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Send EmailTin Sulfate, Stannous Sulfate, Stannaic Sulphate, Sulfate Stanneux, 7488-55-3
TIN(II) SULFATE (STANNOUS SULFATE)
PRODUCT IDENTIFIER INFORMATION
| Parameter | Information |
|---|---|
| Product Name | Tin(II) Sulfate (Stannous Sulfate) |
| Chemical Name (IUPAC) | Tin(II) Sulfate |
| CAS Number | 7488-55-3 |
| EC Number (EINECS) | 231-302-2 |
| Molecular Formula | SnSO₄ |
| Molecular Weight | 214.78 g/mol |
SECTION 1: CHEMICAL IDENTITY AND DESCRIPTION
| Parameter | Information |
|---|---|
| Chemical Name (IUPAC) | Tin(II) Sulfate |
| Systematic Name | Stannous Sulfate; Sulfuric Acid, Tin(2+) Salt |
| Synonyms | Tin Sulfate, Stannous Sulfate, Stannous(II) Sulfate, Tin(II) Sulfate, Stannaic Sulphate, Sulfate Stanneux |
| CAS Number | 7488-55-3 |
| EC Number (EINECS) | 231-302-2 |
| Molecular Formula | SnSO₄ |
| Molecular Weight | 214.78 g/mol |
| Chemical Class | Inorganic metal sulfate salt (tin salt) |
| Natural Occurrence | Found as cassiterite mineral (as tin dioxide, SnO₂) |
| Physical State (20°C) | Solid (white to off-white dry powder); low concentration products may be liquid solution |
| Odor | Odorless |
| Taste | Metallic, astringent (not for consumption) |
SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES
| Property | Value | Test Method |
|---|---|---|
| Appearance | White to off-white dry powder | Visual |
| Odor | Odorless | Olfactometric |
| Molecular Weight | 214.78 g/mol | Calculated |
| Melting Point | 360°C (decomposes) | DSC |
| Density (25°C) | 4.15 g/cm³ | ASTM D4052 |
| Solubility in Water | Soluble (~330 g/L at 25°C) | Gravimetric |
| Solubility in Organic Solvents | Insoluble | General Method |
| pH (Aqueous Solution) | Acidic (~2.0 – 3.5) | pH Meter |
| Stability | Stable under normal conditions; incompatible with strong oxidizing agents | |
| Hygroscopicity | Moderate | |
| Flash Point | Non-flammable | Not applicable |
SECTION 3: CHEMICAL PROPERTIES AND REACTIVITY
| Parameter | Information |
|---|---|
| Chemical Character | Inorganic tin(II) salt; reducing agent; source of Sn²⁺ ions |
| Stability | Stable under normal conditions |
| Oxidation | Sn²⁺ easily oxidizes to Sn⁴⁺ in presence of oxidizing agents or atmospheric oxygen (in solution) |
| Hydrolysis | Hydrolyzes in water forming basic tin sulfate and sulfuric acid; solutions are acidic |
| Incompatible Materials | Strong oxidizing agents (hydrogen peroxide, nitric acid, chlorine), strong bases |
| Reaction with Oxidizing Agents | Sn²⁺ → Sn⁴⁺ + 2e⁻ (oxidation) |
| Decomposition Products (Heating) | >360°C: SO₂, SO₃, SnO₂ |
| Hazardous Polymerization | Does not occur |
SECTION 4: TIN COMPOUNDS COMPARISON
| Property | Tin(II) Sulfate (SnSO₄) | Tin(II) Chloride (SnCl₂) | Tin(II) Pyrophosphate (Sn₂P₂O₇) | Tin(IV) Oxide (SnO₂) |
|---|---|---|---|---|
| CAS Number | 7488-55-3 | 7772-99-8 | 15578-26-4 | 18282-10-5 |
| Formula | SnSO₄ | SnCl₂ | Sn₂P₂O₇ | SnO₂ |
| Tin Oxidation State | +2 | +2 | +2 | +4 |
| Solubility in Water | ~330 g/L | ~270 g/L | Insoluble | Insoluble |
| Primary Use | Electroplating, anodizing, pigments | Reducing agent, electroplating | Ceramics, phosphors | Glass, ceramics, polishing |
| Reducing Property | Yes (Sn²⁺ → Sn⁴⁺) | Yes (Strong) | Yes | No (Sn⁴⁺ is stable) |
SECTION 5: FUNCTIONAL PROPERTIES AND MECHANISM OF ACTION
| Property | Description |
|---|---|
| Sn²⁺ Ion Source | Provides stannous (Sn²⁺) ions for electroplating and surface treatment applications |
| Reducing Agent | Sn²⁺ acts as reducing agent; used in AAS for determination of cobalt, nickel, and mercury |
| Electrolyte Additive | Enhances performance of lead-acid batteries by improving electrode characteristics |
| Anodizing Colorant | Provides coloring in anodizing processes for aluminum profile metals |
| Cement Retarder | Delays setting time of blended cement when mixed with gypsum; improves mortar and concrete quality |
| Corrosion Protection | Used in production of corrosion-resistant metallic pigments, often with silicon dioxide |
| Intermediate | Used in production of other tin compounds |
SECTION 6: PRIMARY APPLICATION AREAS
| Sector / Application | Function | Typical Concentration / Usage |
|---|---|---|
| Construction - Aluminum Anodizing | Coloring aluminum profiles in anodizing processes | 5 – 20 g/L in anodizing bath |
| Construction - Cement & Concrete | Setting retarder (with gypsum); improves quality | 0.1 – 0.5% of cement weight |
| Electroplating | Tin plating (electroplating) | 10 – 50 g/L SnSO₄ in plating bath |
| Analytical Chemistry (AAS) | Reducing agent for Co, Ni, Hg determination | Reagent solution |
| Steel Production | Used during single-draw steel processing | Process dependent |
| Battery Manufacturing | Electrolyte additive in lead-acid batteries | 0.5 – 2.0% in electrolyte |
| Pigment Production | Corrosion-resistant metallic pigments (with SiO₂) | Formulation dependent |
| Chemical Industry | Production of other tin compounds | Intermediate |
SECTION 7: QUALITY SPECIFICATIONS (TECHNICAL GRADE)
| Parameter | Specification | Test Method |
|---|---|---|
| Appearance | White to off-white powder | Visual |
| Purity (SnSO₄) | ≥ 98.0% | Titrimetric / AAS |
| Tin Content (Sn²⁺) | ≥ 54.0% | AAS / ICP-OES |
| Chloride (Cl⁻) | ≤ 0.05% | Argentometric |
| Iron (Fe) | ≤ 100 ppm | AAS |
| Lead (Pb) | ≤ 50 ppm | ICP-MS |
| Arsenic (As) | ≤ 10 ppm | ICP-MS |
| Heavy Metals (as Pb) | ≤ 100 ppm | ICP-MS |
| Loss on Drying (105°C) | ≤ 1.0% | Gravimetric |
| pH (5% Solution) | 2.0 – 3.5 | pH Meter |
SECTION 8: TOXICOLOGICAL PROFILE
| Parameter | Value |
|---|---|
| Acute Oral Toxicity (LD50, Rat) | ~2,200 mg/kg (harmful) |
| Skin Irritation | Irritant |
| Eye Irritation | Irritant |
| Respiratory Irritation | Inhalation of dust may cause respiratory irritation |
| Carcinogenicity | Not classified |
| Mutagenicity | Limited data |
| Environmental Toxicity | Toxic to aquatic organisms |
| Human Skin Presence | Trace amounts of tin(II) sulfate found on most human skin |
SECTION 9: GHS CLASSIFICATION AND LABELING
GHS Classification (compliant with 1272/2008/EC):
| Hazard Class | Category | H-Statement |
|---|---|---|
| Acute Toxicity (Oral) | Category 4 | H302 |
| Skin Irritation | Category 2 | H315 |
| Serious Eye Damage/Irritation | Category 2 | H319 |
| STOT - SE | Category 3 | H335 |
| Aquatic Toxicity (Acute) | Category 1 | H400 |
Signal Word: WARNING
Hazard Pictograms: GHS07 (Exclamation Mark), GHS09 (Environmental Toxicity)
Hazard Statements (H-Codes):
| Code | Statement |
|---|---|
| H302 | Harmful if swallowed |
| H315 | Causes skin irritation |
| H319 | Causes serious eye irritation |
| H335 | May cause respiratory irritation |
| H400 | Very toxic to aquatic life |
SECTION 10: PRECAUTIONARY STATEMENTS (P-CODES)
| Code | Statement |
|---|---|
| P261 | Avoid breathing dust |
| P273 | Avoid release to the environment |
| P280 | Wear protective gloves/eye protection |
| P301+P312 | IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell |
| P302+P352 | IF ON SKIN: Wash with plenty of water and soap |
| P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present |
| P501 | Dispose of contents/container to approved hazardous waste facility |
SECTION 11: FIRST AID MEASURES
| Exposure Route | Action to Take |
|---|---|
| Inhalation | Move to fresh air. Seek medical attention if respiratory irritation persists. |
| Skin Contact | Wash with plenty of water and soap for at least 15 minutes. Remove contaminated clothing. |
| Eye Contact | Rinse immediately with plenty of water for at least 15 minutes. Remove contact lenses if present. Seek medical attention. |
| Ingestion | Rinse mouth with water. Do NOT induce vomiting. Drink plenty of water. Seek medical attention. |
SECTION 12: FIREFIGHTING MEASURES
| Parameter | Information |
|---|---|
| Fire Hazard | Non-flammable |
| Hazards During Fire | Decomposes releasing SO₂, SO₃, toxic fumes |
| Suitable Extinguishing Media | Any extinguishing media appropriate for surrounding fire |
| Special Protective Equipment | Self-contained breathing apparatus (SCBA), full protective clothing |
| Special Precautions | Prevent firefighting water from entering environment (aquatic toxicity) |
SECTION 13: STORAGE AND SHELF LIFE
| Parameter | Information |
|---|---|
| Storage Conditions | Cool (15-25°C), dry, well-ventilated area; protect from moisture |
| Container Requirements | Tightly closed, moisture-proof containers |
| Keep Away From | Strong oxidizing agents, strong bases, moisture |
| Shelf Life | 24 months (unopened original packaging under appropriate storage conditions) |
| Stability Note | Stable under normal conditions; protect from moisture and oxidizing agents |
SECTION 14: PACKAGING OPTIONS
| Packaging Type | Quantity | Material |
|---|---|---|
| Kraft bag with PE inner liner | 25 kg | Kraft paper + PE |
| PP woven bag with PE inner liner | 25 kg | PP woven + PE |
| Fiber drum | 25-50 kg | Fiberboard + PE |
SECTION 15: TRANSPORTATION INFORMATION
| Parameter | Information |
|---|---|
| UN Number | UN 3077 (Environmentally Hazardous Substance, Solid, n.o.s.) |
| Hazard Class | 9 (Environmentally Hazardous Substances) |
| Packing Group | III |
| ADR/RID | UN 3077, Environmentally Hazardous Substance, 9, PG III |
| IMDG Code | UN 3077, Environmentally Hazardous Substance, 9, PG III |
| IATA (Air) | UN 3077, Environmentally Hazardous Substance, 9, PG III |
| Marine Pollutant | Yes |
| Transport Temperature | Ambient; protect from moisture |
SECTION 16: REGULATORY STATUS
| Region / Authority | Status |
|---|---|
| European Union | REACH registered; industrial chemical |
| USA (TSCA) | Listed |
| Turkey | Industrial chemical; subject to chemical registration regulations |
| Environmental | Toxic to aquatic organisms; prevent release to environment |
SECTION 17: OTHER NAMES AND SYNONYMS
| Type | Name |
|---|---|
| Common Names | Tin(II) Sulfate, Stannous Sulfate, Tin Sulfate, Stannous(II) Sulfate |
| Chemical Names | Sulfuric Acid, Tin(2+) Salt; Stannous Sulfate |
| Other Language Names | Kalay Sülfat, Sulfate Stanneux, Stannaic Sulphate |
| CAS Number | 7488-55-3 |
| EC Number | 231-302-2 |
SECTION 18: TIN SALT COMPARISON TABLE
| Property | Tin(II) Sulfate (SnSO₄) | Tin(II) Chloride (SnCl₂) | Tin(II) Oxide (SnO) |
|---|---|---|---|
| CAS Number | 7488-55-3 | 7772-99-8 | 21651-19-4 |
| Formula | SnSO₄ | SnCl₂ | SnO |
| Tin Content | ~55.3% | ~62.6% | ~88.1% |
| Solubility in Water | ~330 g/L | ~270 g/L | Insoluble |
| Primary Use | Electroplating, anodizing, cement | Reducing agent, electroplating | Glass, ceramics, catalyst |
SECTION 19: SUMMARY TABLE
| Parameter | Value |
|---|---|
| Product | Tin(II) Sulfate (Stannous Sulfate) |
| CAS Number | 7488-55-3 |
| Molecular Formula | SnSO₄ |
| Molecular Weight | 214.78 g/mol |
| Appearance | White to off-white dry powder |
| Melting Point | 360°C |
| Solubility in Water | ~330 g/L |
| Primary Function | Sn²⁺ ion source; electroplating, anodizing colorant, reducing agent |
| Shelf Life | 24 months |
| GHS Signal Word | Warning |
| UN Number | UN 3077 (Environmentally Hazardous, 9, PG III) |
SECTION 20: CRITICAL WARNINGS AND BEST PRACTICES
CRITICAL WARNINGS:
-
Aquatic Toxicity: Very toxic to aquatic life (H400); prevent release to water sources and environment.
-
Oxidation Sensitivity: Sn²⁺ easily oxidizes to Sn⁴⁺; solutions should be prepared fresh and protected from air exposure.
-
Acidic Solutions: Aqueous solutions are acidic (pH 2.0-3.5) due to hydrolysis; handle with appropriate corrosion-resistant equipment.
-
Incompatible with Oxidizers: Keep away from strong oxidizing agents (nitric acid, hydrogen peroxide, chlorine) to prevent vigorous reaction.
-
Dust Control: Fine powder may cause respiratory and eye irritation; use appropriate PPE.
BEST PRACTICE RECOMMENDATIONS:
-
Anodizing: Use at 5-20 g/L in anodizing baths for coloring aluminum profiles.
-
Electroplating: Use at 10-50 g/L SnSO₄ in tin plating baths; maintain acidic pH to prevent hydrolysis.
-
Cement Retarder: Use at 0.1-0.5% of cement weight with gypsum to delay setting time and improve concrete quality.
-
Analytical Chemistry: Use as reducing agent in AAS for determination of cobalt, nickel, and mercury.
-
Storage: Store in tightly closed containers in a cool, dry environment; protect from moisture and oxidizing agents.
LEGAL DISCLAIMER:
The information provided in this document is presented in good faith based on our current knowledge and experience; however, since all usage conditions are beyond our control, it does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are obligated to test the suitability for their own applications. For complete safety, storage, handling, transportation, disposal, and regulatory compliance information, refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.
