84683
硫
purum p.a., ≥99% (T)
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关于此项目
经验公式（希尔记法）:
S
化学文摘社编号:
分子量:
32.07
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12141912
EC Number:
231-722-6
MDL number:
Assay:
≥99% (T)
Form:
powder
InChI key
NINIDFKCEFEMDL-UHFFFAOYSA-N
InChI
1S/S
SMILES string
[S]
vapor density
8.9 (vs air)
vapor pressure
1 mmHg ( 183.8 °C), 10 mmHg ( 246 °C)
grade
purum p.a.
assay
≥99% (T)
form
powder
Quality Level
resistivity
2E23 μΩ-cm, 20°C
ign. residue
≤0.2%
bp
444.7 °C (lit.)
mp
112.8 °C (rhombic) (lit.), 119.0 °C (monoclinic) (lit.)
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Na: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg
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General description
硫是一种硫属元素（成矿元素）。 它在海洋和淡水沉积物中含量丰富。它有多种存在形式，如黄铁矿、酸性挥发性硫化物、元素硫、硫酸盐和有机硫。已有研究描述了通过铬还原技术定量估算现代沉积物和页岩中的还原型无机硫化合物。 元素硫被用于合成砷单硫化物和苯并噻唑。
Application
硫作为反应物，用于制备掺杂Cu的硫化铁。
signalword
Warning
hcodes
Hazard Classifications
Skin Irrit. 2
存储类别
4.1B - Flammable solid hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
监管及禁止进口产品
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