Disodium;dioxido(oxo)silane

Na2O3Si

disodium;dioxido(oxo)silane

CAS6834-92-0
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
Danger

Consulting for Disodium;dioxido(oxo)silane

Our experts support you with application, dosage, and compliance.

Request Consultation

Identification

CAS Number
6834-92-0
EC Number
229-912-9
UN Number
3253
Index Number
014-010-00-8
PubChem CID
23266

Physical-chemical properties

Molecular Formula
Na2O3Si
Molar Mass
122.06 g/mol
IUPAC Name
disodium;dioxido(oxo)silane

Chemical Identifiers

InChI
InChI=1S/2Na.O3Si/c;;1-4(2)3/q2*+1;-2
InChI Key
NTHWMYGWWRZVTN-UHFFFAOYSA-N

Overview

Disodium dioxido(oxo)silane (CAS 6834-92-0) is an inorganic sodium silicate compound with strong alkaline properties and corrosive characteristics. This sodium silicate derivative, also known by its IUPAC designation disodium dioxido(oxo)silane, represents a significant chemical intermediate in various industrial processes. With the molecular formula Na2O3Si and a molecular weight of 122.063 g/mol, this compound exhibits the typical behavior of alkali metal silicates, forming highly alkaline solutions when dissolved in water. The substance's classification under STOT SE 3 and Skin Corr. 1B hazard classes, along with its ADR Class 8 designation, reflects its corrosive nature and potential for causing specific target organ toxicity. The compound's safety profile requires careful handling protocols due to its corrosive properties, as indicated by the GHS05 and GHS07 pictograms and "Danger" signal word. Unlike other corrosive compounds such as hydrogen chloride, disodium dioxido(oxo)silane primarily poses risks through direct contact and alkaline burns rather than acid-related damage. Proper personal protective equipment and ventilation systems are essential when working with this material. Industrial applications of disodium dioxido(oxo)silane include its use as a binding agent in refractory materials, where its high-temperature stability proves valuable. The compound also serves as an intermediate in the production of specialized glass formulations and as a component in certain ceramic manufacturing processes. Additionally, it finds application in water treatment systems where its alkaline properties help adjust pH levels and facilitate precipitation reactions. OYSI maintains reliable supply chains for disodium dioxido(oxo)silane, ensuring consistent availability for European industrial customers requiring this specialized sodium silicate compound.

Safety & Classification

Danger
Classification:

STOT SE 3; Skin Corr. 1B

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H335

May cause respiratory irritation.

H314

Causes severe skin burns and eye damage.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Irritant

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3253
ADR Class8
Packing GroupIII
Tunnel CodeE
Proper Shipping NameDinatriumtrioxosilicat, wasserfrei
Marine PollutantNo

Frequently Asked Questions

What is disodium;dioxido(oxo)silane?

Disodium;dioxido(oxo)silane is an inorganic sodium silicate compound with the molecular formula Na2O3Si and CAS number 6834-92-0. This chemical substance has a molecular weight of 122.063 g/mol and belongs to the family of alkali metal silicates. It is classified as a corrosive substance with specific target organ toxicity, requiring careful handling due to its hazardous properties. The compound is commonly used in various industrial applications where silicate chemistry is required.

What are the physicochemical properties of disodium;dioxido(oxo)silane?

Disodium;dioxido(oxo)silane is a solid inorganic compound at room temperature with high water solubility typical of sodium silicates. The substance exhibits alkaline properties when dissolved in water, contributing to its corrosive nature. Its molecular structure consists of silicon-oxygen bonds with sodium counterions, giving it characteristic silicate properties. The compound's physical appearance and specific properties like melting point and density depend on its hydration state and crystalline form.

What is disodium;dioxido(oxo)silane used for?

Disodium;dioxido(oxo)silane is used primarily in industrial applications requiring silicate chemistry, including as a binding agent, pH buffer, and intermediate in chemical synthesis. It serves as a raw material in the production of other silicate compounds and can function as a corrosion inhibitor in certain formulations. The compound finds applications in water treatment processes, ceramic manufacturing, and as a component in specialized cleaning formulations where its alkaline and silicate properties are beneficial.

How to handle disodium;dioxido(oxo)silane safely?

Disodium;dioxido(oxo)silane must be handled with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its Skin Corr. 1B classification. Work in well-ventilated areas or use local exhaust ventilation to prevent inhalation exposure, as it carries STOT SE 3 hazard classification. Avoid direct skin and eye contact, and ensure emergency shower and eyewash stations are readily accessible. Always follow MSDS guidelines and company safety procedures when handling this corrosive material.

How to store disodium;dioxido(oxo)silane correctly?

Disodium;dioxido(oxo)silane should be stored in a cool, dry place away from moisture to prevent degradation and maintain product integrity. Keep containers tightly sealed and store in corrosion-resistant containers due to its corrosive nature. Separate from incompatible materials such as acids and ensure adequate ventilation in storage areas. Store in designated chemical storage areas with appropriate secondary containment measures. Regular inspection of container integrity is recommended to prevent leaks and ensure safe storage conditions.

What to do in case of contact with disodium;dioxido(oxo)silane?

Skin contact with disodium;dioxido(oxo)silane requires immediate removal of contaminated clothing and thorough rinsing with plenty of water for at least 15 minutes due to its corrosive properties. For eye contact, flush immediately with clean water for at least 15 minutes while holding eyelids open. If inhaled, move to fresh air immediately and seek medical attention if respiratory irritation occurs. Do not induce vomiting if ingested; rinse mouth and seek immediate medical attention. Always consult a physician after significant exposure.

How to dispose of disodium;dioxido(oxo)silane appropriately?

Disodium;dioxido(oxo)silane disposal must comply with local and national waste regulations as it is classified as hazardous waste due to its corrosive properties. Contact licensed waste disposal companies specializing in inorganic chemical waste for proper treatment and disposal. Never dispose of this substance down drains or in regular trash. Neutralization may be possible under controlled conditions by qualified personnel, but professional waste management is recommended. Always check current REACH and local environmental regulations before disposal.

How to transport disodium;dioxido(oxo)silane?

Disodium;dioxido(oxo)silane is classified as ADR Class 8 (corrosive substances) Packing Group III for transportation purposes. This classification requires appropriate hazardous material packaging, labeling with corrosive symbols, and proper shipping documentation. Vehicles must carry appropriate emergency equipment and drivers need ADR certification for transporting corrosive materials. Packages must be properly secured to prevent damage during transit, and emergency response information must accompany shipments according to dangerous goods transport regulations.

Is disodium;dioxido(oxo)silane subject to specific regulations?

Disodium;dioxido(oxo)silane is subject to REACH regulation requiring registration for manufacturing or importing above threshold quantities in the EU. The substance falls under CLP regulation with mandatory hazard classification as STOT SE 3 and Skin Corr. 1B, requiring appropriate labeling with GHS05 and GHS07 pictograms. It is not currently listed as an SVHC (Substance of Very High Concern). Companies must maintain safety data sheets and ensure downstream user communication of hazard information according to European chemical safety legislation.

Where to buy disodium;dioxido(oxo)silane in Europe?

Disodium;dioxido(oxo)silane is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. OYSI provides professional-grade chemical supplies with proper documentation, safety data sheets, and regulatory compliance support. As an established chemical distributor, OYSI ensures product quality and reliable supply chains for industrial applications. Contact OYSI directly for specific grades, packaging options, and delivery arrangements tailored to your industrial requirements throughout the European market.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.