Tetraethyl methylenebis(phosphonate)

Modify Date: 2025-08-22 11:40:03

Tetraethyl methylenebis(phosphonate) Structure
Tetraethyl methylenebis(phosphonate) structure
 Common Name Tetraethyl methylenebis(phosphonate)
CAS Number 1660-94-2 Molecular Weight 288.215
Density 1.1±0.1 g/cm3 Boiling Point 319.9±0.0 °C at 760 mmHg
Molecular Formula C9H22O6P2 Melting Point N/A
MSDS Chinese USA Flash Point 185.9±43.5 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name Tetraethyl methylenediphosphonate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 319.9±0.0 °C at 760 mmHg
Molecular Formula C9H22O6P2
Molecular Weight 288.215
Flash Point 185.9±43.5 °C
Exact Mass 288.089172
PSA 90.68000
LogP 0.50
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.428

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ9150000
CHEMICAL NAME :
Phosphonic acid, methylenedi-, tetraethyl ester
CAS REGISTRY NUMBER :
1660-94-2
BEILSTEIN REFERENCE NO. :
1813241
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C9-H22-O6-P2
MOLECULAR WEIGHT :
288.25
WISWESSER LINE NOTATION :
2OPO&O2&1PO&O2&O2

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 :
180 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#03139

 Safety Information

Symbol GHS07
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 S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS SZ9150000
HS Code 2916190090

 Synthetic Route

 Customs

HS Code 2916190090
Summary 2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

 Articles3

More Articles
W.S. Wadsworth

Org. React. 25 , 73, (1977)

H.P. Albrecht et al.

Tetrahedron 40 , 79, (1984)

N. Lalinde et al.

Tetrahedron 39 , 2369, (1983)

 Synonyms

1-[diethoxyphosphorylmethyl(ethoxy)phosphoryl]oxyethane
EINECS 216-764-5
MFCD00039887
Tetraethyl methylenebis(phosphonate)
Phosphonic acid, P,P'-methylenebis-, tetraethyl ester
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