(2-hydroxybenzyl)diphenylphosphine oxide - ≥98% , CAS No.70127-50-3

CAS: 70127-50-3 Cat. No.: H304440 Molecular Weight: 308.31 EC Number: 845-556-2
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Phenol, 2-[(diphenylphosphinyl)methyl]- | AT10037 | SY263919 | H1763 | 2-(diphenylphosphorylmethyl)phenol | NS-00168 | MLS000595037 | EN300-7463137 | 2-(Diphenylphosphinylmethyl)phenol | HMS2545N07 | SCHEMBL10824828 | SMR000184423 | 2-[(diphenylphosphoryl
Storage
Protected from light,Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
H304440-250mg
3

$9.90

$14.90
Save $5.00 (33.56%)
1g
H304440-1g
2

$15.90

$23.90
Save $8.00 (33.47%)
5g
H304440-5g
2

$27.90

$41.90
Save $14.00 (33.41%)
10g
H304440-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$44.90

$67.90
Save $23.00 (33.87%)
25g
H304440-25g
1

$59.90

$89.90
Save $30.00 (33.37%)
100g
H304440-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$238.90

$358.90
Save $120.00 (33.44%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

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

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged 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
Phenol, 2-[(diphenylphosphinyl)methyl]- | AT10037 | SY263919 | H1763 | 2-(diphenylphosphorylmethyl)phenol | NS-00168 | MLS000595037 | EN300-7463137 | 2-(Diphenylphosphinylmethyl)phenol | HMS2545N07 | SCHEMBL10824828 | SMR000184423 | 2-[(diphenylphosphoryl
Specifications & Purity
≥98%
Storage
Protected from light, Room temperature, Argon charged
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488191489
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488191489
Canonical SmilesC1=CC=C(C=C1)P(=O)(CC2=CC=CC=C2O)C3=CC=CC=C3
IUPAC Name2-(diphenylphosphorylmethyl)phenol
InChIKeyNQWHOPCJTGVYOX-UHFFFAOYSA-N
INCHI1S/C19H17O2P/c20-19-14-8-7-9-16(19)15-22(21,17-10-3-1-4-11-17)18-12-5-2-6-13-18/h1-14,20H,15H2
Isomeric SMILES C1=CC=C(C=C1)P(=O)(CC2=CC=CC=C2O)C3=CC=CC=C3
Molecular Weight 308.31
Reaxy-Rn 2944569
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2944569&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
SubclassPhenylphosphines and derivatives
Intermediate Tree Nodes Not available
Direct ParentPhenylphosphines and derivatives
Alternative Parents 1-hydroxy-4-unsubstituted benzenoids  1-hydroxy-2-unsubstituted benzenoids  Organopnictogen compounds  Organophosphorus compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Phenylphosphine - Phenol - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organophosphorus compound - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenylphosphines and derivatives. These are compounds containing a phenylphosphine, which consists of phosphine substituent bound to a phenyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
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
C2630086Certificate of AnalysisApr 15, 2026 H304440
B2211096Certificate of AnalysisDec 12, 2024 H304440
B2211097Certificate of AnalysisDec 12, 2024 H304440
B2211370Certificate of AnalysisDec 12, 2024 H304440
B2211374Certificate of AnalysisDec 12, 2024 H304440
Chemical and Physical Properties
SensitivityLight Sensitive,Air Sensitive
Boil Point(°C)465.1±28.0℃at 760 mmHg
Melt Point(°C)178 °C
Molecular Weight308.300 g/mol
XLogP33.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count4
Exact Mass308.097 Da
Monoisotopic Mass308.097 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count22
Formal Charge0
Complexity361.000
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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