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Phosphorus trichloride

CP

Synonym(s):

Phosphorus(III) chloride

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About This Item

Linear Formula:
PCl3
CAS Number:
7719-12-2
Molecular Weight:
137.33
EC Number:
231-749-3
UNSPSC Code:
12352300
PubChem Substance ID:
329752622
Beilstein/REAXYS Number:
969177
MDL number:
MFCD00011438
Grade:
CP
Bp:
74-78 °C (lit.)
Vapor pressure:
100 mmHg ( 20 °C), 125 mmHg ( 25 °C), 385 mmHg ( 55 °C)
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grade

CP

vapor density

4.75 (vs air)

vapor pressure

100 mmHg ( 20 °C), 125 mmHg ( 25 °C), 385 mmHg ( 55 °C)

form

liquid

availability

available only in Japan

dilution

(for analytical testing)

refractive index

n20/D 1.5148 (lit.)

bp

74-78 °C (lit.)

mp

−112 °C (lit.)

density

1.574 g/mL at 20 °C (lit.)

SMILES string

ClP(Cl)Cl

InChI

1S/Cl3P/c1-4(2)3

InChI key

FAIAAWCVCHQXDN-UHFFFAOYSA-N

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Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A - STOT RE 2 Inhalation

target_organs

Respiratory Tract

supp_hazards

EUH014,EUH029

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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Petri A Turhanen et al.
Organic & biomolecular chemistry, 1(18), 3223-3226 (2003-10-07)
Methods for the preparation of mixed tetra-amide esters 1 and 2, the partial amide ester 3, and tri- and P,P-diamides 4 and 5 from monophosphorus spieces 12, 8 and 9, respectively, were developed. Compounds 8 and 9 were obtained from
Phosphorus trichloride-mediated and microwave-assisted synthesis of a small collection of amides bearing strong electron-withdrawing group substituted anilines.
Matteo Colombo et al.
Journal of combinatorial chemistry, 11(3), 335-337 (2009-03-31)
Núria Mont et al.
Molecular diversity, 13(1), 39-45 (2008-11-28)
A protocol for the synthesis of N-substituted 2-hydro-4-amino-pyrido[2,3-d]pyrimidin-7(8H)-ones (11) is described. Thus, the formylation of a 2-aminopyridone 12 in 85% formic acid/Ac(2)O, proceeding via in situ cyclization to the intermediate formamide 13, affords the corresponding 2-hydro-4-oxo-pyridopyrimidine 14, which is converted
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