C18H39O3P
334.5 g/mol
Industrial ChemicalWarning
Octadecylphosphonic acid
CAS4724-47-4EC225-216-4
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Thermal paper coating component
Octadecylphosphonic acid is a chemical compound used in the coating of thermal paper, which is commonly found in receipts, tickets, and adding machine rolls. Its long alkyl chain and phosphonic acid group contribute to its function as a surface-active component in such coatings.
Thermal paper coating component
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongStructure SimilarSimilarity 1.00
Octylphosphonic acid
CAS4724-48-5
Pigment component in household products
StrongStructure SimilarSimilarity 1.00
Dodecylphosphonic acid
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Organophosphorus compound for surface modification
StrongStructure SimilarSimilarity 1.00
Phosphonic acid, tetradecyl-
CAS4671-75-4
research compound
StrongStructure SimilarSimilarity 1.00
Hexadecylphosphonic acid
CAS4721-17-9
organophosphorus compound surfactant
ReferenceSame Category
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Pharmaceutical intermediate and research compound
ReferenceSame Category
1-ETHYL-1-(3,3,5-TRIMETHYLCYCLOHEXYL)PYRROLIDIN-1-IUM HYDROXIDE
CAS472976-63-9
structure directing agent
ReferenceSame Category
Dichloramine B
CAS473-29-0
Disinfectant and antiseptic agent
ReferenceSame Category
Cyclopentyl isocyanate
CAS4747-71-1
Isocyanate reagent for synthesis
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Octadecylphosphonic acid (CAS 4724-47-4) is 2931.49.
HS code (international, 6-digit)
2931.49
EU CN code (8-digit)
2931 49 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
octadecylphosphonic acid
InChIKey
FTMKAMVLFVRZQX-UHFFFAOYSA-N
SMILES
CCCCCCCCCCCCCCCCCCP(=O)(O)O
Synonyms (10)
- 6E0
- 1-Octadecanephosphonic acid
- 1-octadecylphosphonic acid
- Octadecylphosphonic acid
- P-Octadecylphosphonic acid
- Phosphonic acid, P-octadecyl-
- Phosphonic acid, octadecyl-
- n-octadecylphosphonic acid
- octadecanephosphonic acid
- stearylphosphonic acid
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