431648
硫化钠 九水合物
≥99.98% trace metals basis
别名:
九水硫化钠
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关于此项目
线性分子式:
Na2S·9H2O
化学文摘社编号:
分子量:
240.18
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
215-211-5
MDL number:
Assay:
≥99.98% trace metals basis
Form:
crystals and lumps
assay
≥99.98% trace metals basis
form
crystals and lumps
reaction suitability
reagent type: catalyst
core: sodium
impurities
<100 ppm total metallic impurities
anion traces
SO32- and S2O32-: ≤0.1%
cation traces
Fe:, passes test, NH4+: ≤0.005%
storage temp.
2-8°C
SMILES string
O.O.O.O.O.O.O.O.O.[Na]S[Na]
InChI
1S/2Na.9H2O.S/h;;9*1H2;
InChI key
UIINQVYGFKNSPA-UHFFFAOYSA-N
General description
硫化钠九水合物是分子式为Na2S-H2O的化合物。本品为白色至黄色的吸湿固体，极易溶于水，散发强烈臭味。 九水硫化钠一般通过将硫元素溶于氢氧化钠，形成硫化钠。接着在溶液中加入过量的水可得到九水形式，最终形成每个硫化钠带9个水分子的晶体。 九水硫化钠常用作化学反应的还原剂，以及矿业浮选剂。还用于生产染料、色素等化学品。
Application
九水硫化钠（Na2S.9H2O）能与α,ω-二溴和（或）α,ω二氯烷烃合成聚亚烷基硫醚。可作为还原剂，从废气中去除氮氧化物。Na2S.9H2O还能作为平价硫源，合成杂环脱氧硫胺。
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B
存储类别
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
监管及禁止进口产品
此项目有
The synthesis of polymeric sulfides by reaction of dihaloalkanes with sodium sulfide
Smith K, et al.
Journal of Sulfur Chemistry, 32(6), 521-531 (2011)
The reaction products of sulfide and S-nitrosoglutathione are potent vasorelaxants.
Berenyiova A, et al.
Nitric Oxide, 46, 123-130 (2015)
Absorption-reduction technique assisted by ozone injection and sodium sulfide for NOx removal from exhaust gas
Mok YS
Chemical Engineering Journal, 118(1-2), 63-67 (2006)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 431648-250G | 04061832108391 |
| 431648-50G | 04061832108407 |