Shanghai Nianxing Industrial Co., Ltd
China
Product Name: diethyl trichloromethylphosphonate
Price: Check
Purity: 96.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Phosphonic acid,P-(trichloromethyl)-, diethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

866-23-9

866-23-9 structure

866-23-9 structure

Name: diethyl trichloromethylphosphonate
Chemical Name: 1-[ethoxy(trichloromethyl)phosphoryl]oxyethane
CAS Number: 866-23-9
Molecular Formula: C₅H₁₀Cl₃O₃P
Molecular Weight: 255.46400
Catalog: Organic raw materials Organic phosphine compound
Create Date: 2018-08-29 14:33:37
Modify Date: 2025-08-30 17:08:28

Name	1-[ethoxy(trichloromethyl)phosphoryl]oxyethane
Synonyms	trichloromethanephosphonic acid diethyl ester diethyl 1,1,1-trichloromethylphosphonate Methanephosphonic acid,trichloro-,diethyl ester Phosphonic acid,trichloromethyl-,diethyl ester MFCD00013666 Ro 3-0658 diethyl trichloromethanephosphonate

Density	1.362 g/mL at 25ºC(lit.)
Boiling Point	126ºC (0.3 torr)
Molecular Formula	C₅H₁₀Cl₃O₃P
Molecular Weight	255.46400
Flash Point	>230 °F
Exact Mass	253.94300
PSA	45.34000
LogP	3.58020
Appearance	Liquid
Index of Refraction	n20/D 1.463(lit.)
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TA0988000

CHEMICAL NAME :: Phosphonic acid, trichloromethyl-, diethyl ester

CAS REGISTRY NUMBER :: 866-23-9

BEILSTEIN REFERENCE NO. :: 1210640

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C5-H10-Cl3-O3-P

MOLECULAR WEIGHT :: 255.47

WISWESSER LINE NOTATION :: GXGGPO&O2&O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,20,1953

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 720 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FATOBP Farmakologiya i Toksikologiya (Kiev). Pharmacology and Toxicology. (Kievskii Nauchno- Issledovatel'skii Institut Farmakologii i Toksikologii, Kiev, USSR) No.1- 1964- Volume(issue)/page/year: 10,121,1975

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 320 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#00008

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	26-36
RIDADR	UN3278
WGK Germany	3
RTECS	TA0988000
Packaging Group	III
Hazard Class	6.1
HS Code	2931900090

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%

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