Pentanoic acid, 4-(methoxymethylphosphinyl)-2,2,4-trimethyl-3-oxo-, methyl ester

Modify Date: 2025-08-24 11:15:58

Pentanoic acid, 4-(methoxymethylphosphinyl)-2,2,4-trimethyl-3-oxo-, methyl ester Structure
Pentanoic acid, 4-(methoxymethylphosphinyl)-2,2,4-trimethyl-3-oxo-, methyl ester structure
Common Name Pentanoic acid, 4-(methoxymethylphosphinyl)-2,2,4-trimethyl-3-oxo-, methyl ester
CAS Number 32674-72-9 Molecular Weight 264.25500
Density 1.095g/cm3 Boiling Point 313.9ºC at 760 mmHg
Molecular Formula C11H21O5P Melting Point N/A
MSDS N/A Flash Point 157.5ºC

 Names

Name methyl 4-[methoxy(methyl)phosphoryl]-2,2,4-trimethyl-3-oxopentanoate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.095g/cm3
Boiling Point 313.9ºC at 760 mmHg
Molecular Formula C11H21O5P
Molecular Weight 264.25500
Flash Point 157.5ºC
Exact Mass 264.11300
PSA 79.48000
LogP 2.08760
Index of Refraction 1.438
InChIKey AUQMJOGZCWKRMW-UHFFFAOYSA-N
SMILES COC(=O)C(C)(C)C(=O)C(C)(C)P(C)(=O)OC

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YV7650000
CHEMICAL NAME :
Valeric acid, 4-(p-methoxy-p-methylphosphinyl)-3-oxo-2,2,4-trimethy l-, methyl ester
CAS REGISTRY NUMBER :
32674-72-9
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H21-O5-P

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04873

 Safety Information

HS Code 2931900090

 Customs

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%

 Synonyms

4-(p-Methoxy-p-methylphosphinyl)-3-oxo-2,2,4-trimethylvaleric acid methyl ester
Methyl 4-(methoxy(methyl)phosphoryl)-2,2,4-trimethyl-3-oxopentanoate
Methyl-<-5-methoxy-3,5-dioxo-2,4,4-trimethyl-pentyl-(2)>-phosphinsaeure-methylester
Valeric acid,4-(p-methoxy-p-methylphosphinyl)-3-oxo-2,2,4-trimethyl-,methyl ester
Methyl 4-((methoxy)methylphosphinyl)-2,2,4-trimethyl-3-oxovalerate
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