(2-Hydroxyethyl)phosphonic acid - ≥95% , CAS No.22987-21-9

CAS: 22987-21-9 Cat. No.: P695029 Formula: C2H7O4P Molecular Weight: 126.05 EC Number: 245-370-6 PubChem CID: 89954
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
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Size
Germany (EU)
USA*
Price
Qty
50mg
P695029-50mg
Made to order · 8–12 wks
€34.62
250mg
P695029-250mg
Made to order · 8–12 wks
€103.17
1g
P695029-1g
Made to order · 8–12 wks
€255.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Store at -20°C,Desiccated Ships Ice chest + Ice pads 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

Specifications & Purity
≥95%
Storage
Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Canonical SmilesC(CP(=O)(O)O)O
IUPAC Name2-hydroxyethylphosphonic acid
InChIKeySEHJHHHUIGULEI-UHFFFAOYSA-N
INCHI1S/C2H7O4P/c3-1-2-7(4,5)6/h3H,1-2H2,(H2,4,5,6)
Isomeric SMILES C(CP(=O)(O)O)O
PubChem CID 89954
Molecular Weight 126.05

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 acids and derivatives
ClassOrganic phosphonic acids and derivatives
SubclassOrganic phosphonic acids
Intermediate Tree Nodes Not available
Direct ParentOrganic phosphonic acids
Alternative Parents Primary alcohols  Organopnictogen compounds  Organophosphorus compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organophosphonic acid - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Primary alcohol - Organophosphorus compound - Organooxygen compound - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organic phosphonic acids. These are organic compounds containing phosphonic acid.
External Descriptors phosphonic acids
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
PPARG Tclin Peroxisome proliferator-activated receptor gamma (15191 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
PPARA Tclin Peroxisome proliferator-activated receptor alpha (9197 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

3 results found

Lot NumberCertificate TypeDateItem
I2615722Certificate of AnalysisApr 29, 2026 P695029
I2615766Certificate of AnalysisApr 29, 2026 P695029
I2615767Certificate of AnalysisApr 29, 2026 P695029
Chemical and Physical Properties
Molecular Weight126.050 g/mol
XLogP3-2.300
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass126.008 Da
Monoisotopic Mass126.008 Da
Topological Polar Surface Area77.800 Ų
Heavy Atom Count7
Formal Charge0
Complexity83.700
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
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥95% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at ?20 °C, desiccated. Keep the container tightly closed with desiccant — the material is moisture-sensitive.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 22987-21-9, the molecular formula is C2H7O4P, and the molecular weight is 126.05 g/mol. InChIKey SEHJHHHUIGULEI-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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