Merck
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343242

Sigma-Aldrich

Phosphorus, red

≥99.99% trace metals basis

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Empirical Formula (Hill Notation):
P
CAS Number:
Molecular Weight:
30.97
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

vapor density

0.02 (vs air)

vapor pressure

0.03 mmHg ( 21 °C)
1 mmHg ( 76.6 °C)

Assay

≥99.99% trace metals basis

form

powder or chunks

autoignition temp.

500 °F

resistivity

10 μΩ-cm, 20°C

mp

416 °C (subl.) (lit.)

density

2.34 g/mL at 25 °C (lit.)

SMILES string

[P]

InChI

1S/P

InChI key

OAICVXFJPJFONN-UHFFFAOYSA-N

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1 of 4

This Item
379921379786574090
Phosphorus, red ≥99.99% trace metals basis

Sigma-Aldrich

343242

Phosphorus, red

form

powder or chunks

form

powder, crystals or chunks

form

powder or chunks

form

chunks

mp

416 °C (subl.) (lit.)

mp

155-157 °C (dec.) (lit.)

mp

-

mp

175 °C (lit.)

density

2.34 g/mL at 25 °C (lit.)

density

1.67 g/mL at 25 °C (lit.)

density

-

density

-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

vapor density

0.02 (vs air)

vapor density

-

vapor density

-

vapor density

-

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Chronic 3 - Flam. Sol. 2

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Science (New York, N.Y.), 342(6164), 1346-1348 (2013-12-18)
Phosphorus ((31)P), which is essential for life, is thought to be synthesized in massive stars and dispersed into interstellar space when these stars explode as supernovae (SNe). Here, we report on near-infrared spectroscopic observations of the young SN remnant Cassiopeia
Yuki Fujita et al.
Nature, 505(7481), 82-86 (2013-11-19)
Plant species diversity in Eurasian wetlands and grasslands depends not only on productivity but also on the relative availability of nutrients, particularly of nitrogen and phosphorus. Here we show that the impacts of nitrogen:phosphorus stoichiometry on plant species richness can
Jacques C Finlay et al.
Science (New York, N.Y.), 342(6155), 247-250 (2013-10-12)
Human activities have increased the availability of reactive nitrogen in many ecosystems, leading to negative impacts on human health, biodiversity, and water quality. Freshwater ecosystems, including lakes, streams, and wetlands, are a large global sink for reactive nitrogen, but factors
Gregory P Asner et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(15), 5604-5609 (2014-03-05)
Patterns of tropical forest functional diversity express processes of ecological assembly at multiple geographic scales and aid in predicting ecological responses to environmental change. Tree canopy chemistry underpins forest functional diversity, but the interactive role of phylogeny and environment in
Zhiguo Cao et al.
Environment international, 65, 100-106 (2014-02-01)
This study documents the temporal variability in concentrations of flame retardants (FRs) in floor dust from three offices in Beijing, China. Dust from Office A (OAD) was collected weekly from March to August, 2012, and sampling of dust from Office

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