(sodiosulfanyl)sodium

• ChemBase编号: 151612
• 分子式: Na2S
• 平均质量: 78.04454
• 单一同位素质量: 77.95160956
• SMILES: [Na]S[Na]
• Canonical SMILES: [Na]S[Na]
• InChI: InChI=1S/2Na.S
• InChIKey: CXPWOVUZRAFMDA-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: (sodiosulfanyl)sodium
• IUPAC传统名: sodium sulfide
• 别名: 硫化钠 水合物; 硫化钠; Sodium sulfide hydrate; Sodium sulfide

登记号

• CAS号: 27610-45-3; 1313-82-2
• EC号: 215-211-5
• MDL号: MFCD00003498
• PubChem SID: 24886334; 24886333; 24865451; 162245763; 24848172
• PubChem CID: 237873

理论计算性质

• 质子受体: 0
• 质子供体: 0
• LogD (pH = 5.5): -2.3855
• LogD (pH = 7.4): -2.3855
• Log P: -2.3855
• 摩尔折射率: 5.7558 cm^3
• 极化性: 7.0876923 Å^3
• 极化表面积: 0.0 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: H2O: soluble0.1 g/mL, clear, colorless
• 外观: flakes; solid
• 熔点: 950 °C(lit.)
• 密度: 1.86 g/mL at 25 °C(lit.)

安全信息

• RTECS编号: WE1905000
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C); 环境危害性(Nature polluting) (N); 有害性(Harmful) (Xn)
• 联合国危险货物编号: 1385; 1849
• 德国WGK号: 2
• 联合国危险货物等级: 4.2; 8
• 联合国危险货物包装类别(PG): 2
• 危险公开号: 22-31-34-50
• 安全公开号: 26-36/37/39-45-61
• GHS危险品标识: GHS05; GHS06; GHS09
• GHS警示词: Danger
• GHS危险声明: H290-H301-H314-H400
• GHS警示性声明: P273-P280-P301 + P310-P305 + P351 + P338-P310
• 个人保护装置: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 1385 4.2/PG 2; UN 1849 8/PG 2
• 欧盟补充危害声明: Contact with acids liberates toxic gas., Corrosive to the respiratory tract.
• 保存温度: 2-8°C

产品相关信息

• 纯度: ≥60%; ≥60% (RT); 32-38% (RT); 59-65%
• 级别: technical
• 杂质: ≤0.005% ammonium (NH4); ≤10 mg/kg total nitrogen (N); ≤50 mg/kg ammonium (NH4)
• 痕量阳离子: Fe: ≤10 mg/kg
• 痕量阴离子: chloride (Cl-): ≤100 mg/kg; sulfite and thiosulfate (as S2O32-: ≤1%; sulfite and thiosulfate (as S2O32-: ≤10000 mg/kg
• 品质说明: for gravimetric analysis
• Appearance: scales
• 线性分子式: Na2S
• Empirical Formula (Hill Notation): Na2S · xH2O

详细说明

Sigma Aldrich - 407410

包装
10, 50 g in glass bottle

Sigma Aldrich - 14738

Application
用于水溶液中形成重金属硫化物沉淀

Sigma Aldrich - 13468

Application
Nucleophile and reducing agent derived from H2S; reagent for the synthesis of thiols, thioethers, and acyclic sulfides, di-, and polysulfides; reduces aromatic nitro compounds to amines; reduces sulfoxides to sulfides.
General description
May contain up to 40% water.