Silicon Dioxide 7631 - 86 - 9

Silicon Dioxide 7631 - 86 - 9

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Product Specifications

Chemical Name: Silicon Dioxide

CAS No.:7631 - 86 - 9

Product Categories:Inorganic chemistry

Appearance:white power

Type Of Transportation:By Air/By Sea

Sample:Available

Properties Of Silicon Dioxide 7631 - 86 - 9

Melting point

>1600 °C(lit.)

Boiling point

>100 °C(lit.)

bulk density

200-800kg/m3

density

2.2-2.6 g/mL at 25 °C

vapor pressure

13.3hPa at 1732℃

refractive index

1.46

Fp

2230°C

storage temp.

2-8°C

solubility

Practically insoluble in water and in mineral acids except hydrofluoric acid. It dissolves in hot solutions of alkali hydroxides.

pka

6.65-9.8[at 20 ℃]

form

suspension

Specific Gravity

2.2

color

White to yellow

PH

5-8 (100g/l, H2O, 20℃)(slurry)

Odor

at 100.00?%. odorless

Resistivity

1∞10*20 (ρ/μΩ.cm)

Water Solubility

insoluble

Sensitive

Hygroscopic

Hydrolytic Sensitivity

6: forms irreversible hydrate

Crystal Structure

Trigonal

Merck

14,8493

Exposure limits

NIOSH: IDLH 3000 mg/m3; TWA 6 mg/m3

Stability:

Stable.

CAS DataBase Reference

7631-86-9(CAS DataBase Reference)

IARC

3 (Vol. Sup 7, 68) 1997

NIST Chemistry Reference

Silicon(iv) oxide(7631-86-9)

EPA Substance Registry System

Silica (7631-86-9)


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We respond to inquiries within 24 hours, providing professional quotation options such as FOB, CIF, and CFR.

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We can arrange sample shipments and third-party inspections (e.g., SGS, BV), while strictly monitoring packaging and production progress.

Hazardous Cargo Booking: Professional and Efficient

We specialize in the export of Class 3, 5, 8, and 9 hazardous materials, securing cargo space in advance to ensure compliant shipments.

Accurate Documentation, Hassle-Free Customs Clearance

Proficient in handling documents such as Certificates of Origin (CO), Form E, Hazardous Packaging Certificates, and MSDS, ensuring smooth customs clearance at the destination port.

End-to-End Logistics Tracking, Secure Delivery

From factory to port, and from container loading to vessel departure, we provide real-time monitoring to ensure the safe arrival of your cargo.

Closed-Loop After-Sales Support, Long-Term Partnership

We assist in resolving quality issues and handling claims, regularly share market insights, and grow together with our clients.

Rapid Response, Precise Quotations Quality First, End-to-End Control Hazardous Cargo Booking: Professional and Efficient Accurate Documentation, Hassle-Free Customs Clearance End-to-End Logistics Tracking, Secure Delivery Closed-Loop After-Sales Support, Long-Term Partnership
Rapid Response, Precise Quotations

Rapid Response, Precise Quotations

We respond to inquiries within 24 hours, providing professional quotation options such as FOB, CIF, and CFR.

Quality First, End-to-End Control

Quality First, End-to-End Control

We can arrange sample shipments and third-party inspections (e.g., SGS, BV), while strictly monitoring packaging and production progress.

Hazardous Cargo Booking: Professional and Efficient

Hazardous Cargo Booking: Professional and Efficient

We specialize in the export of Class 3, 5, 8, and 9 hazardous materials, securing cargo space in advance to ensure compliant shipments.

Accurate Documentation, Hassle-Free Customs Clearance

Accurate Documentation, Hassle-Free Customs Clearance

Proficient in handling documents such as Certificates of Origin (CO), Form E, Hazardous Packaging Certificates, and MSDS, ensuring smooth customs clearance at the destination port.

End-to-End Logistics Tracking, Secure Delivery

End-to-End Logistics Tracking, Secure Delivery

From factory to port, and from container loading to vessel departure, we provide real-time monitoring to ensure the safe arrival of your cargo.

Closed-Loop After-Sales Support, Long-Term Partnership

Closed-Loop After-Sales Support, Long-Term Partnership

We assist in resolving quality issues and handling claims, regularly share market insights, and grow together with our clients.

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