity LD50 orally in Rabbit: 700 mg/kg
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Stannous chloride dihydrate price More Price(33)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 208035 Tin(II) chloride dihydrate reagent grade, 98% 10025-69-1 100g $40 2018-11-13 Buy
Sigma-Aldrich 208035 Tin(II) chloride dihydrate reagent grade, 98% 10025-69-1 2.5kg $585 2018-11-13 Buy
Alfa Aesar 011536 Tin(II) chloride dihydrate Reagent Grade 10025-69-1 100g $30.3 2018-11-20 Buy
Alfa Aesar 011536 Tin(II) chloride dihydrate Reagent Grade 10025-69-1 500g $85.9 2018-11-20 Buy
Strem Chemicals 93-5031 Tin(II) chloride dihydrate, 98% 10025-69-1 500g $88 2018-11-13 Buy

Stannous chloride dihydrate Chemical Properties,Uses,Production

Chemical properties

It appears as colorless or white monoclinic crystal, being soluble in alcohol, ether, acetone and glacial acetic acid.

Solubility in water

Solubility in 100 ml of water:84 g/0 ° C

Identification test

Use a dilute hydrochloric acid test solution (TS-117) to prepare a 5% sample solution. Add drop wise of the mercuric chloride test solution (TS-138) to produce a white or off-white precipitate.
The result of the chloride test (IT-12) of the 5% sample solution was positive.


(1) It can be used as a reducing agent, mordant, bleaching agent and for tin plating in the electroplating industry.
(2) Stannous chloride dihydrate can be used for the colorimetric determination of silver, lead, arsenic and molybdenum, being also be used as a reducing agent and mordant
(3) This product is mainly used in acidic tin plating as major salt. Tin is in bivalent in the bath with high efficiency cathode. The general usage amount is 40~60 kg/L. It can also be used for glass mirror industry, as silver nitrate sensitizer to enable excellent coating brightness. Addition of the plating layer of this product during the ABS electroplating is not easy to fall off.
(4) Stannous chloride dihydrate can be used as the reducing agents in the manufacture of dyestuff intermediates. It can act as the components of super high pressure lubricating oil. It can be used as a bleaching agent for the sensitization of the mercury-plating during the manufacturing of mirror, enables excellent brightness of the formed silver film so that the combination of mercury and products is quite firm. Electroplating industry applied it for the tin-plating, copper-tin plating of the mechanical parts. During the ABS plastic plating, it is used for sensitization so that the coating is not easy to fall off. It can also be used in the synthesis of pharmaceuticals, as the catalyst in organic synthesis and the activator of the butyl rubber vulcanization. It can also be used as the mordant and the anti-dyeing agent in printing discharge process. It can be used as the stabilizers for perfumery industry, as food reductant and antioxidants used for canned asparagus, pineapple juice.
(5) It can be used as analysis reagents and reducing agent. It can also be used as the reductant for the production of dye intermediates; it can also be used for electroplating; as brightening agent during galvanized silver plating and plastic plate plating; as perfume stabilizer, bleach, stabilizing soap aroma; oil anti-fouling agent; raw material for organic synthesis; the raw material of herbicide Oxadiazon.
(6) It is a kind of strong reducing agent. It can be used for the determination of hydride via AAS; colorimetric determination of silver, lead, arsenic and molybdenum; determination of serum inorganic phosphorus and alkaline phosphatase activity, molybdenum blue method for the determination of soil and plant phosphorus content; the catalyst of the organic reaction.
(7) As a strong reducing agent, it is used for carbonyl allylation reaction; as the Lewis acid catalyst in a C-C bond reaction; the catalyst for the co-acting with AgClO4 for the synthesis of α-glycosides, the synthesis of such olefins, diolefins, cis-vinyl ethylene oxide and allyl selenide and de-oxidation of internal peroxides; used for the protection of carboxylic acids in the presence of 1,3-dithianes and selective methoxybenzyl ether scavenging reagents; the additives in hydroformylation and carbonylation reactions.

Content analysis

Accurately weigh about 2 g of sample and place it into a 250 ml volumetric flask. Add 15 l hydrochloric acid to solve it and use water to se the final volume, mix uniformly. Take 50 mL of this solution to place in a 500ml flask, add 5g potassium sodium tartrate and mix uniformly. Apply the cold saturated solution of sodium bicarbonate to adjust to alkaline (with litmus paper) and immediately titrate with 0.1mol/L iodine solution and take starch test solution (TS-235) as the indicator. Every mL of 0.1 mol/L iodine solution corresponds to 9.48 mg of stannous chloride (SnCl2) or 11.28 mg of stannous chloride dihydrate (SnC12.2H2O).


ADI 0~2mg/kg (FAO/WHO, 2001); Irritating to skin; Toxic, allowable content of air: 2mg/m. (In terms of Sn);
GRAS (FDA, § 184.1845, 2000);
LD50: 700 mg/kg (rat, oral);
During the production process of making Tin flower, we should avoid inhalation of tin dust, so as to avoid suffering from chronic bronchitis. The contact of stannous chloride solution with the skin can cause eczema. The maximum allowable concentration of the inorganic compound of tin in the United States is 2 mg/m3 (calculated based on metal tin). The production personnel should wear overalls, wear protective masks and gloves and other labor insurance products, paying attention to the protection of respiratory organs, protect the skin. The production equipment should be closed and the workshop should be well ventilated.

Usage limit

FDA/WHO(1984, mg/kg): canned asparagus 25 (only used for glass bottles of painted cans of canned asparagus, calculated based on Sn); pineapple juice 8 that merely preserved by physical methods (for reconstituted fruit juices, fruit juice prepared from frozen concentrated juice).
FDA, §172.180 (2000): canned asparagus color protection, 20mg/kg (Sn).
FDA, § 184.1845 (2000): various foods, 0.0015% (in Sn).

Production method

Tin can be dissolved in hydrochloric acid to derive.
Hydrochloric acid method: first melt the metal tin, and then pour into cold water to enable to the formation of the tin flower. Hydrochloric acid and tin flower are further added at a certain proportion into the reactors for reaction until the solution concentration of 40 ° Bé or so. It is further put into the enamel evaporator for concentration. First of all, add tin flower to the evaporator; through steam heating, have hydrochloric acid to further react with tin. When the solution concentration is increased to 73~77 ° Bé, filter while hot and then cool for crystallization and perform centrifugal separation to obtain the finished product of Tin. its
Sn + 2HCl → SnC12 + H2 ↑

Chemical Properties

White solid

Chemical Properties

Stannous chloride is a white crystalline solid.


ChEBI: A hydrate that is tin dichloride (anh.) combined with 2 mol eq. of water.


Powerful reducing agent, particularly in manufacture of dyes and 99mTc radiopharmaceuticals; in tinning by galvanic methods; in liquor finishing of wire; in sensitizing of glass and plastics before metallizing; as soldering flux; as mordant in dyeing with cochineal; in manufacture of tin chemicals, color pigments, pharmaceuticals, sensitized paper, lubricating oil additives; as tanning agent; in removing ink stains; in yeast revivers; as reagent in analytical chemistry; as catalyst in organic reactions.

Potential Exposure

Stannous chloride is used as a dye, pigment, and printing ink; in making chemicals; chemical preservatives; food additives; polymers, textiles, glass, silvering mirrors.

First aid

Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.


UN3260 Corrosive solid, acidic, inorganic, n.o.s., Hazard class: 8; Labels: 8-Corrosive material, Technical Name Required.


A strong reducing agent. Reacts violently with oxidants. Reacts violently with bromine trifluoride; potassium, hydrazine hydrate, sodium, sodium peroxide; ethylene oxide; and nitrates. Keep away from moisture, sources of oxygen, and combustible materials.

Stannous chloride dihydrate Preparation Products And Raw materials

Raw materials


Preparation Products

Stannous chloride dihydrate Suppliers

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Stannous chloride dihydrate Spectrum

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