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Diethyl (trichloromethyl)phosphonate

Diethyl (trichloromethyl)phosphonate Structure
Diethyl (trichloromethyl)phosphonate structure
CAS No.
866-23-9
Chemical Name:
Diethyl (trichloromethyl)phosphonate
Synonyms
Ro-30658;TIMTEC-BB SBB008195;DIETHYL TRICHLOROMETHYLPHOSPHONATE;diethyl trichloromethanephosphonate;Trichloromethylphosphonic acid diethyl;Diethyl (trichloromethyl)phosphonate 97%;(Trichloromethyl)phosphonic acid diethyl;Diethyl (Trichloromethyl)phosphonate >trichloromethyl-phosphonicacidiethylester;DIETHYL (TRICHLOROMETHYL)PHOSPHONATE, 97 %
CBNumber:
CB7725977
Molecular Formula:
C5H10Cl3O3P
Molecular Weight:
255.46
MDL Number:
MFCD00013666
MOL File:
866-23-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 03:02:19
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Diethyl (trichloromethyl)phosphonate Properties

Boiling point 130-131 °C/14 mmHg (lit.)
Density 1.362 g/mL at 25 °C (lit.)
refractive index n20/D 1.463(lit.)
Flash point >230 °F
storage temp. 2-8°C
form Liquid
color Colorless to Almost colorless
Water Solubility 4.5g/L(25 ºC)
BRN 1210640
InChI InChI=1S/C5H10Cl3O3P/c1-3-10-12(9,11-4-2)5(6,7)8/h3-4H2,1-2H3
InChIKey RVAQSYWDOSHWGP-UHFFFAOYSA-N
SMILES P(C(Cl)(Cl)Cl)(=O)(OCC)OCC
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P280a-P304+P340-P405-P501a-P261-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  Xi
Risk Statements  36/37/38-22
Safety Statements  26-36-60-36/37
RIDADR  UN3278
WGK Germany  3
RTECS  TA0988000
F  9-21
HazardClass  6.1
PackingGroup  III
HS Code  29319000
Storage Class 10 - Combustible liquids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
1
2 0

Diethyl (trichloromethyl)phosphonate price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical D4607 Diethyl (Trichloromethyl)phosphonate >96.0%(GC) 866-23-9 5g $112 2026-04-30 Buy
TCI Chemical D4607 Diethyl (Trichloromethyl)phosphonate >96.0%(GC) 866-23-9 25g $445 2026-04-30 Buy
Usbiological 274461 Diethyl (Trichloromethyl)phosphonate Asreported 866-23-9 2g $330 2026-06-03 Buy
Usbiological 274461 Diethyl (Trichloromethyl)phosphonate Asreported 866-23-9 5g $483 2026-06-03 Buy
Usbiological 274461 Diethyl (Trichloromethyl)phosphonate Asreported 866-23-9 10g $675 2026-06-03 Buy
Product number Packaging Price Buy
D4607 5g $112 Buy
D4607 25g $445 Buy
274461 2g $330 Buy
274461 5g $483 Buy
274461 10g $675 Buy

Diethyl (trichloromethyl)phosphonate Chemical Properties,Uses,Production

Chemical Properties

Colorless to Almost colorless clear liquid.

Uses

Diethyl (trichloromethyl)phosphonate may be used in the synthesis of chlorovinyl phosphonates via reaction with aldehydes and ketones.

Preparation

Diethyl trichloromethylphosphonate was also obtained from diethyltrimethylsilyl phosphite in 60 % yield, and from benzyldiethyl phosphite in the presence of dibenzoyl peroxide and an ultraviolet source in a radical induced reaction in 87 % yield (compared to 26 % without the dibenzoyl peroxide).

Application

Diethyl trichloromethylphosphonate has been used as a carbenoid precursor in the reaction with Bu3B.
Diethyl trichloromethylphosphonate is used mainly in the synthesis of 1,1-dichloro-1-alkenes from carbonyl compounds via Horner–Wadsworth–Emmons (HWE)-type reactions.
Diethyl trichloromethylphosphonate reacts with olefins under Cu(I) or Fe(III) catalysis to give insertion of the olefinic substrate into one of the C–Cl bonds.

General Description

Addition reaction of diethyl (trichloromethyl)phosphonate to olefins by non-chain catalytic reactions catalyzed by copper amine complexes has been reported. Irradiation of diethyl (trichloromethyl)phosphonate in MeCN is reported to afford corresponding monoesters and olefins, via photochemical type II elimination reaction.

Diethyl (trichloromethyl)phosphonate synthesis

56-23-5
122-52-1
866-23-9
75-00-3
Synthesis of Diethyl (trichloromethyl)phosphonate from Carbon tetrachloride and Triethyl phosphite

Diethyl (trichloromethyl)phosphonate Preparation Products And Raw materials

Raw materials

diazoethane trichloro-dichlorophosphoryl-methane DIETHYLPHOSPHORAMIDICACIDDIETHYLESTER 1,1,1-Trichloropropane Benzyl diethyl phosphite
1-Chloroadamantane TETRAETHYL PYROPHOSPHITE Bromotrichloromethane Diethylamine Ethanol
Triethyl phosphate Diethylamine hydrochloride

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Preparation Products

1,1,3,3-TETRAMETHYL-1,3-DISILACYCLOBUTANE Ethyl 2,4,6-trimethylbenzoate (2,2-Dichlorocyclopropyl)benzene

Diethyl (trichloromethyl)phosphonate Suppliers

Global( 79)Suppliers
Supplier Tel Email Country ProdList Advantage
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Hunan Hui Bai Shi Biotechnology Co., Ltd. 0731-85526065 13308475853 ivy@hnhbsj.com China 7236 62
Suzhou BEC Biological Technology Co., Ltd +86-512-68095917 17712685869 sales@bek.com.cn China 142 59
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23654 75
TCI AMERICA 800-4238616 sales@tciamerica.com Americas 23636 75
Supplier Advantage
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Shandong Xiya Chemical Co., Ltd 57
Tianjin heowns Biochemical Technology Co., Ltd. 57
Hunan Hui Bai Shi Biotechnology Co., Ltd. 62
Suzhou BEC Biological Technology Co., Ltd 59
TOKYO CHEMICAL INDUSTRY CO., LTD. 80
TCI Europe 75
TCI AMERICA 75

View Lastest Price from Diethyl (trichloromethyl)phosphonate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Diethyl (Trichloromethyl)phosphonate pictures 2026-08-07 Diethyl (Trichloromethyl)phosphonate
866-23-9
 $1.00 1KG 99% 20 tons Shaanxi Dideu Medichem Co. Ltd
Diethyl (trichloromethyl)phosphonate pictures 2022-07-16 Diethyl (trichloromethyl)phosphonate
866-23-9
 10g 98% 555g Zhengzhou Gecko Scientific Inc.
DIETHYL TRICHLOROMETHYLPHOSPHONATE pictures 2020-01-08 DIETHYL TRICHLOROMETHYLPHOSPHONATE
866-23-9
 $1.00 1KG 98%HPLC 10 tons/month Career Henan Chemical Co

Diethyl (trichloromethyl)phosphonate Spectrum

Diethyl (trichloromethyl)phosphonate(866-23-9)1HNMRDiethyl (trichloromethyl)phosphonate(866-23-9)RamanDiethyl (trichloromethyl)phosphonate(866-23-9)IR

866-23-9(Diethyl (trichloromethyl)phosphonate)Related Search:

Aprepitant Tenofovir disoproxil fumarate Methylphosphonic acid Diethyl methylphosphonate CHLOROMETHYLPHOSPHONIC ACID
(dichloromethyl)phosphonic acid DIETHYL (CHLOROMETHYL)PHOSPHONATE Diethyl (trichloromethyl)phosphonate

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trichloro-methanephosphonicacidiethylester trichloromethyl-phosphonicacidiethylester TIMTEC-BB SBB008195 DIETHYL TRICHLOROMETHYLPHOSPHONATE DIETHYL (TRICHLOROMETHYL)PHOSPHONATE, 97 % diethyl trichloromethanephosphonate Diethyl (trichloromethyl)phosphonate 97% 1-[ethoxy(trichloromethyl)phosphoryl]oxyethane (Trichloromethyl)phosphonic acid diethyl Ro-30658 Trichloromethylphosphonic acid diethyl Trichloromethylphosphonic acid diethyl ester Diethyl (Trichloromethyl)phosphonate > Phosphonic acid, P-(trichloromethyl)-, diethyl ester 866-23-9 C2H5O2POCCl3 CH3CH2O2POCCl3 C5H10Cl3O3P Organic Building Blocks Phosphonates/Phosphinates Phosphorus Compounds Building Blocks Building Blocks Chemical Synthesis Organic Building Blocks Phosphorus Compounds Phosphorus Compounds Phosphonates/Phosphinates Organic Building Blocks