Sodium Silicofluoride
- CAS Number
- 16893-85-9
- HSN Code
- 28269000
- Molecular Formula
- Na2SiF6
- Catalogue Number
- AL4267
- Purity
- ≥ 99%
- Molecular Weight
- 188.06 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium silicofluoride, with the chemical formula Na2SiF6, is a soluble fluorosilicate salt that serves multiple purposes in various industries. This compound is notable for its high purity of 99%, making it suitable for applications requiring precise chemical properties. It is primarily used as a reference compound in analytical chemistry and as a water-fluoridation agent to help prevent dental cavities. Additionally, sodium silicofluoride is utilized in the production of glass and ceramics, where it acts as an opacifying agent, enhancing the aesthetic qualities of these materials.
Also known as Fluorosilicic acid sodium salt.
- Catalogue No.
- AL4267
- CAS Number
- 16893-85-9
- Molecular Formula
- Na2SiF6
- Molecular Weight
- 188.06 g/mol
- HSN Code
- 28269000
- Grade
- 99%
- Product Form
- Substance
Density: 2.7 g/cu cm; Solubility: Insoluble in ethanol.
- Appearance
- White, hexagonal crystals
- Shelf Life
- -
- Packaging
- Available in: 500 gm plastic bottle, 5 Kg plastic bottle
- Storage
- Separated from acids and food and feedstuffs.
1.1 — Product identifier
- Chemical Name
- Sodium Silicofluoride
- Catalogue No.
- AL4267
- Product form
- Substance
- CAS Number
- 16893-85-9
- EC Number
- 240-934-8
- Grade
- 99%
- EC Index Number
- 009-007-00-4
- Chemical Formula
- Na2SiF6
- HSN Code
- 28269000
- Synonyms
- Fluorosilicic acid sodium salt
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a fluoride-ion source and in glass/ceramics research.
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 3
- Classification source
- ECHA C&L Inventory via PubChem CID 28127 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Acute Toxic
- Signal word
- Danger
- Hazard statements
- H301: Toxic if swallowed; H311: Toxic in contact with skin; H331: Toxic if inhaled
- Precautionary statements
- P261, P262, P264, P270, P271, P280, P301+P316, P302+P352, P304+P340, P316, P321, P330, P361+P364, P403+P233, P405, P501
2.3 — Other hazards
- Other hazards
- Toxic if ingested; may cause irritation to skin and eyes.
3.1 — Substance
- Name
- Sodium Silicofluoride
- CAS No.
- 16893-85-9
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash with soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include irritation of the respiratory tract, skin, and eyes, as well as gastrointestinal distress if ingested.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Non-flammable; however, may emit toxic fumes in a fire.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Contain spill and prevent entry into waterways. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with gloves and avoid contact with skin and eyes. Use in a well-ventilated area.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Separated from acids and food and feedstuffs.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- 6.5 (in saturated solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 200 °C
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.7 g/cu cm.
- Solubility
- Insoluble in ethanol.
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not applicable
- Oxidising properties
- Not applicable
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; reacts with strong acids.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating. This produces toxic and corrosive fumes including fluorine. Reacts with acids.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits toxic fumes of hydrogen fluoride and Na2O.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 125 mg/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- 2674
- UN-No. (IMDG)
- 2674
- UN-No. (IATA)
- 2674
- UN-No. (ADN)
- 2674
- UN-No. (RID)
- 2674
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sodium Silicofluoride
- Proper Shipping Name (IMDG)
- Sodium Silicofluoride
- Proper Shipping Name (IATA)
- Sodium Silicofluoride
- Proper Shipping Name (ADN)
- Sodium Silicofluoride
- Proper Shipping Name (RID)
- Sodium Silicofluoride
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Sodium silicofluoride is widely used in the field of water treatment, particularly as a fluoride-ion source in water fluoridation processes aimed at reducing dental caries in populations. In addition to its role in public health, it is also employed in the glass and ceramics industries as an opacifying agent, which helps to improve the visual properties of glass products. Furthermore, it is utilized in analytical laboratories as a reference compound for various chemical analyses, particularly in studies involving fluoride ions. Its applications extend to the production of certain types of fertilizers and in the manufacturing of certain chemical products.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01419
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 188.06 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 1% | 0.5% |
| Related Substances | None detected | None detected |
| Solubility | 0.5 g/L in water at 20 °C | 0.5 g/L in water at 20 °C |
The above product is expected to comply with 99% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% | ≥ 99% | 200 °C | ≤ 0.5% | ≤ 1% | None detected | Insoluble in ethanol. |
Related Products
View AllWhy buy from Alpha Chemika
What Our Scientific & Industrial Customers Say
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
FAQs
Common Questions About Laboratory Chemicals & Solutions
Find answers to common questions about laboratory chemicals, product selection, documentation, ordering, and technical support. Whether you are sourcing chemicals for research, testing, education, manufacturing, or industrial applications, these FAQs can help you make informed purchasing decisions.
Alpha Chemika offers a wide range of laboratory chemicals, reagents, solvents, and specialty products for research, testing, educational, pharmaceutical, and industrial applications.
Product selection depends on factors such as application, required purity, grade, specifications, and intended use. Our team can help you identify suitable products based on your technical requirements.
Yes. Relevant product information and technical documentation can be provided to help you evaluate products for quality, handling, compliance, and application requirements.
Yes. You can share your product list, required quantities, specifications, and delivery requirements with our team for a tailored quotation.
Yes. We support requirements from research laboratories, educational institutions, pharmaceutical companies, manufacturers, distributors, and other scientific and industrial organizations.
Connect with Us for Your Requirements
Have a specific product requirement or need help finding the right chemical for your application? Share your requirements with our team, and we will help you identify suitable products, specifications, quantities, and procurement options.
