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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 106984Generated: November 2, 2026

Hexanoic acid, 2-ethyl-, 1,1',1'',1'''-tetraanhydride with silicic acid (H4SiO4)

tetrakis(2-ethylhexanoic) acid, tetraanhydride with silicic acid · Einecs 267-853-0 · Silicon 2-ethylhexanoate, min. 90 · Silicic acid tetrakis(2-ethylhexanoic)tetraanhydride · Silicon(IV) 2-ethylhexanoate, nominally 75% in ethanol · 2-ethyl-hexanoicacitetraanhydridewithsilicicacid(h4sio4) · 2-Ethylhexanoic acid tetraanhydride with silicic acid (H4sio4) · Hexanoic acid, 2-ethyl-, tetraanhydride with silicic acid (H4sio4)

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Hexanoic acid, 2-ethyl-, 1,1',1'',1'''-tetraanhydride with silicic acid (H4SiO4) molecular structure

Identifiers & Physical Properties

CAS No.67939-81-5
Molecular formulaC32H60O8Si
Average molar mass600.9 g/mol
Monoisotopic mass600.4057454 g/mol
SMILESCCCCC(CC)C(=O)O[Si](OC(=O)C(CC)CCCC)(OC(=O)C(CC)CCCC)OC(=O)C(CC)CCCC
InChIKeyUNKOLEUDCQIVBV-UHFFFAOYSA-N
PubChem CID106984
EC No.267-853-0
DTXSIDDTXSID90987331

Chemical & Physical Properties

Topological polar surface area105
Hydrogen bond donors0
Hydrogen bond acceptors8
Rotatable bonds28
Heavy atoms41
Formal charge0
Complexity630
Physical stateLiquid
SolubilityHydrolyzes in water.
SensitivityMoisture Sensitive
Exposure limitsACGIH: STEL 1000 ppmOSHA: TWA 1000 ppm(1900 mg/m3)NIOSH: IDLH 3300 ppmTWA 1000 ppm(1900 mg/m3)
EPA Substance Registry System2-Ethylhexanoic acid tetraanhydride with silicic acid (H4SiO4) (67939-81-5)
GHS pictogramGHS02,GHS08
GHS hazard statementsH225-H361
GHS precautionary statementsP201-P210-P280-P303+P361+P353-P405-P501a
UN transport numberUN1993
TSCA inventory statusTSCA listed
Hazard class3
Packing groupII

Safety & Regulations

GHS classificationDangerH225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]P203, P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P318, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 4 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
TSCA inventory statusTSCA listed
UN transport numberUN1993
GHS pictogramGHS02,GHS08
Hazard class3
Packing groupII
GHS hazard statementsH225-H361
GHS precautionary statementsP201-P210-P280-P303+P361+P353-P405-P501a

Applications & Uses

Uses

In the manufacture of its esters for artificial flavors, and in the manufacture of hexyl derivatives, such as hexylphenols.