Silicon Dioxide 7631 - 86 - 9

Silicon Dioxide 7631 - 86 - 9

Sorbitol, also known as sorbitol. It is usually a white hygroscopic powder or crystalline powder, flake, particle, and also has a colorless transparent viscous liquid form. It is a widely used chemical raw material, which can be used as sweetener, moisturizer, excipient, preservative and so on in food, daily chemical, pharmaceutical and other industries. At the same time, sorbitol has the nutritional advantages of polyols, such as low caloric value, low sugar, anti-caries and so on.
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product description

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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