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Merck
CN

00653

Silicon dioxide

purum p.a., powder

Synonym(s):

Cristobalite, Quartz, Sand, Silica

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About This Item

Linear Formula:
SiO2
CAS Number:
Molecular Weight:
60.08
UNSPSC Code:
12352200
PubChem Substance ID:
EC Number:
238-878-4
MDL number:
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grade

purum p.a.

form

powder

loss

≤0.3% loss on ignition, 900 °C

refractive index

n20/D 1.544 (lit.)

particle size

>230 mesh

mp

1610 °C (lit.)

density

2.6 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

Ca: ≤200 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤200 mg/kg, K: ≤500 mg/kg, Na: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N



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Global Trade Item Number

SKUGTIN
259950-5ML04061826075883
259950-250ML04061837886362
801804100004022536370446
801804903004022536370453
V800078-6X500ML04061837553127
V800078-500ML04061837553110
B12695-1L04061837549441
B12695-4L04061833421673
B12695-25ML04061837549465
259950-1L04061826075876
259950-100ML04061837886355
259950-4X100ML04061837886379
801804906804027269985325
801804010004022536370439
B12695-1L-CB04061837549458
B12695-2.5L04061833421666