Chemical Name
CAS-Number

Colour/Form

Boiling Point (°C)

Melting Point (°C)

Molecular Weight

Solubility in Water

Relative Density (water=1)

Relative Vapour Density (air=1)

Vapour Pressure/ (Kpa)

Inflam.
Limits

Flash Point (°C)

Auto Ignition Point ( °C)

CALCIUM PHOSPHIDE
1305-99-3

red-brown crystalline powder or gray lumps

1600

182.20

2.51

DIBUTYL PHENYL PHOSPHATE
2528-36-1

clear slightly yellow liquid

131-132

286.34

sl sol

@ 25 °C/ 25 °C

@ 25 °C

129 cc; 177 oc

DIBUTYL PHOSPHATE
107-66-4

pale amber liquid

210.21

insol

1.06

1 mm Hg

DIETHYLTHIOPHOS­PHORYL CHLORIDE
2524-04-1

colourless to light amber liquid

>110

<-75

188.62

insol

@ 25 °C/ 25 °C

@ 50 °C

110

DIMETHYL HYDROGEN PHOSPHITE
868-85-9

mobile, colourless liquid

@ 25 mm Hg

110.05

sol

1.200

HEXAMETHYL PHOSPHORAMIDE
680-31-9

colourless, mobile liquid

233

5-7

179.24

misc

1.03

6.18

0.03 mm Hg

PHENYLPHOSPHINE
638-21-1

160.5

110.09

@ 15 °C

PHOSPHINE
7803-51-2

colourless gas

-87.7

-133

34.00

sl sol

0.75

1.17

3530

1.79 ll
? ul

flammable gas

100-150

PHOSPHORUS
7723-14-0

white: colourless or white, transparent, crystalline solid; waxy appearance; yellow: white to yellow, soft, waxy solid; black: polymorphic, orthorhombic crystalline form, amorphous form; red: red to violet powder; polymorphism; violet: violet monoclinic

@ 200)

@ 43 atm

30.9737

insol

Red: 2.34; Violet: 2.36; Black: 2.70; Yellow: 1.82

Red: 4.77; White: 4.42

3.5 Pa

Red: 260; white: 30

PHOSPHORUS PENTACHLORIDE
10026-13-8

white to pale yellow crystalline mass; tetragonal crystals

160

148

208.27

@ 296 °C (GAS)

@ 55.5 °C

PHOSPHORUS PENTASULPHIDE
1314-80-3

gray-yellow crystals; light yellow, triclinic crystals; solid flakes or powder; greenish gray color

513-515

286-290

222.29

insol

@ 300 °C

260-290 dust; 275 liquid

PHOSPHORUS PENTOXIDE
1314-56-3

white monoclinic or powdery crystals; /there are/ several crystalline & amorphous modifications; commercial form, hexagonal

300 sublimes

580-5

141.96

v sol

2.39

@ 384 °C

PHOSPHORUS TRICHLORIDE
7719-12-2

colourless, clear, liquid

76

-112

137.35

reacts

@ 21 °C

4.75

12.7

PHOSPHORYL-OXY­CHLORIDE
10025-87-3

colourless to light yellow, oily liquid

105.8

1.25

153.33

@ 25 °C/4 °C

5.3

@ 27.3 °C

TETRAPHOSPHORUS TRISULPHIDE
1314-85-8

yellowish-green, long, rhombic needles from benzene

407.5

172.5

220.08

insol

2.03 @ 20 ºC/

100

TETRAPOTASSIUM PYROPHOSPHATE
7320-34-5

white granules or powder

1090

v sol

TETRASODIUM PYROPHOSPHATE
7722-88-5

crystals; colourless, transparent crystals or white powder

988

265.94

@ 0 °C; 6.7 g/100 ml

2.534

THIOPHOSPHORYL CHLORIDE
3982-91-0

colourless liquid; crystallizes as alpha-form at -40.8 ºC or as beta-form at -36.2 ºC

125

-35

169.41

decomposes

1.635

5.86

@ 25 °C

TRIBUTYL PHOSPHATE
126-73-8

colourless liq

289

<80

266.32

sol

@ 25 °C/ 25 °C

9.20

@ 177 °C

146

410

TRICRESYL PHOSPHATE
1330-78-5

practically colourless liquid

420

@ 25 °C

@ 25/25 °C

410

TRI-o-CRESYL PHOSPHATE
78-30-8

colourless or pale yellow liq

410

11

368.37

insol

1.1955

12.7

@ 265 °C

225

385

TRIETHYL PHOSPHATE
78-40-0

liquid; colourless

215.5

-56.4

182.16

sol

1.0695

6.28

@ 39.6 °C

TRIETHYL PHOSPHITE
122-52-1

colourless liquid

157.9

-112

166.16

insol

0.9629

0.6

52

250

TRIMETHYL PHOSPHATE
512-56-1

colourless liquid

197.2

-46

140.08

v sol

1.2144

TRIMETHYL PHOSPHITE
121-45-9

colourless liquid

111.5

124.08

1.0520

4.3

TRIPHENYL PHOSPHATE
115-86-6

crystals from absolute alcohol-ligroin, prisms from alcohol, needles from ether-ligroin; colourless crystalline powder; white platelets

@ 11 mm Hg

50

326.28

insol

@ 50 °C/4 °C

1.19

@ 193.5 °C

TRIPHENYL PHOSPHINE
603-35-0

monoclinic platelets or prisms from ether; white crystalline solid

>360

80.5

262.28

insol

@80 °C/4 °C

9.0

180 oc

TRIPHENYL PHOSPHITE
101-02-0

water-white to pale yellow solid or oily liquid

360

25

310.29

insol

1.1844

218 oc

TRIS-2,3-DIBROMO­PROPYL PHOSPHATE
126-72-7

viscous, pale yellow liquid; dense, nearly colourless liquid

FP 5.5

697.93

8.0 mg/l

@ 25 °C

@ 25 °C

TRIS(2-ETHYL­HEXYL) PHOSPHATE
78-42-2

viscous liquid

@ 5 mm Hg

-74

434.72

insol

0.926

14.95

@ 200 °C

207