Phosphonic acid,P-butyl

Modify Date: 2026-07-06 19:04:06

Phosphonic acid,P-butyl Structure
Phosphonic acid,P-butyl structure
Common Name Phosphonic acid,P-butyl
CAS Number 3321-64-0 Molecular Weight 138.10200
Density 1.214g/cm3 Boiling Point 274.8ºC at 760mmHg
Molecular Formula C4H11O3P Melting Point 105-107ºC
MSDS Chinese USA Flash Point 120ºC
Symbol GHS05
GHS05
Signal Word Danger

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name butylphosphonic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.214g/cm3
Boiling Point 274.8ºC at 760mmHg
Melting Point 105-107ºC
Molecular Formula C4H11O3P
Molecular Weight 138.10200
Flash Point 120ºC
Exact Mass 138.04500
PSA 67.34000
LogP 0.96420
InChIKey UOKRBSXOBUKDGE-UHFFFAOYSA-N
SMILES CCCCP(=O)(O)O

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Supplemental HS Reacts violently with water.
Precautionary Statements P280-P305 + P351 + P338-P310
Risk Phrases 34
Safety Phrases 26-36/37/39
RIDADR UN 3261
Packaging Group III
HS Code 2931900090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

Phosphonic acid,P-butyl Structure

Phosphonic acid...

CAS#:3321-64-0

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Literature: Kosolapoff Journal of the American Chemical Society, 1945 , vol. 67, p. 1182 Full Text Show Details Monsanto Chem.Co. Patent: US2397422 , 1945 ; Full Text Show Details Arbusow; Arbusowa Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1930 , vol. 62, p. 1535 Chem. Zentralbl., 1931 , vol. 102, # I p. 1093

~%

Phosphonic acid,P-butyl Structure

Phosphonic acid...

CAS#:3321-64-0

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Literature: Stiles et al. Journal of the American Chemical Society, 1952 , vol. 74, p. 3282

~%

Phosphonic acid,P-butyl Structure

Phosphonic acid...

CAS#:3321-64-0

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Literature: Kosolapoff; McCullough Journal of the American Chemical Society, 1951 , vol. 73, p. 855

~%

Phosphonic acid,P-butyl Structure

Phosphonic acid...

CAS#:3321-64-0

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Literature: Mingalyov; Buchnev; Lisichkin Russian Chemical Bulletin, 2001 , vol. 50, # 9 p. 1693 - 1695

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  1

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Articles1

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Allosteric regulation of phosphonoacetaldehyde hydrolase by n-butylphosphonic acid.

Biochem. J. 280 ( Pt 2) , 557-9, (1991)

The effect of n-butylphosphonic acid on the activity of phosphonoacetaldehyde hydrolase from Pseudomonas aeruginosa was investigated: at low concentrations this compound appeared as an activator of th...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00012295
butanephosphonic acid
Disodium butylphosphonate
Butylphosphonic acid
1-BUTYLPHOSPHONIC ACID
1-BUTANEPHOSPHONIC ACID
Phosphonic acid,butyl
n-Butylphosphonic acid

 Phosphonic acid,P-butyl | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of butylphosphonic acid?
A: InChIKey of butylphosphonic acid is UOKRBSXOBUKDGE-UHFFFAOYSA-N.
Q: What is the molecular formula of butylphosphonic acid?
A: Molecular formula of butylphosphonic acid is C4H11O3P.
Q: What is the LogP of butylphosphonic acid?
A: LogP of butylphosphonic acid is 0.96420.
Q: What is the molecular weight of butylphosphonic acid?
A: Molecular weight of butylphosphonic acid is 138.10200.
Q: What is the boiling point of butylphosphonic acid?
A: Boiling point of butylphosphonic acid is 274.8ºC at 760mmHg.
Q: What is the CAS number of butylphosphonic acid?
A: CAS number of butylphosphonic acid is 3321-64-0.
Q: What is the polar surface area (PSA) of butylphosphonic acid?
A: Polar surface area (PSA) of butylphosphonic acid is 67.34000.
Q: What English synonyms does butylphosphonic acid have?
A: English synonyms of butylphosphonic acid: MFCD00012295, butanephosphonic acid, Disodium butylphosphonate, Butylphosphonic acid, 1-BUTYLPHOSPHONIC ACID, 1-BUTANEPHOSPHONIC ACID, Phosphonic acid,butyl, n-Butylphosphonic acid.
Q: What is the melting point of butylphosphonic acid?
A: Melting point of butylphosphonic acid is 105-107ºC.
Q: What are the downstream products of butylphosphonic acid?
A: Related downstream products(CAS) of butylphosphonic acid: 71-36-3.

 Phosphonic acid,P-butylfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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