13825
Sulfur
powder, ≥99.0%
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About This Item
Formula empirica (notazione di Hill):
S
Numero CAS:
Peso molecolare:
32.07
Numero MDL:
Codice UNSPSC:
12141912
ID PubChem:
NACRES:
NA.55
Saggio:
≥99.0%
Stato:
powder
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Densità del vapore
8.9 (vs air)
Livello qualitativo
Tensione di vapore
1 mmHg ( 183.8 °C)
10 mmHg ( 246 °C)
Saggio
≥99.0%
Stato
powder
Temp. autoaccensione
450 °F
Resistività
2E23 μΩ-cm, 20°C
Ceneri
≤3%
pH
6 (20 °C, 10 g/L)
P. ebollizione
444.7 °C (lit.)
Punto di fusione
112.8 °C (rhombic) (lit.)
117-120 °C (lit.)
119.0 °C (monoclinic) (lit.)
Stringa SMILE
[S]
InChI
1S/S
NINIDFKCEFEMDL-UHFFFAOYSA-N
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Descrizione generale
Sulfur is present in abundant quantities in marine and freshwater sediments. It exists in the form of various sulfur compounds such as pyrite, acid volatile sulfides, elemental sulfur, sulfates and organic sulfur. Quantitative estimation of reduced inorganic sulfur compounds in modern sediments and shales by a chromium reduction technique has been described.
Sulfur is naturally present in cysteine and methionine amino acids, which can be detected by inductively coupled plasma mass spectrometry(ICP-MS). It is also an important element required for plant growth, since it is useful in lowering the pH of the soil.
Sulfur is naturally present in cysteine and methionine amino acids, which can be detected by inductively coupled plasma mass spectrometry(ICP-MS). It is also an important element required for plant growth, since it is useful in lowering the pH of the soil.
Avvertenze
Warning
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Skin Irrit. 2
Codice della classe di stoccaggio
4.1B - Flammable solid hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
404.6 °F - closed cup
Punto d’infiammabilità (°C)
207 °C - closed cup
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