2-Carboxyethyl(phenyl)phosphinic acid
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2-Carboxyethyl(phenyl)phosphinic acid
structure -
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CAS No:
14657-64-8
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Formula:
C9H11O4P
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Chemical Name:
2-Carboxyethyl(phenyl)phosphinic acid
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Synonyms:
Propanoic acid,3-(hydroxyphenylphosphinyl)-;Propionic acid,3-(hydroxyphenylphosphinyl)-;3-(Hydroxyphenylphosphinyl)propanoic acid;2-Carboxyethyl(phenyl)phosphinic acid;3-(Phenylphosphinyl)propionic acid;3-(Hydroxyphenylphosphinyl)propionic acid;H 205 (flame retardant);H 205;Hiretar 205;2-Carboxylethyl(phenyl)phosphinic acid;Phosgard PF 100;PZ 1201
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CAS No:
2-Carboxyethyl(phenyl)phosphinic acid Basic Attributes
214.15500
214.15
604-530-9
DTXSID30461246
2931900090
Characteristics
84.41000
-0.1
white powder
1.35 g/cm3
156-157 °C @ Solvent: Water
526.6ºC at 760 mmHg
272.3ºC
1.554
6.43E-12mmHg at 25°C
Safety Information
R41
26-39
Xi
P280, P305+P351+P338, P310
H318
|Danger|H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]|P280, P305+P351+P338, and P310|H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]|Aggregated GHS information provided by 19 companies from 1 notifications to the ECHA C&L Inventory.
2-Carboxyethyl(phenyl)phosphinic acid Use and Manufacturing
A process for the production of 2-carboxyethylphenylphosphinic acid in accordance with the present invention without waste water, Next:(1) 1.0 mol of phenylphosphine dichloride was charged into a reaction vessel, stirred, heated to 80 ° C, 1 mol of acrylic acid was added dropwise, Finished warming to 110 deg C , heat 3 hours, cooling to 50 deg C ; (2) To the liquid obtained in the step (1), 2.0 mol of dichloropropane (secondary used mother liquor, Material complement), stirring;(3) to the step (2) to slowly drop 1.0mol of water, acid chloride intermediates and water hydrolysis reaction, drop finishedHeating to 90 DEG C, keeping for 3 hours, cooling to 20 DEG C to produce 2-carboxyethylphenylphosphinic acid, and recovering by-product hydrochloric acid.(4) The solid-liquid mixture obtained in step (3) was filtered, washed with dichloropropane, filtered again, placed in an oven, Baking at 130 ° C for 2 hours to obtain 2-carboxyethylphenylphosphinic acid, and the mother liquor was recovered in the next batch. The yield of 2-carboxyethylphenylphosphinic acid was 98.0percent, the melting point was 160.2 deg C , the acid value (mgKOH / g) was 522, the phosphorus content was 14.35percent, and the product quality was excellent.EXAMPLE 4 EXAMPLE 6
It is an important intermediate widely used in the preparation of organic phosphorus flame retardants, organic phosphorus pesticides, antioxidants, plasticizers, stabilizers, insecticides, catalysts and high-pressure lubricants, and paint molding agents.
Computed Properties
Molecular Weight:214.15
XLogP3:-0.1
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:4
Exact Mass:214.03949583
Monoisotopic Mass:214.03949583
Topological Polar Surface Area:74.6
Heavy Atom Count:14
Complexity:245
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2-Carboxyethyl(phenyl)phosphinic acid
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