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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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
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)
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)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 431648-250G | 04061832108391 |
| 431648-50G | 04061832108407 |