Triisopropyl phosphite - ≥95% , CAS No.116-17-6

CAS: 116-17-6 Cat. No.: T106621 Molecular Weight: 208.24 Beilstein Registry Number: 1701528 EC Number: 204-130-0 PubChem CID: 8304
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
AKOS009028942 | Phosphorous Acid Triisopropyl Ester | Triisopropoxyphosphine | tris(propan-2-yl) phosphite | ISOPROPYL PHOSPHITE ((C3H7O)3P) [HSDB] | Isopropyl phosphite, ((C3H7O)3P) | Tri-i-propylphosphite | Triisopropylphosphite | Isopropyl phosphite ((
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5ml
T106621-5ml
3
$9.90
25ml
T106621-25ml
10
$19.90
100ml
T106621-100ml
1
$52.90
500ml
T106621-500ml
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$169.90
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Why this grade

≥95% 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
AKOS009028942 | Phosphorous Acid Triisopropyl Ester | Triisopropoxyphosphine | tris(propan-2-yl) phosphite | ISOPROPYL PHOSPHITE ((C3H7O)3P) [HSDB] | Isopropyl phosphite, ((C3H7O)3P) | Tri-i-propylphosphite | Triisopropylphosphite | Isopropyl phosphite ((
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Canonical SmilesCC(C)OP(OC(C)C)OC(C)C
IUPAC Nametripropan-2-yl phosphite
InChIKeySJHCUXCOGGKFAI-UHFFFAOYSA-N
INCHI1S/C9H21O3P/c1-7(2)10-13(11-8(3)4)12-9(5)6/h7-9H,1-6H3
Isomeric SMILES CC(C)OP(OC(C)C)OC(C)C
WGK Germany 3
RTECS TH2800000
PubChem CID 8304
UN Number 3278
Molecular Weight 208.24
Beilstein 1701528

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
SuperclassOrganophosphorus compounds
ClassTrialkylphosphites
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentTrialkylphosphites
Alternative Parents Organic phosphites  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkylphosphite - Organic phosphite - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkylphosphites. These are organic compounds containing a phosphorous acid, which is tri-esterified with alkyl groups.
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.

18 results found

Lot NumberCertificate TypeDateItem
K2408144Certificate of AnalysisMay 20, 2026 T106621
A2415529Certificate of AnalysisApr 03, 2026 T106621
A2415532Certificate of AnalysisApr 03, 2026 T106621
A2415528Certificate of AnalysisApr 03, 2026 T106621
L2509614Certificate of AnalysisNov 26, 2025 T106621
L2509613Certificate of AnalysisNov 26, 2025 T106621
L2509612Certificate of AnalysisNov 26, 2025 T106621
L2319090Certificate of AnalysisJul 10, 2025 T106621
C2513725Certificate of AnalysisMar 25, 2025 T106621
C2513729Certificate of AnalysisMar 25, 2025 T106621
C2513878Certificate of AnalysisMar 25, 2025 T106621
C2330821Certificate of AnalysisApr 07, 2023 T106621
C2330832Certificate of AnalysisApr 07, 2023 T106621
C2330820Certificate of AnalysisApr 07, 2023 T106621
F2202287Certificate of AnalysisJun 15, 2022 T106621
B2218595Certificate of AnalysisMay 23, 2022 T106621
B2218591Certificate of AnalysisMay 23, 2022 T106621
B2218590Certificate of AnalysisMay 23, 2022 T106621

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Chemical and Physical Properties
SensitivityMoisture sensitive
Refractive Index1.411
Flash Point(°F)154.4 °F
Flash Point(°C)62℃
Boil Point(°C)63°C
Molecular Weight208.230 g/mol
XLogP32.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count6
Exact Mass208.123 Da
Monoisotopic Mass208.123 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count13
Formal Charge0
Complexity102.000
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
Solution Calculators
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