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8.21024

Sigma-Aldrich

di-Phosphorus pentasulfide

for synthesis

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Synonym(s):
Phosphorus pentasulfide, Diphosphorus pentasulfide, Phosphorus(V) sulfide, Phosphorus(V) sulfide
Empirical Formula (Hill Notation):
P2S5
CAS Number:
Molecular Weight:
222.27
MDL number:
EC Index Number:
215-242-4

Quality Level

form

powder

autoignition temp.

142 °C

potency

389 mg/kg LD50, oral (Rat)
3160 mg/kg LD50, skin (Rabbit)

concentration

27.8-28.8%

pH

1 (20 °C, 10 g/L in H2O)

bp

515 °C

mp

280-284 °C (lit.)

density

2.09 g/mL at 25 °C (lit.)

bulk density

900‑1100 kg/m3

storage temp.

2-30°C

SMILES string

S=P(=S)SP(=S)=S

InChI

1S/P2S5/c3-1(4)7-2(5)6

InChI key

HWVAJUNEPOKXLF-UHFFFAOYSA-N

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1 of 4

This Item
2321068.210268.22339
di-Phosphorus pentasulfide for synthesis

8.21024

di-Phosphorus pentasulfide

Phosphorus pentasulfide 99%

232106

Phosphorus pentasulfide

Phosphoryl bromide for synthesis

8.21026

Phosphoryl bromide

Phosphoryl chloride for synthesis

8.22339

Phosphoryl chloride

form

powder

form

powder

form

crystals

form

liquid

bp

515 °C

bp

514 °C

bp

192 °C/1013 hPa (decomposes)

bp

105.3 °C/1013 hPa

autoignition temp.

142 °C

autoignition temp.

-

autoignition temp.

-

autoignition temp.

-

pH

1 (20 °C, 10 g/L in H2O)

pH

-

pH

-

pH

1.0 (25 °C, 5 g/L in H2O)

density

2.09 g/mL at 25 °C (lit.)

density

2.09 g/mL at 25 °C (lit.)

density

2.82 g/cm3

density

1.68 g/cm3 at 20 °C (DIN 51757)

Analysis Note

Assay P: 27.8 - 28.8 %

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Flam. Sol. 1 - Water-react 1

supp_hazards

Storage Class

4.3 - Hazardous materials, which set free flammable gases upon contact with water

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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