Colloidal Silica (Silicon Dioxide) | CAS 7631-86-9

Element: colloidal dioxide silicon silica

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C-S » Chemicals » colloidal-silica-silicon-dioxide-PX2520538

Identification

Colloidal Silica (Silicon Dioxide)

CAS:

7631-86-9

EINECS:

231-545-4

Molecular Formula:

SiO₂

MDL:

MFCD00011232

Synonym:

amorphous silica ; silica (sio2) ; silica slurry ; neosyl ; white carbon ; ronasphere ; silicon dioxide (amorphous) ; silica, amorphous, fumed ; silica ; quartzpowder ; syton? ht-50 ; silicon dioxide, chemically prepared ; dioxosilane ; zeolite Î¸-1 ; amorphous ; neoblue

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Prices & Availability

Data is processed

Properties for Colloidal Silica (Silicon Dioxide)

Molecular Weight:

60.09 g·mol−1

Density:

2.2-2.6 g/mL at 25 °C

Melting point:

>1600 °C(lit.)

Boiling point:

>100 °C(lit.)

Flash point:

2230 °C

Solubility:

insoluble in water

Physical Description:

white crystals or powder

Hazard Statements

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:

R22 - Harmful if swallowed
R36/37 - Irritating to eyes and respiratory system
R36/37/38 - Irritating to eyes, respiratory system and skin
R36/38 - Irritating to eyes and skin
R43 - May cause sensitisation by skin contact
R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S36/37 - Wear suitable protective clothing and gloves
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S37/39 - Wear suitable gloves and eye/face protection
S61 - Avoid release to the environment. Refer to special instructions/safety data sheet

Hazard Symbols:

Xn, Xi

Storage temperature :

Refrigerator (+4 °C)

Alternative Distributors of [Colloidal Silica (Silicon Dioxide)]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

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