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Back to ChemicalBook Home--->CAS DataBase List--->7631-86-9

7631-86-9

7631-86-9 Structure

7631-86-9 Structure
IdentificationMore
【Name】

Silicon dioxide
【CAS】

7631-86-9
【Synonyms】

LICHROSPHER(R) 60
LICHROSPHER(R) SI 60
NEO BLUE,1-2MM
NEO BLUE,2-4MM
NEO BLUE,3-5MM
RONASPHERE
SILICA GEL 60 F254
SILICA GEL 60 RP18
SILICA GEL BLUE
SILICA GEL G6F
SUPERSPHER(R) 60
SUPERSPHER(R) SI 60
amorphous
amorphoussilica(silicondioxide)
amorphoussilicondioxide
Dioxosilane
quartzpowder
silica,amorphous
silica,precipitated
silicondioxide(silicaaerogel,amorphous)
【EINECS(EC#)】

231-545-4
【Molecular Formula】

O2Si
【MDL Number】

MFCD00148343
【Molecular Weight】

60.08
【MOL File】

7631-86-9.mol
Chemical PropertiesBack Directory
【Appearance】

white crystals or powder
【mp 】

>1600 °C(lit.)
【bp 】

>100 °C(lit.)
【density 】

2.2-2.6 g/mL at 25 °C
【refractive index 】

1.46
【Fp 】

2230°C
【storage temp. 】

Refrigerator (+4°C)
【form 】

suspension
【Stability:】

Stable.
【Water Solubility 】

insoluble
【Merck 】

14,8493
【CAS DataBase Reference】

7631-86-9(CAS DataBase Reference)
【NIST Chemistry Reference】

Silicon(iv) oxide(7631-86-9)
【EPA Substance Registry System】

7631-86-9(EPA Substance)
Safety DataBack Directory
【Hazard Codes 】

Xn,Xi
【Risk Statements 】

R36/37/38:Irritating to eyes, respiratory system and skin .
R36/37:Irritating to eyes and respiratory system .
R22:Harmful if swallowed.
【Safety Statements 】

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
【WGK Germany 】

1
【RTECS 】

VV7310000
【TSCA 】

Yes
【HS Code 】

28112200
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Sodium carbonate-->CARBON DIOXIDE-->Silica gel-->Sodium silicate -->Tetrachlorosilane-->Cyclone separator-->SILICA-->Silica sand
【Preparation Products】

Silicon carbide-->CALCIUM PHOSPHATE, DIBASIC-->1-(2,5-DIMETHYL-2H-PYRAZOL-3-YL)-ETHANONE-->2-Aminopyridin-4-ol-->5-(AMINOMETHYL)PYRIDIN-2-AMINE-->3-Aminobenzylmethylamine-->3-Nitroisonicotinic acid-->6-Chloro-2-tetralone-->Dansyl chloride-->2-TRIFLUOROMETHYLQUINOLINE-7-CARBOXYLIC ACID-->SILICON NITRIDE-->2-Amino-5-cyanopyridine-->Oxtocin-->Silicon monoxide-->special adhesive 90E for ceramics-->adhesive RTP-801
Material Safety Data Sheet(MSDS)Back Directory
【msds information】

Silica(7631-86-9).msds
Well-known Reagent Company Product InformationBack Directory
【Acros Organics】

Silicagel, for drying purposes, 3-6 mm, pore diam. ca. 9 nm(7631-86-9)
【Alfa Aesar】

Silicon(IV) oxide, spherical(7631-86-9)
【Sigma Aldrich】

7631-86-9(sigmaaldrich)
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