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ChemicalBook >> CAS DataBase List >> Octadecylphosphonic acid

Octadecylphosphonic acid

Octadecylphosphonic acid price.
  • $7 - $1250
  • Product name: Octadecylphosphonic acid
  • CAS: 4724-47-4
  • MF: C18H39O3P
  • MW: 334.47
  • EINECS:225-216-4
  • MDL Number:MFCD00015838
  • Synonyms:n-Octadecylphosphonic acid, 98 %;Octadecanephosphonic acid;octadecylphosphonic acid;N-OCTADECYLPHOSPHONIC ACID, 93+%;n-Octadecylphosphonicacid,min.97%;n-Octadecylphosphonic acid,min. 97%;stearylphosphonic acid;1-Octadecylphosphonic acid
Price39 Properties Safety Information Description
39 prices
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Brand
  • aablocks
  • AK Scientific
  • Ambeed
  • Apolloscientific
  • Arctom
  • Ark Pharm
  • Biosynth
  • Crysdot
  • Matrix Scientific
  • Sigma-Aldrich
  • Strem Chemicals
  • SynQuest Laboratories
  • Synthonix
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
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  • Manufactureraablocks
  • Product numberAA0035BW
  • Product descriptionOCTADECYL PHOSPHONIC ACID 98%
  • Packaging5g
  • Price$7
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0035BW
  • Product descriptionOCTADECYL PHOSPHONIC ACID 98%
  • Packaging25g
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0035BW
  • Product descriptionOCTADECYL PHOSPHONIC ACID 98%
  • Packaging100g
  • Price$29
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product number6430AB
  • Product descriptionOctadecylphosphonic Acid
  • Packaging1g
  • Price$139
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA281298
  • Product descriptionOctadecylphosphonic Acid 98%
  • Packaging25g
  • Price$20
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA281298
  • Product descriptionOctadecylphosphonic Acid 98%
  • Packaging100g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA281298
  • Product descriptionOctadecylphosphonic Acid 98%
  • Packaging500g
  • Price$225
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR55172
  • Product descriptionn-Octadecylphosphonic acid 97%
  • Packaging5g
  • Price$21
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR55172
  • Product descriptionn-Octadecylphosphonic acid 97%
  • Packaging25g
  • Price$25
  • Updated2026-06-04
  • Buy
  • ManufacturerArctom
  • Product numberCS-W011929
  • Product descriptionOctadecylphosphonic acid >=98%
  • Packaging100g
  • Price$31
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-W011929
  • Product descriptionOctadecylphosphonic acid >=98%
  • Packaging25g
  • Price$9
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-W011929
  • Product descriptionOctadecylphosphonic acid >=98%
  • Packaging500g
  • Price$129
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-W011929
  • Product descriptionOctadecylphosphonic acid >=98%
  • Packaging1kg
  • Price$228
  • Updated2026-05-26
  • Buy
  • ManufacturerArk Pharm
  • Product numberAK-96024
  • Product descriptionOctadecylphosphonic Acid 98%
  • Packaging100g
  • Price$71
  • Updated2021-12-16
  • Buy
  • ManufacturerArk Pharm
  • Product numberAK-96024
  • Product descriptionOctadecylphosphonic Acid 98%
  • Packaging25g
  • Price$24
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberFO62981
  • Product descriptionOctadecylphosphonic acid
  • Packaging25g
  • Price$192.25
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0035BW OCTADECYL PHOSPHONIC ACID 98% 5g $7 2026-05-28 Buy
aablocks AA0035BW OCTADECYL PHOSPHONIC ACID 98% 25g $8 2026-05-28 Buy
aablocks AA0035BW OCTADECYL PHOSPHONIC ACID 98% 100g $29 2026-05-28 Buy
AK Scientific 6430AB Octadecylphosphonic Acid 1g $139 2021-12-16 Buy
Ambeed A281298 Octadecylphosphonic Acid 98% 25g $20 2021-12-16 Buy
Ambeed A281298 Octadecylphosphonic Acid 98% 100g $60 2021-12-16 Buy
Ambeed A281298 Octadecylphosphonic Acid 98% 500g $225 2021-12-16 Buy
Apolloscientific OR55172 n-Octadecylphosphonic acid 97% 5g $21 2026-06-04 Buy
Apolloscientific OR55172 n-Octadecylphosphonic acid 97% 25g $25 2026-06-04 Buy
Arctom CS-W011929 Octadecylphosphonic acid >=98% 100g $31 2026-05-26 Buy
Arctom CS-W011929 Octadecylphosphonic acid >=98% 25g $9 2026-05-26 Buy
Arctom CS-W011929 Octadecylphosphonic acid >=98% 500g $129 2026-05-26 Buy
Arctom CS-W011929 Octadecylphosphonic acid >=98% 1kg $228 2026-05-26 Buy
Ark Pharm AK-96024 Octadecylphosphonic Acid 98% 100g $71 2021-12-16 Buy
Ark Pharm AK-96024 Octadecylphosphonic Acid 98% 25g $24 2021-12-16 Buy
Biosynth FO62981 Octadecylphosphonic acid 25g $192.25 2026-06-04 Buy
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Properties

Melting point :99℃
Boiling point :463.6±28.0 °C(Predicted)
Density :0.969
storage temp. :Store at room temperature
pka :2+-.0.10(Predicted)
form :Crystalline
color :White to off-white
Water Solubility :Insoluble in water.
Hydrolytic Sensitivity :4: no reaction with water under neutral conditions
Stability :Stable. Incompatible with strong oxidizing agents.
InChI :InChI=1S/C18H39O3P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(19,20)21/h2-18H2,1H3,(H2,19,20,21)
InChIKey :FTMKAMVLFVRZQX-UHFFFAOYSA-N
SMILES :P(CCCCCCCCCCCCCCCCCC)(=O)(O)O
CAS DataBase Reference :4724-47-4
EPA Substance Registry System :Phosphonic acid, octadecyl- (4724-47-4)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

n-Octadecylphosphonic acid is used in thermal paper for receipts, adding machines and tickets. It acts as surfactant, emulsifier, dispersants and chelating agents. Further, it is a long chain phosphonic acid compound utilized for proteomics research. In addition to this, it is used to prepare modified mesoporous magnetic nano particles through Lewis acid/base interaction.

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Suppliers and manufacturers

Sanmenxia Aoke Chemical Industry Co., Ltd. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. INTATRADE GmbH Alfa Aesar TCI (Shanghai) Development Co., Ltd. Beijing HwrkChemical Technology Co., Ltd Energy Chemical Hunan Hui Bai Shi Biotechnology Co., Ltd. Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.