Tripropyl borate - ≥99% , CAS No.688-71-1

CAS: 688-71-1 Cat. No.: T103078 Formula: C9H21BO3 Molecular Weight: 188.07 Beilstein Registry Number: 1(4)1436 EC Number: 211-703-9 PubChem CID: 12711
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
Q63409526 | EINECS 211-703-9 | Tris(propoxy)borane | Tri-n-propyl borate | tripropylborate | UNII-S3BF3RBA88 | LTEHWCSSIHAVOQ-UHFFFAOYSA- | NSC778 | NSC-778 | (n-C3H7O)3B | InChI=1/C9H21BO3/c1-4-7-11-10(12-8-5-2)13-9-6-3/h4-9H2,1-3H3 | A836268 | BORIC ACI
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
25ml
T103078-25ml
Made to order · 8–12 wks
€24.21
100ml
T103078-100ml
—
2 In stock
€63.26
500ml
T103078-500ml
—
2 In stock
€251.56
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Q63409526 | EINECS 211-703-9 | Tris(propoxy)borane | Tri-n-propyl borate | tripropylborate | UNII-S3BF3RBA88 | LTEHWCSSIHAVOQ-UHFFFAOYSA- | NSC778 | NSC-778 | (n-C3H7O)3B | InChI=1/C9H21BO3/c1-4-7-11-10(12-8-5-2)13-9-6-3/h4-9H2,1-3H3 | A836268 | BORIC ACI
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid
Canonical Smiles
B(OCCC)(OCCC)OCCC
IUPAC Name
tripropyl borate
InChIKey
LTEHWCSSIHAVOQ-UHFFFAOYSA-N
INCHI
1S/C9H21BO3/c1-4-7-11-10(12-8-5-2)13-9-6-3/h4-9H2,1-3H3
Isomeric SMILES
B(OCCC)(OCCC)OCCC
WGK Germany
2
RTECS
ED5785000
PubChem CID
12711
UN Number
1993
Molecular Weight
188.07
Beilstein
1(4)1436
Reaxy-Rn
1701561

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganic oxoanionic compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentOrganic oxoanionic compounds
Alternative Parents Organic metalloid salts  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organic borate - Organic metalloid salt - Hydrocarbon derivative - Organic salt - Organooxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organic oxoanionic compounds. These are organic compounds containing an oxoanion.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
K1820001Certificate of AnalysisJul 07, 2026 T103078
F2504167Certificate of AnalysisJun 14, 2025 T103078
F2517078Certificate of AnalysisJun 14, 2025 T103078
E2513004Certificate of AnalysisMay 21, 2025 T103078
F2511031Certificate of AnalysisMay 21, 2025 T103078
Chemical and Physical Properties
SensitivityMoisture Sensitive
Refractive Index1.3948
Flash Point(°F)32℃
Flash Point(°C)32℃
Boil Point(°C)175°C
Molecular Weight188.070 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count9
Exact Mass188.158 Da
Monoisotopic Mass188.158 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count13
Formal Charge0
Complexity81.800
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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