Silica (CAS 7631-86-9) Sigma-Aldrich

Silica molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 192 grades and pack sizes of Silica (CAS 7631-86-9). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	7631-86-9
Molecular formula	O2Si
Molecular weight	60.08 g/mol
IUPAC name	dioxosilane
Synonyms	SILICON DIOXIDE · Dioxosilane · Silicic anhydride · Diatomaceous silica · Wessalon · Zorbax sil

Catalog codes and grades

Brand	Product / grade	Code
Sigma	AW STANDARD SUPER-CEL(R) NF	221791-1KG 221791-250G	Request Quote
Sigma	CELATOM(R), ACID-WASHED, FOR USE IN	C8656-1KG C8656-50G	Request Quote
Sigma	CELITE 503 FILTER AID, TREATED WITH SO	22151-1KG	Request Quote
Sigma	CELITE 545 AW FILTER AID, ACID WASHED	22141-100G-F	Request Quote
Sigma	CELITE 545 FILTER AID, TREATED WITH SO	22140-1KG-F 22140-5KG-F	Request Quote
Sigma	CELITE 545AW-REAGENT GRADE, POUND	20199-U	Request Quote
Sigma	CELPURE(R) P100, MEETS USP/NF TESTING S	526266-250G	Request Quote
Sigma	CELPURE(R) P1000, MEETS USP/NF TESTING	525227-1KG	Request Quote
Sigma	CELPURE(R) P300, MEETS USP/NF TESTING	525243-1KG 525243-250G	Request Quote
Sigma	COLLOIDAL SILICA	421553-1L	Request Quote
Sigma	DIATOMACEOUS EARTH	392545-1KG 392545-5KG	Request Quote
Sigma	DIATOMACEOUS EARTH NON-WASHED POWDER	D5509-1KG D5509-5KG	Request Quote
Sigma	K-411 GLASS MICROSPHERES	NIST2066	Request Quote
Sigma	LUDOX AS-30 COLLOIDAL SILICA, 30 WT. %	420832-1L	Request Quote
Sigma	LUDOX CL-X COLLOIDAL SILICA, 45 WT. %	420891-18L 420891-1L	Request Quote
Sigma	LUDOX HS-40 COLLOIDAL SILICA, 40 WT. %	420816-1L 420816-4L	Request Quote
Sigma	LUDOX LS COLLOIDAL SILICA, 30 WT. %	420808-1L	Request Quote
Sigma	LUDOX TM-40 COLLOIDAL SILICA, 40 WT. %	420786-1L	Request Quote
Sigma	LUDOX# CL COLLOIDAL SILICA, SUSPENSION I	420883-1L	Request Quote
Sigma	LUDOX# HS-30 COLLOIDAL SILICA, 30 WT. %	420824-1L 420824-4L	Request Quote
Sigma	LUDOX# LS COLLOIDAL SILICA, 30 WT. % SUS	420808-4L	Request Quote
Sigma	LUDOX# TMA COLLOIDAL SILICA, 34 WT. % SU	420859-1L 420859-4L	Request Quote
Sigma	LUDOX#-40 COLLOIDAL SILICA, 40 WT. % SUS	420786-4L	Request Quote
Sigma	LUDOX#-50 COLLOIDAL SILICA, 50 WT. % SUS	420778-1L 420778-4L	Request Quote
Sigma	LUDOX#-AS-40 COLLOIDAL SILICA, 40 WT. %	420840-1L 420840-4L	Request Quote
Sigma	LUDOX(R) AM COLLOIDAL SILICA, 30 WT. %	420875-4L	Request Quote
Sigma	LUDOX(R) AM COLLOIDAL SILICA, 30 WT. % S	420875-1L	Request Quote
Sigma	LUDOX(R) SM COLLOIDAL SILICA, 30 WT. %	420794-1L 420794-4L	Request Quote
Sigma	QUARTZ (SAND) WASHED AND CALCINED R. G.	31623-1KG 31623-250G	Request Quote
Sigma	QUARTZ, POWDER, >230 MESH	83340-1KG 83340-5KG	Request Quote
Sigma	QUARTZ, SAND, ACID PURIFIED	84878-1KG 84878-500G	Request Quote
Sigma	SAND FOR SAND SIEVE ANALYSIS	NISTRM8010	Request Quote
Sigma	SAND, 50-70 MESH	274739-1KG 274739-500G 274739-50LB 274739-5KG	Request Quote
Sigma	SAND, ACID PURIFIED, 40-200 MESH	84880-1KG 84880-5KG	Request Quote
Sigma	SEA SAND ACID WASHED	18649-1KG 18649-2.5KG 18649-6X1KG 18649-6X2.5KG	Request Quote
Sigma	SEA SAND ACID WASHED AND CALCINED, R. G.	31624-1KG 31624-2.5KG 31624-500G	Request Quote
Sigma	SILICA	S5631-100G S5631-1KG S5631-500G	Request Quote
Sigma	SILICA GEL	12479-5KG 717177-1KG 717177-25KG 717177-5KG 717185-1KG 717185-25KG 717185-5KG	Request Quote
Sigma	SILICA GEL 40 FOR COLUMN CHROMATOGRAPHY	60736-1KG	Request Quote
Sigma	SILICA GEL 60	89943-1KG-F	Request Quote
Sigma	SILICA GEL 60 ADAMANT ON TLC PLATES, 20X	01870-25EA-F	Request Quote
Sigma	SILICA GEL 60 FOR COLUMN CHROMATOGRAPHY	60738-1KG 60738-5KG 60740-500G 60741-1KG 60741-25KG 60741-5KG 60742-1KG 60742-25KG	Request Quote
Sigma	SILICA GEL 60 FOR PREP. COLUMN CHROMAT.	60752-1KG 60752-5KG	Request Quote
Sigma	SILICA GEL 90 FOR COLUMN CHROMATOGRAPHY	60744-500G 60745-1KG 60746-1KG	Request Quote
Sigma	SILICA GEL C ORANGE GRANULATE 0,2-1 MM	10087-1KG-R 10087-2.5KG-R 10087-500G-R	Request Quote
Sigma	SILICA GEL FIA, 0.071-0.16 MM, ACC. TO	03561-250G	Request Quote
Sigma	SILICA GEL GF(254) FOR TLC WITH CA15%CA	60765-1KG	Request Quote
Sigma	SILICA GEL ORANGE	13767-1KG-R 13767-2.5KG-R 13767-500G-R 13767-6X1KG-R 13767-6X500G-R	Request Quote
Sigma	SILICA GEL SPEHERICAL	80442-100G	Request Quote
Sigma	SILICA GEL SPHERICAL	53698-1KG 78991-100G 80442-1KG	Request Quote
Sigma	SILICA GEL TYPE II	S7500-1KG S7500-5KG	Request Quote
Sigma	SILICA GEL, 130-270 MESH, 60 ANGSTROM	288608-1KG	Request Quote
Sigma	SILICA GEL, 200-400 MESH, 60 ANGSTROM	288594-10KG 288594-1KG 288594-500G	Request Quote
Sigma	SILICA GEL, 200-425 MESH, 60 ANGSTROM	645524-2.5KG 645524-5KG	Request Quote
Sigma	SILICA GEL, 70-230 MESH, 60 ANGSTROM	288624-1KG 288624-250G 288624-5KG	Request Quote
Sigma	SILICA GEL, DAVISIL(R), GRADE 710, 50-7	236756-100G	Request Quote
Sigma	SILICA GEL, DAVISIL, GRADE 633, PORE SIZ	236772-100G 236772-1KG	Request Quote
Sigma	SILICA GEL, DAVISIL, GRADE 635, PORE SIZ	236799-100G 236799-1KG	Request Quote
Sigma	SILICA GEL, DAVISIL, GRADE 636, PORE SIZ	236802-100G 236802-1KG	Request Quote
Sigma	SILICA GEL, DAVISIL, GRADE 643, PORE SIZ	236810-100G 236810-1KG	Request Quote
Sigma	SILICA GEL, DAVISIL, GRADE 646, PORE SIZ	236845-100G 236845-1KG	Request Quote
Sigma	SILICA GEL, GRADE 12, 28-200 MESH	214396-1KG 214396-5KG	Request Quote
Sigma	SILICA GEL, GRADE 22, 60-200 MESH	343323-1KG	Request Quote
Sigma	SILICA GEL, GRADE 40, 6-12 MESH	214426-1KG	Request Quote
Sigma	SILICA GEL, GRADE 62, 60-200 MESH	243981-2.5KG 243981-500G	Request Quote
Sigma	SILICA GEL, GRADE 7734, 60 ANGSTROM, 70	391484-100G 391484-1KG 391484-5KG	Request Quote
Sigma	SILICA GEL, GRADE 923, 100-200 MESH	214477-1KG 214477-250G 214477-50G	Request Quote
Sigma	SILICA GEL, HIGH PURITY GRADE, PORE SIZ	60737-1KG 60737-2.5KG 60737-25KG 60737-500G 60737-5KG	Request Quote
Sigma	SILICA GEL, MERCK GRADE 7754, HIGH PURI	403598-500G	Request Quote
Sigma	SILICA GEL, MERCK, GRADE 9385, 230-400	227196-100G 227196-1KG 227196-25KG 227196-5KG	Request Quote
Sigma	SILICA GEL, MERCK, TLC GRADE 7749, WITH	346446-1KG	Request Quote
Sigma	SILICA GEL, TLC HIGH-PURITY GRADE, WITH	288519-250G	Request Quote
Sigma	SILICA GEL, TLC STANDARD GRADE, WITHOUT	288500-1KG	Request Quote
Sigma	SILICA NANOPARTICLES, MESOPOROUS, 200 N	748161-1G 748161-5G	Request Quote
Sigma	SILICA, FUMED, 99.8% (SURFACE AREA = 17	381276-100G 381276-500G	Request Quote
Sigma	SILICA, FUMED, AVG. PART. SIZE 0.2-0.3	S5505-100G S5505-500G	Request Quote
Sigma	SILICA, FUMED, POWDER	S5130-100G S5130-25G S5130-500G	Request Quote
Sigma	SILICA, MESOPOROUS PARTICLE SIZE 0.5 ?M	805890-1G	Request Quote
Sigma	SILICA, MESOPOROUS SBA-15, PARTICLE SIZE	806854-5G	Request Quote
Sigma	SILICA, MESOPOROUS, PARTICLE SIZE 1 ?M	806811-1G	Request Quote
Sigma	SILICA, MESOPOROUS, PARTICLE SIZE 2 ?M	806900-1G	Request Quote
Sigma	SILICA, MESOSTRUCTURED, MCM-41(HEXAGONA	643645-25G 643645-5G	Request Quote
Sigma	SILICA, MESOSTRUCTURED, MSU-F(CELLULAR	560979-10G	Request Quote
Sigma	SILICA, MESOSTRUCTURED, SBA-15, 99% TRA	777242-5G	Request Quote
Sigma	SILICA, NANOPOWDER, SPEC. SURFACE AREA 1	718483-100G	Request Quote
Sigma	SILICA,MESOPOROUS MCM-48, PARTICLE SIZE	805467-5G	Request Quote
Sigma	SILICA,MESOPOROUS PARTICLE SIZE 0.5 ?M	808989-1G	Request Quote
Sigma	SILICA,MESOPOROUS PARTICLE SIZE 1 ?M, PO	806889-1G	Request Quote
Sigma	SILICA,MESOPOROUS PARTICLE SIZE 2 ?M, PO	806587-1G	Request Quote
Sigma	SILICA,MESOPOROUS PARTICLE SIZE 3 ?M, P	806951-1G	Request Quote
Sigma	SILICA,MESOPOROUS PARTICLE SIZE 3 ?M, PO	806765-1G	Request Quote
Sigma	SILICA,MESOPOROUS SBA-15, PARTICLE SIZE	806803-5G 806862-5G	Request Quote
Sigma	SILICA,MESOPOROUS SBA-16, PARTICLE SIZE	806927-5G	Request Quote
Sigma	SILICON DIOXIDE NANOPOWDER, 10-20 NM PA	637238-250G 637238-500G 637238-50G	Request Quote
Sigma	SILICON DIOXIDE, -325 MESH, 99.5% TRACE	342890-100G 342890-1KG	Request Quote
Sigma	SILICON DIOXIDE, >=99.995% METALS BASIS	204358-100G 204358-20G 204358-5G	Request Quote
Sigma	SILICON DIOXIDE, FUSED (GRANULAR), 4-20	342831-100G 342831-1KG	Request Quote
Sigma	SILICON DIOXIDE, NANOPOWDER (SPHERICAL	637246-250G 637246-500G 637246-50G	Request Quote
Sigma	SILICON DIOXIDE, SINGLE CRYSTAL SUBSTRA	634867-5EA	Request Quote
Sigma	SILICON DIOXIDE,GRANULAR, >/=99.9%	85356-100G	Request Quote
Sigma	STANDARD SUPER CEL(R) FINE FILTER AID	85665-1KG	Request Quote
Sigma	Silica gel	12479-25KG	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.