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Cobalt

Home/ Merck & Sigma/ CAS 7440-48-4
Cobalt molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 360 grades and pack sizes of Cobalt (CAS 7440-48-4). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS7440-48-4
Molecular formulaCo
Molecular weight58.93 g/mol
IUPAC namecobalt
SynonymsCobalt, elemental · Cobalt-59 · Aquacat · Super cobalt · NCI-C60311 · COBALTUM METALLICUM
Safety & Hazards (GHS) Danger
Irritant Irritant Health hazard Health hazard
  • H317 May cause an allergic skin reaction
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H341 Suspected of causing genetic defects
  • H350 May cause cancer
  • H413 May cause long lasting harmful effects to aquatic life
  • H302 Harmful if swallowed
  • H360Fd May damage fertility; Suspected of damaging the unborn child

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma COBALT NANOPOWDER, CARBON COATED, MAGNE 697745-500MG Request Quote
Sigma COBALT, FOIL 100X100MM, THICKNESS 0.25M GF18093461-1EA
GF40808516-1EA		 Request Quote
Sigma COBALT, FOIL 100X100MM, THICKNESS 0.5MM GF30160291-1EA Request Quote
Sigma COBALT, FOIL 100X100MM, THICKNESS 0.7MM GF81966224-1EA Request Quote
Sigma COBALT, FOIL 100X100MM, THICKNESS 1.0MM GF56494187-1EA Request Quote
Sigma COBALT, FOIL 100X100MM, THICKNESS 2.0MM GF76259593-1EA Request Quote
Sigma COBALT, FOIL 250X250MM, THICKNESS 0.50M GF91564904-1EA Request Quote
Sigma COBALT, FOIL 25X25MM, THICKNESS 0.125MM GF88288699-1EA
GF88288699-5EA		 Request Quote
Sigma COBALT, FOIL 25X25MM, THICKNESS 0.25MM GF30959411-1EA
GF30959411-5EA
GF67617153-1EA
GF67617153-5EA		 Request Quote
Sigma COBALT, FOIL 25X25MM, THICKNESS 0.5MM GF85563535-1EA
GF85563535-5EA		 Request Quote
Sigma COBALT, FOIL 25X25MM, THICKNESS 0.7MM GF09035647-10EA
GF09035647-1EA
GF09035647-5EA		 Request Quote
Sigma COBALT, FOIL 25X25MM, THICKNESS 1.0MM GF34805268-1EA
GF41834011-1EA
GF41834011-5EA		 Request Quote
Sigma COBALT, FOIL 50X50MM, THICKNESS 0.125MM GF36086250-1EA Request Quote
Sigma COBALT, FOIL 50X50MM, THICKNESS 0.25MM GF52144747-1EA
GF69926462-1EA
GF69926462-5EA		 Request Quote
Sigma COBALT, FOIL 50X50MM, THICKNESS 0.5MM GF95441283-1EA Request Quote
Sigma COBALT, FOIL 50X50MM, THICKNESS 0.7MM GF29455724-1EA
GF29455724-5EA		 Request Quote
Sigma COBALT, FOIL 50X50MM, THICKNESS 1.0MM GF29251953-1EA
GF29251953-5EA
GF50658734-1EA		 Request Quote
Sigma COBALT, FOIL, 0.1MM THICK, 99.95% METAL 356867-2.2G
356867-8.8G		 Request Quote
Sigma COBALT, FOIL, 0.1MM THICK, 99.99+% 326380-8.8G Request Quote
Sigma COBALT, FOIL, 1.0MM THICK, 99.95% METAL 356891-6.25CM2 Request Quote
Sigma COBALT, FOIL, 10MM DISKS, THICKNESS 0.0 GF00415426-10EA
GF18688731-10EA
GF25878987-10EA
GF44066864-10EA
GF50375886-10EA
GF59746168-10EA
GF65365465-10EA
GF67945607-10EA
GF72680564-10EA
GF80385756-10EA
GF87279924-10EA
GF89300022-10EA		 Request Quote
Sigma COBALT, FOIL, 10MM DISKS, THICKNESS 0.1 GF39519164-10EA
GF58641059-10EA		 Request Quote
Sigma COBALT, FOIL, 10MM DISKS, THICKNESS 0.2 GF41119657-10EA
GF56303456-10EA		 Request Quote
Sigma COBALT, FOIL, 15MM DISKS, THICKNESS 0.0 GF01747403-10EA
GF08358116-10EA
GF34873320-10EA
GF36092011-10EA
GF48219857-10EA
GF51927565-10EA
GF61689673-10EA
GF62503220-10EA
GF68270362-10EA
GF70682700-10EA
GF81447554-10EA
GF85070000-10EA
GF93200420-10EA
GF96985591-10EA		 Request Quote
Sigma COBALT, FOIL, 15MM DISKS, THICKNESS 0.1 GF39895273-10EA
GF79962137-10EA		 Request Quote
Sigma COBALT, FOIL, 15MM DISKS, THICKNESS 0.2 GF37932330-10EA
GF39956754-10EA		 Request Quote
Sigma COBALT, FOIL, 25MM DISKS, THICKNESS 0.0 GF27481732-10EA
GF33795658-10EA
GF44764993-10EA
GF48894485-10EA
GF50052765-10EA		 Request Quote
Sigma COBALT, FOIL, 25MM DISKS, THICKNESS 0.1 GF95811475-10EA Request Quote
Sigma COBALT, FOIL, 25MM DISKS, THICKNESS 0.2 GF41541476-10EA
GF94594450-10EA		 Request Quote
Sigma COBALT, FOIL, 4MM DISKS, THICKNESS 0.00 GF08560289-10EA
GF45372315-10EA
GF48392051-10EA
GF55954873-10EA
GF70445246-10EA
GF89559343-10EA
GF92926727-10EA		 Request Quote
Sigma COBALT, FOIL, 4MM DISKS, THICKNESS 0.01 GF03600278-10EA
GF40089225-10EA
GF78079630-10EA		 Request Quote
Sigma COBALT, FOIL, 4MM DISKS, THICKNESS 0.02 GF29762646-10EA
GF97588300-10EA		 Request Quote
Sigma COBALT, FOIL, 4MM DISKS, THICKNESS 0.05 GF21186985-10EA
GF69765890-10EA
GF76990337-10EA		 Request Quote
Sigma COBALT, FOIL, 4MM DISKS, THICKNESS 0.12 GF47765166-10EA
GF95280396-10EA		 Request Quote
Sigma COBALT, FOIL, 4MM DISKS, THICKNESS 0.25 GF33091196-10EA
GF61683071-10EA		 Request Quote
Sigma COBALT, FOIL, 50MM DISKS, THICKNESS 0.1 GF99449702-10EA Request Quote
Sigma COBALT, FOIL, 6MM DISKS, THICKNESS 0.00 GF05655382-10EA
GF15841199-10EA
GF49006458-10EA
GF70035869-10EA
GF71539229-10EA
GF94359853-10EA
GF94917718-10EA		 Request Quote
Sigma COBALT, FOIL, 6MM DISKS, THICKNESS 0.01 GF11152628-10EA
GF50034383-10EA
GF59953944-10EA		 Request Quote
Sigma COBALT, FOIL, 6MM DISKS, THICKNESS 0.02 GF20330749-10EA
GF98537620-10EA		 Request Quote
Sigma COBALT, FOIL, 6MM DISKS, THICKNESS 0.05 GF20736659-10EA
GF23791620-10EA		 Request Quote
Sigma COBALT, FOIL, 6MM DISKS, THICKNESS 0.12 GF70645721-10EA
GF72500161-10EA		 Request Quote
Sigma COBALT, FOIL, 6MM DISKS, THICKNESS 0.25 GF36399437-10EA Request Quote
Sigma COBALT, FOIL, 8MM DISKS, THICKNESS 0.00 GF06922920-10EA
GF25807035-10EA
GF42403328-10EA
GF54483318-10EA
GF64714406-10EA
GF80149507-10EA
GF94981449-10EA		 Request Quote
Sigma COBALT, FOIL, 8MM DISKS, THICKNESS 0.01 GF54298233-10EA
GF94077962-10EA
GF94243080-10EA		 Request Quote
Sigma COBALT, FOIL, 8MM DISKS, THICKNESS 0.02 GF17203003-10EA
GF41343566-10EA		 Request Quote
Sigma COBALT, FOIL, 8MM DISKS, THICKNESS 0.05 GF73952534-10EA
GF92082012-10EA		 Request Quote
Sigma COBALT, FOIL, 8MM DISKS, THICKNESS 0.12 GF30716153-10EA
GF76991316-10EA		 Request Quote
Sigma COBALT, FOIL, 8MM DISKS, THICKNESS 0.25 GF49928956-10EA
GF98050428-10EA		 Request Quote
Sigma COBALT, FOIL, LIGHT TESTED, 100X100MM GF03773640-1EA
GF06754406-1EA		 Request Quote
Sigma COBALT, FOIL, LIGHT TESTED, 25X25MM, TH GF04944539-1EA
GF04944539-5EA
GF15401135-10EA
GF15401135-1EA
GF15401135-5EA
GF31361835-10EA
GF31361835-1EA
GF31361835-5EA
GF42159315-1EA
GF42159315-5EA
GF53589897-10EA
GF53589897-1EA
GF53589897-5EA
GF75010564-10EA
GF75010564-1EA
GF75010564-5EA
GF76859892-1EA
GF76859892-5EA
GF84130792-10EA
GF84130792-1EA
GF84130792-5EA		 Request Quote
Sigma COBALT, FOIL, LIGHT TESTED, 50X50MM, TH GF09020078-1EA
GF09020078-5EA
GF13817516-1EA
GF13817516-5EA
GF16350599-1EA
GF20509354-1EA
GF20509354-5EA
GF40621665-1EA
GF40621665-5EA
GF46475220-1EA
GF46475220-5EA
GF72081592-1EA
GF72081592-5EA
GF81964413-1EA		 Request Quote
Sigma COBALT, FOIL, NOT LIGHT TESTED, 100X100 GF13124146-1EA
GF17839334-1EA
GF21348132-1EA
GF23494608-1EA
GF31168122-1EA
GF45144985-1EA
GF45956166-1EA
GF56754557-1EA
GF64339724-1EA
GF64744937-1EA
GF90540390-1EA
GF99715876-1EA		 Request Quote
Sigma COBALT, FOIL, NOT LIGHT TESTED, 150X150 GF03770995-1EA
GF13007180-1EA
GF27157495-1EA
GF44846208-1EA		 Request Quote
Sigma COBALT, FOIL, NOT LIGHT TESTED, 25X25MM GF08123723-10EA
GF08123723-1EA
GF08123723-5EA
GF15928858-1EA
GF15928858-5EA
GF30616668-1EA
GF40673707-1EA
GF40673707-5EA
GF71622301-1EA
GF71622301-5EA
GF85339389-1EA
GF85339389-5EA
GF92296154-1EA
GF92296154-5EA
GF93295299-1EA
GF93295299-5EA
GF94203503-1EA
GF94203503-5EA
GF94218666-1EA
GF94218666-5EA		 Request Quote
Sigma COBALT, FOIL, NOT LIGHT TESTED, 50X50MM GF00377029-1EA
GF00377029-5EA
GF00561204-1EA
GF17951160-1EA
GF28651619-1EA
GF28651619-5EA
GF31581200-1EA
GF37004464-1EA
GF40290667-1EA
GF58271261-1EA
GF58271261-5EA
GF64168263-1EA
GF64168263-5EA
GF73778776-1EA
GF76302839-1EA
GF79906382-1EA
GF79949738-1EA
GF88007564-1EA		 Request Quote
Sigma COBALT, FOIL, THICKNESS 0.50MM, SIZE 12 GF90657164-10EA
GF90657164-1EA
GF90657164-5EA		 Request Quote
Sigma COBALT, FOIL, THICKNESS 0.50MM, SIZE 50 GF70400405-10EA
GF70400405-1EA
GF70400405-5EA		 Request Quote
Sigma COBALT, FOIL, THICKNESS 1.0MM, SIZE 125 GF99322094-1EA Request Quote
Sigma COBALT, FOIL, THICKNESS 1.0MM, SIZE 250 GF09412455-1EA Request Quote
Sigma COBALT, FOIL, THICKNESS 1.0MM, SIZE 50X GF95107473-1EA
GF95107473-5EA		 Request Quote
Sigma COBALT, FOIL, THICKNESS 2.0MM, SIZE 25X GF50744954-1EA
GF50744954-5EA		 Request Quote
Sigma COBALT, GRANULAR, 99.99% TRACE METALS B 203076-25G
203076-5G		 Request Quote
Sigma COBALT, LUMP, MAX. LUMP SIZE 10MM, WEIG GF27025691-1EA
GF67974328-1EA
GF75844356-1EA
GF80543796-1EA
GF89255290-1EA
GF96790113-1EA
GF97256559-1EA		 Request Quote
Sigma COBALT, LUMP, MAX. LUMP SIZE 40MM, WEIG GF01905308-1EA
GF05847880-1EA
GF49028980-1EA
GF60043317-1EA		 Request Quote
Sigma COBALT, MICROFOIL DISKS, 10MM, THINNESS GF39774617-10EA
GF39774617-1EA
GF39774617-5EA
GF41606131-10EA
GF41606131-1EA
GF41606131-5EA		 Request Quote
Sigma COBALT, MICROFOIL DISKS, 25MM, THINNESS GF78371747-10EA
GF78371747-1EA
GF78371747-5EA
GF95862134-10EA
GF95862134-1EA
GF95862134-5EA		 Request Quote
Sigma COBALT, PIECES, 99.5% METALS BASIS 266655-100G
266655-500G		 Request Quote
Sigma COBALT, POWDER, 2MUM PARTICLE SIZE, 99.8 266639-100G
266639-25G
266639-500G		 Request Quote
Sigma COBALT, POWDER, <150 MICRON, >=99.9% ME 266647-250G
266647-50G		 Request Quote
Sigma COBALT, POWDER, MAX. PARTICLE SIZE 150M GF14966231-1EA
GF16866670-1EA
GF21501795-1EA
GF63256743-1EA		 Request Quote
Sigma COBALT, POWDER, MAX. PARTICLE SIZE 45MI GF06340597-1EA
GF71848503-1EA
GF92574782-1EA		 Request Quote
Sigma COBALT, POWDER, MAX. PARTICLE SIZE 7.5M GF13438751-1EA
GF59680862-1EA
GF60107510-1EA		 Request Quote
Sigma COBALT, POWDER, MAX. PARTICLE SIZE 840M GF01015300-1EA
GF26913179-1EA
GF96008126-1EA		 Request Quote
Sigma COBALT, POWDER, MEAN PARTICLE SIZE 0.02 GF77406756-1EA Request Quote
Sigma COBALT, ROD, 5.0MM DIAM., 99.95% METALS 398810-150MM Request Quote
Sigma COBALT, ROD, DIAMETER 1.5MM, LENGTH 100 GF71155469-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 1.5MM, LENGTH 200 GF71761451-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 1.5MM, LENGTH 25 GF37773816-1EA
GF37773816-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 1.5MM, LENGTH 50 GF56174238-1EA
GF56174238-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 10MM, LENGTH 100 GF80270849-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 10MM, LENGTH 200 GF33483461-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 10MM, LENGTH 25 M GF97744742-1EA
GF97744742-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 10MM, LENGTH 50 M GF36809523-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 12MM, LENGTH 100 GF31725020-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 12MM, LENGTH 200 GF65627679-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 12MM, LENGTH 25 M GF41793565-1EA
GF41793565-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 12MM, LENGTH 50 M GF24195999-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 2.0MM, LENGTH 100 GF86373760-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 2.0MM, LENGTH 2 M GF02492995-10EA
GF02492995-1EA
GF02492995-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 2.0MM, LENGTH 200 GF17102764-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 2.0MM, LENGTH 25 GF68219174-1EA
GF68219174-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 2.0MM, LENGTH 50 GF76842984-1EA
GF76842984-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 25MM, LENGTH 100 GF69748644-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 25MM, LENGTH 25 M GF46166351-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 25MM, LENGTH 50 M GF28563712-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 3.0MM, LENGTH 100 GF64618544-1EA
GF64618544-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 3.0MM, LENGTH 200 GF94023086-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 3.0MM, LENGTH 50 GF18137729-10EA
GF18137729-1EA
GF18137729-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 3.0MM, LENGTH 500 GF93598161-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 5.0MM, LENGTH 25 GF45491362-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 5.0MM, LENGTH 50 GF86421012-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 6.35MM, LENGTH 10 GF28351515-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 6.35MM, LENGTH 20 GF43939761-1EA Request Quote
Sigma COBALT, ROD, DIAMETER 6.35MM, LENGTH 25 GF05977558-1EA
GF05977558-5EA		 Request Quote
Sigma COBALT, ROD, DIAMETER 6.35MM, LENGTH 50 GF14653807-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.025M DIAMETER 2.0M GF54906385-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.05M DIAMETER 0.25M GF14436503-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.05M DIAMETER 0.5MM GF60120997-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.05M DIAMETER 1.0MM GF34640333-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.05M DIAMETER 2.0MM GF63298198-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.1M DIAMETER 0.125M GF04914738-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.1M DIAMETER 0.1MM GF91382069-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.1M DIAMETER 0.25MM GF04563187-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.1M DIAMETER 0.5MM GF15124081-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.1M DIAMETER 1.0MM GF30041480-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.1M DIAMETER 2.0MM GF12274253-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.1M, DIAMETER 0.05M GF74432392-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.2M DIAMETER 0.125M GF14342026-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.2M DIAMETER 0.1MM GF22757935-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.2M DIAMETER 0.25MM GF70398502-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.2M DIAMETER 0.5MM GF90510094-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.2M DIAMETER 1.0MM GF55186050-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.2M DIAMETER 2.0MM GF34281480-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.2M, DIAMETER 0.05M GF64719579-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.5M DIAMETER 0.125M GF92752522-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.5M DIAMETER 0.1MM GF44741606-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.5M DIAMETER 0.25MM GF99812638-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.5M DIAMETER 0.5MM GF13761918-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.5M DIAMETER 1.0MM GF98256314-1EA Request Quote
Sigma COBALT, WIRE REEL, 0.5M, DIAMETER 0.05M GF87130728-1EA Request Quote
Sigma COBALT, WIRE REEL, 1M DIAMETER 0.125MM GF94066139-1EA Request Quote
Sigma COBALT, WIRE REEL, 1M DIAMETER 0.1MM, H GF92700176-1EA Request Quote
Sigma COBALT, WIRE REEL, 1M DIAMETER 0.25MM GF76579846-1EA Request Quote
Sigma COBALT, WIRE REEL, 1M DIAMETER 0.5MM, H GF20239017-1EA Request Quote
Sigma COBALT, WIRE REEL, 1M, DIAMETER 0.05MM GF91340861-1EA Request Quote
Sigma COBALT, WIRE REEL, 2M DIAMETER 0.125MM GF58266478-1EA Request Quote
Sigma COBALT, WIRE REEL, 2M DIAMETER 0.1MM, H GF87521542-1EA Request Quote
Sigma COBALT, WIRE REEL, 2M DIAMETER 0.25MM GF72480966-1EA Request Quote
Sigma COBALT, WIRE REEL, 2M, DIAMETER 0.05MM GF17608091-1EA Request Quote
Sigma COBALT, WIRE, 1.0MM DIAM., 99.995% METAL 266701-1.4G Request Quote

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