1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane - ≥95%(GC) , CAS No.5931-17-9

CAS: 5931-17-9 Cat. No.: B151954 Molecular Weight: 278.54 Beilstein Registry Number: 4(4)4087 EC Number: 611-816-7
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GRADE & PURITY ≥95%(GC)
Synonyms
C12H30O3Si2 | DTXSID80377681 | 1,3-BIS(4-HYDROXYBUTYL)TETRAMETHYLDISILOXANE? | 4-[[4-hydroxybutyl(dimethyl)silyl]oxy-dimethylsilyl]butan-1-ol | 1-Butanol, 4,4'-(1,1,3,3-tetramethyl-1,3-disiloxanediyl)bis- | 1,3-bis(4-hydroxybutyl) tetramethyl disiloxane |
Storage
Room temperature
Shipped In
Normal
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Size
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Price
Qty
250mg
B151954-250mg
3

$47.90

$59.90
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1g
B151954-1g
3
$172.90
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Why this grade

≥95%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
C12H30O3Si2 | DTXSID80377681 | 1, 3-BIS(4-HYDROXYBUTYL)TETRAMETHYLDISILOXANE? | 4-[[4-hydroxybutyl(dimethyl)silyl]oxy-dimethylsilyl]butan-1-ol | 1-Butanol, 4, 4'-(1, 1, 3, 3-tetramethyl-1, 3-disiloxanediyl)bis- | 1, 3-bis(4-hydroxybutyl) tetramethyl disiloxane |
Specifications & Purity
≥95%(GC)
Storage
Room temperature
Shipped In
Normal
Purity
≥95%(GC)
Names and Identifiers
Pubchem Sid488193404
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488193404
Canonical SmilesC[Si](C)(CCCCO)O[Si](C)(C)CCCCO
IUPAC Name4-[[4-hydroxybutyl(dimethyl)silyl]oxy-dimethylsilyl]butan-1-ol
InChIKeyOWJKJLOCIDNNGJ-UHFFFAOYSA-N
INCHI1S/C12H30O3Si2/c1-16(2,11-7-5-9-13)15-17(3,4)12-8-6-10-14/h13-14H,5-12H2,1-4H3
Isomeric SMILES C[Si](C)(CCCCO)O[Si](C)(C)CCCCO
Molecular Weight 278.54
Beilstein 4(4)4087
Reaxy-Rn 1767695
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1767695&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganometallic compounds
ClassOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Siloxanes
Direct ParentDisiloxanes
Alternative Parents Trialkylheterosilanes  Organic metalloid salts  Primary alcohols  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Disiloxane - Trialkylheterosilane - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Primary alcohol - Organooxygen compound - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as disiloxanes. These are organosilicon compounds with the general formula H[Si](R)(R')O[Si](H)(R'')R''' (R= organyl, R'-R'''= H or organyl).
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.

7 results found

Lot NumberCertificate TypeDateItem
K2219172Certificate of AnalysisJun 09, 2026 B151954
K2219179Certificate of AnalysisJun 09, 2026 B151954
A2404277Certificate of AnalysisOct 13, 2025 B151954
A2404278Certificate of AnalysisOct 13, 2025 B151954
C2315981Certificate of AnalysisDec 11, 2024 B151954
L2426299Certificate of AnalysisJun 28, 2024 B151954
J2130352Certificate of AnalysisAug 02, 2023 B151954
Chemical and Physical Properties
Refractive Index1.45
Boil Point(°C)185°C/5mmHg(lit.)
Molecular Weight278.530 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count10
Exact Mass278.173 Da
Monoisotopic Mass278.173 Da
Topological Polar Surface Area49.700 Ų
Heavy Atom Count17
Formal Charge0
Complexity176.000
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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