Disodium octaborate tetrahydrate, ≥99%

Name: Disodium octaborate tetrahydrate, ≥99%
Brand: Vaqora Chemicals
SKU: VQ-020533

About Disodium octaborate tetrahydrate, ≥99%

Listed under CAS 12280-03-4, Disodium octaborate tetrahydrate is a main-group metal compound available from Vaqora Chemicals, specified at ≥99% purity. Formula B8H8Na2O17, molecular weight 412.5 g/mol. It is also known as Tim-Bor or Boron sodium oxide tetrahydrate.

Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include materials research and chemical synthesis. Buyers come mainly from academic and industrial research.

We offer Disodium octaborate tetrahydrate in 500 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Materials research
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Disodium octaborate tetrahydrate, ≥99%
Catalogue No.	VQ-020533
CAS Number	12280-03-4
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	413.0338
Purity / assay	≥99%
HSN code	28401100
InChIKey	RDMZIKMKSGCBKK-UHFFFAOYSA-N
SMILES	B(=O)OB1OB2OB(OB(OB(O2)OB(O1)OB=O)[O-])[O-].O.O.O.O.[Na+].[Na+]
PubChem CID	90478478

Physical properties
Physical form	Other
H-bond donors / acceptors	4 / 17
TPSA	167 Å²
Synonyms	Tim-Bor, Boron sodium oxide tetrahydrate, Boron sodium oxide, tetrahydrate, Boric acid, disodium salt, tetrahydrate, Boric acid (H2B8O13), disodium salt, tetrahydrate, disodium octaborate tetrahydrate, Na2B8O13, sodium 9,11-bis((oxoboryl)oxy)bicyclo(5.5.1)hexaboroxane-3,5-diolate hydrate (2:1:4), Boron sodium oxide (B8Na2O13), tetrahydrate, MOP UP, Sodium 9,11-bis[(oxoboranyl)oxy]bicyclo[5.5.1]hexaboroxane-3,5-bis(olate)--water (2/1/4)

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Disodium octaborate tetrahydrate, ≥99%?

The CAS Registry Number of Disodium octaborate tetrahydrate, ≥99% is 12280-03-4. It is also known as Tim-Bor, Boron sodium oxide tetrahydrate, Boron sodium oxide, tetrahydrate.

What is the molecular formula and molecular weight of Disodium octaborate tetrahydrate, ≥99%?

Disodium octaborate tetrahydrate, ≥99% has the molecular formula B8H8Na2O17 and a molecular weight of 412.5 g/mol.

Which grade and pack sizes of Disodium octaborate tetrahydrate, ≥99% can I order?

We supply Disodium octaborate tetrahydrate, ≥99% in (≥99%) grade, in 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Disodium octaborate tetrahydrate, ≥99%?

Yes. Every lot of Disodium octaborate tetrahydrate, ≥99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Disodium octaborate tetrahydrate, ≥99% be shipped internationally?

Yes. Disodium octaborate tetrahydrate, ≥99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.