Boric acid (H3BO3), tripropyl ester

HCID 12711CAS 688-71-1

Substructure search Find similar structures

Basic information

Standard SMILES: CCCOB(OCCC)OCCC
InChIKey: LTEHWCSSIHAVOQ-UHFFFAOYSA-N
Molecular formula: C9H21BO3
Average molar mass: 188.07 g/mol
Monoisotopic mass: 188.15837493

Names & identifiers

Preferred name: Boric acid (H3BO3), tripropyl ester
IUPAC: tripropyl borate
English name: Tripropyl borate
Molecular formula: C9H21BO3
Molecular weight: 188.07

Names & synonyms

Tripropyl borate688-71-1Tri-n-propyl borateTripropoxyboraneBoron propoxideTris(propoxy)boranePropyl orthoborateBoric acid (H3BO3), tripropyl esterTripropyl orthoborateBORIC ACID, TRIPROPYL ESTERPropyl borate, (PrO)3BNSC 778

Show more names

(n-C3H7O)3BPROPYL BORATEn-Propyl borateTripropoxyborateBORON N-PROPOXIDE

AI3-51830EINECS 211-703-9BRN 1701561DTXSID40609954-01-00-01436 (Beilstein Handbook Reference)RefChem:569987DTXCID9046233211-703-9

Database identifiers

CAS: 688-71-1
PubChem CID: 12711
DTXSID: DTXSID4060995
UNII: S3BF3RBA88
EC Number: 211-703-9
Nikkaji: J42.793D

Properties

Computed structural properties

Topological polar surface area: 27.7 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 3
Rotatable bonds: 9
Heavy atoms: 13
Formal charge: 0
Complexity: 81.8

Physicochemical properties

Melting point: 0 °C · <0°C
Boiling point: 175 · 175-177 °C(lit.)
Density: 0.857 g/mL · 0.857 g/mL at 25 °C(lit.)
refractive index: 20 · n20/D 1.395(lit.)
Flash point: 90 °F · 90 °F
storage temp.: 2 · Storage temp. 2-8°C
form: Liquid
Specific Gravity: 0.857 · 0.857
color: Colorless
Water Solubility: Soluble in organic solvents. Decomposes in water
Sensitive: Moisture Sensitive
Hydrolytic Sensitivity: 7 · 7: reacts slowly with moisture/water
InChIKey: LTEHWCSSIHAVOQ-UHFFFAOYSA-N
CAS DataBase Reference: 688 · 688-71-1(CAS DataBase Reference)
FDA UNII: 3 BF3RBA88 · S3BF3RBA88
EPA Substance Registry System: Boric acid (H3BO3), tripropyl ester (688-71-1)
Symbol(GHS): 2 · GHS02,GHS07
Signal word: Warning
Hazard statements: 226 · H226-H320-H303-H315-H319-H335
Precautionary statements: 210 · P210-P233-P240-P241+P242+P243-P264-P280-P303+P361+P353-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501-P261-P305+P351+P338-P405-P501a
Risk Statements: 10 · 10
Safety Statements: 16 · 16-33
RIDADR: 1993 · UN 1993 3/PG 3
WGK Germany: 2 · 2
RTECS: 5785000 · ED5785000
TSCA: TSCA listed
HazardClass: 3 · 3
PackingGroup: II
HS Code: 29051210 · 29051210

Safety & regulation

GHS classification

GHS Classification · 4 items

Warning

H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]

P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 148 reports by companies from 4 notifications to the ECHA C&L Inventory.

Hazard information

Regulatory InformationChemical: Boric acid (H3BO3), tripropyl ester

Hazard Classes and CategoriesFlam. Liq. 3 (100%)

Safety data

wgk: 2
tsca: TSCA listed
rtecs: ED5785000
ridadr: UN 1993 3/PG 3
hs_code: 29051210
risk_code: 10
Signal word: Warning
Symbol(GHS): GHS02,GHS07
safety_code: 16-33
hazard_class: 3
packing_group: II
Hazard statements: H226-H320-H303-H315-H319-H335
Precautionary statements: P210-P233-P240-P241+P242+P243-P264-P280-P303+P361+P353-P305+P351+P338+P337+P313-P370+P378-P403+P235-P501-P261-P305+P351+P338-P405-P501a

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationBoric acid (H3BO3), tripropyl ester: ACTIVE

Applications · 1 item

UsesTri-n-propyl borate is used as solvents or catalysts for the production of resins, waxes, paints and varnishes, antioxidants, flame retardants. It is also used for petroleum products, tackifiers for silicone elastomers, stabilizers and binders for rubbers or plastics and as cross-linking agents in polymerization processes. They are are used in welding fluxes.