4,4'-Dihydroxy-2,2',3,3',5,5'-hexamethylbiphenyl - ≥98% , CAS No.19956-76-4

CAS: 19956-76-4 Cat. No.: D302699 Molecular Weight: 270.37
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
DTXSID50350860 | MFCD00274654 | I12072 | 4,4'-Bi[2,3,6-trimethylphenol] | 4,4'-Dihydroxy-2,2',3,3',5,5'-hexamethylbiphenyl | AKOS032948066 | [1,1'-Biphenyl]-4,4'-diol, 2,2',3,3',5,5'-hexamethyl- | AS-69318 | 2,2',3,3',6,6'-hexamethyl-4,4'-biphenol | 2,2',
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
200mg
D302699-200mg
3

$16.90

$25.90
Save $9.00 (34.75%)
1g
D302699-1g
3

$60.90

$91.90
Save $31.00 (33.73%)
5g
D302699-5g
2

$212.90

$319.90
Save $107.00 (33.45%)
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

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
DTXSID50350860 | MFCD00274654 | I12072 | 4, 4'-Bi[2, 3, 6-trimethylphenol] | 4, 4'-Dihydroxy-2, 2', 3, 3', 5, 5'-hexamethylbiphenyl | AKOS032948066 | [1, 1'-Biphenyl]-4, 4'-diol, 2, 2', 3, 3', 5, 5'-hexamethyl- | AS-69318 | 2, 2', 3, 3', 6, 6'-hexamethyl-4, 4'-biphenol | 2, 2',
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488191103
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488191103
Canonical SmilesCC1=CC(=C(C(=C1O)C)C)C2=C(C(=C(C(=C2)C)O)C)C
IUPAC Name4-(4-hydroxy-2,3,5-trimethylphenyl)-2,3,6-trimethylphenol
InChIKeyIOJCFCLZQBXCIQ-UHFFFAOYSA-N
INCHI1S/C18H22O2/c1-9-7-15(11(3)13(5)17(9)19)16-8-10(2)18(20)14(6)12(16)4/h7-8,19-20H,1-6H3
Isomeric SMILES CC1=CC(=C(C(=C1O)C)C)C2=C(C(=C(C(=C2)C)O)C)C
Molecular Weight 270.37
Reaxy-Rn 2979978
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2979978&ln=

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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBiphenols
Intermediate Tree Nodes Not available
Direct ParentBiphenols
Alternative Parents Biphenyls and derivatives  Ortho cresols  Meta cresols  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Biphenol - Biphenyl - O-cresol - M-cresol - Phenol - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as biphenols. These are organic compounds containing two phenol groups linked together by a C-C bond.
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.

4 results found

Lot NumberCertificate TypeDateItem
K2526124Certificate of AnalysisDec 12, 2025 D302699
H2206547Certificate of AnalysisMay 12, 2025 D302699
H2206764Certificate of AnalysisMay 12, 2025 D302699
H2206765Certificate of AnalysisMay 12, 2025 D302699
Chemical and Physical Properties
Melt Point(°C)229 °C
Molecular Weight270.400 g/mol
XLogP35.000
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass270.162 Da
Monoisotopic Mass270.162 Da
Topological Polar Surface Area40.500 Ų
Heavy Atom Count20
Formal Charge0
Complexity297.000
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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