Diethyl phosphite

Modify Date: 2024-01-02 13:02:12

Diethyl phosphite Structure
Diethyl phosphite structure
 Common Name Diethyl phosphite
CAS Number 762-04-9 Molecular Weight 138.10200
Density 1.072 g/mL at 25 °C(lit.) Boiling Point 50-51 °C2 mm Hg(lit.)
Molecular Formula C4H11O3P Melting Point -70 °C
MSDS Chinese USA Flash Point 180 °F
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name diethyl phosphonate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.072 g/mL at 25 °C(lit.)
Boiling Point 50-51 °C2 mm Hg(lit.)
Melting Point -70 °C
Molecular Formula C4H11O3P
Molecular Weight 138.10200
Flash Point 180 °F
Exact Mass 138.04500
PSA 59.00000
LogP 1.44910
Index of Refraction n20/D 1.407(lit.)
Stability Stable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, strong bases. May decompose on exposure to moisture. Combustible.
Water Solubility miscible (hydrolysis)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TG7875000
CHEMICAL NAME :
Phosphorous acid, diethyl ester
CAS REGISTRY NUMBER :
762-04-9
BEILSTEIN REFERENCE NO. :
0605759
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C4-H11-O3-P
MOLECULAR WEIGHT :
138.12
WISWESSER LINE NOTATION :
2OPQO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3900 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ALBRW* Albright & Wilson Inc. (P.O. Box 26229, Richmond, VA 23260-6229) Volume(issue)/page/year: #OPB-3,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2020 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82805 No. of Facilities: 41 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 352 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82805 No. of Facilities: 84 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 505 (estimated)

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313
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;R43
Safety Phrases S26-S36/37/39-S37/39-S28-S27
RIDADR NA 1993 / PGIII
WGK Germany 1
RTECS TG7875000

 Synthetic Route

 Articles5

More Articles
Silver-catalyzed radical phosphonofluorination of unactivated alkenes.

J. Am. Chem. Soc. 135(38) , 14082-5, (2013)

We report herein a mild and catalytic phosphonofluorination of unactivated alkenes. With catalysis by AgNO3, the condensation of various unactivated alkenes with diethyl phosphite and Selectfluor reag...

Efficient cross-coupling of functionalized arylzinc halides catalyzed by a nickel chloride-diethyl phosphite system.

Org. Lett. 7(22) , 4871-4, (2005)

[reaction: see text] The combination of diethyl phosphite and DMAP as ligands for nickel in an 8:1 THF-N-ethylpyrrolidinone (NEP) mixture allows a very efficient cross-coupling reaction to be performe...

A method for synthesis of homoallylic bromide.

J. Org. Chem. 78(12) , 5918-24, (2013)

Cyclopropyl Grignard reagents react with carbonyl compounds in the presence of diethyl phosphite to give homoallylic bromides. The reaction is effectively carried out under mild conditions in a one-po...

 Synonyms

EINECS 212-091-6
MFCD00044573
Diethyl phosphite
diethoxy(oxo)phosphanium
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