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Name	1-DODECANEPHOSPHONIC ACID	EINECS	225-897-8
CAS No.	5137-70-2	Density	1.018 g/cm³
PSA	67.34000	LogP	4.08500
Solubility	Sparingly soluble in water.	Melting Point	68-70°C
Formula	C12H27 O3 P	Boiling Point	383.8 °C at 760 mmHg
Molecular Weight	250.318	Flash Point	185.9 °C
Transport Information	N/A	Appearance	N/A
Safety	Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of PO_x.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	Phosphonicacid, dodecyl- (6CI,7CI,8CI,9CI); 1-Dodecanephosphonic acid; Dodecanephosphonicacid; Dodecylphosphonic acid; NSC 407872; n-Dodecanephosphonic acid;n-Dodecylphosphonic acid	Article Data	11

1-DODECANEPHOSPHONIC ACID Synthetic route

: 16693-57-5
dodecylphosphonate de dimethyle

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
With trimethylsilyl bromide In dichloromethane at 40℃; for 3h;	90%

: 143-15-7
1-dodecylbromide

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
Stage #1: 1-dodecylbromide With potassium hydroxide semihydrate; phosphorus; cetyltrimethylammonim bromide In water; toluene at 85 - 90℃; for 6h; Inert atmosphere; Stage #2: With nitric acid In water at 100 - 110℃; for 2h; pH=4; Inert atmosphere;	61%
Multi-step reaction with 2 steps 1: hexane 2: concentrated aqueous HCl View Scheme
Stage #1: 1-dodecylbromide With triethyl phosphite In water at 160 - 190℃; for 4h; Stage #2: With hydrogen bromide In water for 3h; Reflux;

: 5929-68-0
dodecyl-phosphonic acid dibutyl ester

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
With hydrogenchloride
With hydrogen bromide

: C18H43O3PSi2

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
With methanol In dichloromethane for 1h;
With water In acetone at 20℃; for 1h;
With methanol for 0.166667h;

: 112-41-4
1-dodecene

2,3-didecyl-1,3-butadiene2-decyl-1,3-tetradecadiene: 2,3-didecyl-1,3-butadiene2-decyl-1,3-tetradecadiene

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 70 percent / di-tert-butyl peroxide / 10 h / 135 °C 2: 90 percent / BrSiMe3 / CH2Cl2 / 3 h / 40 °C View Scheme

: 4844-38-6
diethyl n-dodecylphosphonate

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: CH2Cl2 / 1.5 h / 0 - 20 °C 2: H2O / acetone / 1 h / 20 °C View Scheme
Multi-step reaction with 2 steps 1: CH2Cl2 / 2 h / 20 °C 2: MeOH / CH2Cl2 / 1 h View Scheme

: 112-41-4
1-dodecene

O2: O2

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 95 percent / (tBuO)2 / 15 h / 135 °C 2: CH2Cl2 / 2 h / 20 °C 3: MeOH / CH2Cl2 / 1 h View Scheme

: 143-15-7
1-dodecylbromide

copper (I)-benzenethiolate: copper (I)-benzenethiolate

: 5137-70-2
dodecylphosphonic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 2: aq. HBr View Scheme

: K8[γ-SiW10O36]*12H2O

: 5137-70-2
dodecylphosphonic acid

: 64-20-0
tetramethylammonium bromide

: γ-(tetramethylammonium)3K[SiW10O36(OPC12H25)2]

Conditions

Conditions	Yield
With hydrogenchloride In acetonitrile Reflux;	70%

: 5137-70-2
dodecylphosphonic acid

: α-Na10[SiW9O34]

: 64-20-0
tetramethylammonium bromide

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: (tetramethylammonium)2,5Na3,5[SiW9O34(OPC12H25)2] dimethylformamide solvate

Conditions

Conditions	Yield
With hydrogenchloride at 100℃;	70%

1-DODECANEPHOSPHONIC ACID Chemical Properties

Product Name:N-DODECYLPHOSPHONIC ACID
Synonyms:1-dodecanephosphonicacid;dodecylphosphonicacid;n-dodecanephosphonicacid;DDPA;LABOTEST-BB LT00408923;N-DODECYLPHOSPHONIC ACID;n-Dodecylphosphonicacid,min.97%;
EINECS: 225-897-8

1-DODECANEPHOSPHONIC ACID is the chemical compound with the formula C₁₂H₂₇O₃P.Its Molecular Weight is 250.31. Its melting point is 68-70°C .

1-DODECANEPHOSPHONIC ACID Toxicity Data With Reference

ipr-mus LDLo:500 mg/kg

CBCCT* “Summary Tables of Biological Tests” National Research Council Chemical-Biological Coordination Center. 9 (1957),132.

1-DODECANEPHOSPHONIC ACID Consensus Reports

1-DODECANEPHOSPHONIC ACID is reported in EPA TSCA Inventory.

1-DODECANEPHOSPHONIC ACID Safety Profile

Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of PO_x.

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