disodium octaborate

Description

disodium octaborate · CAS 12008-41-2 · B8Na2O13. UNII JT9XWY98MF.

Identification

CAS Registry Number	12008-41-2
PubChem CID	90479350
Molecular formula	B8Na2O13
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
UNII (FDA)	JT9XWY98MF

Computed Descriptors

Molecular Weight	340.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	13
Rotatable Bond Count	2
Exact Mass	340.9915016
Monoisotopic Mass	341.987870
Topological Polar Surface Area	163
Heavy Atom Count	23
Formal Charge	0
Complexity	319

Physical description & handling notes

• Dry Powder
• Crystalline rod
• Dissolves rapidly in water ... easily forms viscous supersaturated solutions at elevated temperatures. Solubility at 30 degC: 21.9wt % /Disodium octaborate tetrahydrate/
• Solubility: 9.5 g/100 g water /Disodium octaborate tetrahydrate/
• Amorphous solid ... easily dissolved in cold water to give supersaturated solutions of considerable concentration. ... In aqueous solution the pH decreases with concentration. /Disodium octaborate tetrahydrate/
• Soluble concentrate/liquid 40%; soluble concentrate/solid 99.4% /Disodium octaborate tetrahydrate/

Regulatory Status

GHS notification summary	0.5% (1 / 222)

GHS Hazard Classification

GHS notification summary	0.5% (1 / 222)
Reported hazard statements	H360 (86.5%)

Documented Uses

• Used to prevent and control decay fungi in lumber and timber products.
• Multimicronutrient fertilizer /Disodium octaborate tetrahydrate/
• For more Uses (Complete) data for DISODIUM OCTABORATE (8 total), please visit the HSDB record page.
• 2023: 25,000,000 - <75,000,000 lb
• 2022: 25,000,000 - <75,000,000 lb
• 2021: 25,000,000 - <75,000,000 lb

Synonyms

Disodium octaborate; Impel; BORA-CARE; JT9XWY98MF; Sodium borate (Na2B8O13); Boron sodium oxide (B8Na2O13); 12008-41-2; Boron sodium oxide (Na2B8O13); Boric acid (H2B8O13), disodium salt; DTXSID6034390; RefChem:1080103; DTXCID4014390; 234-541-0; 602-894-3; BORACOL-40; Boracol 40

Frequently Asked Questions

What are the CAS number and molecular formula of disodium octaborate?

CAS 12008-41-2; molecular formula B8Na2O13; molecular weight — g/mol.

What other names is disodium octaborate known by?

Disodium octaborate, Impel, BORA-CARE, JT9XWY98MF, Sodium borate (Na2B8O13), Boron sodium oxide (B8Na2O13).

Is disodium octaborate classified as hazardous?

0.5% of GHS notifications report no hazard classification (1 of 222).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.