13803
硫
99.5-100.5%, meets analytical specification of Ph. Eur., BP, USP, puriss., precipitated
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关于此项目
产品名称
硫, 99.5-100.5%, meets analytical specification of Ph. Eur., BP, USP, puriss., precipitated
Quality Level
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
puriss.
assay
99.5-100.5%
form
solid
autoignition temp.
450 °F
quality
meets analytical specification of Ph. Eur., BP, USP
precipitated
resistivity
2E23 μΩ-cm, 20°C
impurities
acidity or alkalinity, complies
residual solvents, complies
≤0.01% free alkali (as NaOH)
≤0.02% free acid (as H2SO4)
≤0.5% water (Karl Fischer)
ign. residue
≤0.2% (as SO4)
≤0.3%
bp
444.7 °C (lit.)
mp
112.8 °C (rhombic) (lit.)
117-120 °C (lit.)
119.0 °C (monoclinic) (lit.)
solubility
carbon disulfide: in accordance 1 g/5mL
anion traces
chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤100 mg/kg
sulfide (S2-): ≤10 mg/kg
cation traces
As: ≤40 mg/kg
suitability
complies for appearance of solution
corresponds for odor
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General description
硫天然存在于半胱氨酸和蛋氨酸氨基酸中，可通过电感耦合等离子体质谱法 (ICP-MS) 检测。它也是植物生长所需的重要元素，因为它有助于降低土壤的 pH 值。
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
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