CAS 1 record

CAS 12280-03-4

CAS 12280-03-4 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 12280-03-4
CAS 12280-03-4PubChem CID 90478478

Disodium octaborate tetrahydrate

IUPAC name
disodium;(9,11-dioxido-5-oxoboranyloxy-2,4,6,8,10,12,13-heptaoxa-1,3,5,7,9,11-hexaborabicyclo[5.5.1]tridecan-3-yl)oxy-oxoborane;tetrahydrate
Molecular formula
B8H8Na2O17
Molecular weight
412.5 g/mol
Exact mass
413.0337604 Da
Topological polar surface area
167.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
17
Covalent units
7
Defined stereocentres
0

Also known as

TimborTim-BorBoron sodium oxide tetrahydrateFLEABORU2EEC8170GBoron sodium oxide, tetrahydrateEPA Pesticide Chemical Code 011103Boric acid, disodium salt, tetrahydrate
16 more reported names
Boric acid (H2B8O13), disodium salt, tetrahydrateRefChem:135076disodium octaborate tetrahydrate, Na2B8O13sodium 9,11-bis((oxoboryl)oxy)bicyclo(5.5.1)hexaboroxane-3,5-diolate hydrate (2:1:4)BORACOLBoron sodium oxide (B8Na2O13), tetrahydrateCELLU-TREATMOP UPNIBOR-DCaswell No. 406BUNII-U2EEC8170GB8H8Na2O17Disodium octaborate, tetrahydrateRDMZIKMKSGCBKK-UHFFFAOYSA-NSodium 9,11-bis[(oxoboranyl)oxy]bicyclo[5.5.1]hexaboroxane-3,5-bis(olate)--water (2/1/4)disodium;(9,11-dioxido-5-oxoboranyloxy-2,4,6,8,10,12,13-heptaoxa-1,3,5,7,9,11-hexaborabicyclo[5.5.1]tridecan-3-yl)oxy-oxo-borane;tetrahydrate
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match90478478

Attributed physical-property, hazard, environmental and use annotations.

  • Signal: Danger Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • GHS Hazard Statements: H360FD: May damage fertility; May damage the unborn child [Danger Reproductive toxicity] Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • Precautionary Statement Codes: P203, P280, P318, P405, and P501 (click each P-code to see the statement) Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
  • Note: This chemical does not meet GHS hazard criteria for 7.1% (2 of 28) of reports. Source: European Chemicals Agency (ECHA)
  • Signal: Danger Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H315 (14.3%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (71.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H360 (78.6%): May damage fertility or the unborn child [Danger Reproductive toxicity] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P203, P264, P264+P265, P280, P302+P352, P305+P351+P338, P318, P321, P332+P317, P337+P317, P362+P364, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 28 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 2 of 28 reports by companies.; There are 3 notifications provided by 26 of 28 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • Signal: Danger Source: NITE-CMC
  • GHS Hazard Statements: H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]; H360: May damage fertility or the unborn child [Danger Reproductive toxicity]; H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]; H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]; H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure] Source: NITE-CMC
  • Precautionary Statement Codes: P203, P260, P261, P264, P270, P271, P280, P304+P340, P308+P316, P318, P319, P321, P403+P233, P405, and P501 (click each P-code to see the statement) Source: NITE-CMC
  • Signal: Danger Source: Hazardous Chemical Information System (HCIS), Safe Work Australia

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 12280-03-4

1 total
No records found for this CAS number.

How CAS 12280-03-4 is used on this site

CAS 12280-03-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 12280-03-4 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.