disodium sulfinatosulfinate

• ChemBase编号: 129519
• 分子式: Na2O4S2
• 平均质量: 174.10714
• 单一同位素质量: 173.90333904
• SMILES: [O-]S(=O)S(=O)[O-].[Na+].[Na+]
• Canonical SMILES: [O-]S(=O)S(=O)[O-].[Na+].[Na+]
• InChI: InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2
• InChIKey: JVBXVOWTABLYPX-UHFFFAOYSA-L

名称和登记号

名称

• IUPAC标准名: disodium sulfinatosulfinate
• IUPAC传统名: disodium dithionite
• 别名: 低亚硫酸钠; 次硫酸氢钠; 连二亚硫酸钠; 连二亚硫酸钠 , tech.; 连二亚硫酸钠; 低亚硫酸钠; D-Ox; Hydrolin; Reductone; Sodium hydrosulfite; Sodium sulfoxylate; Sulfoxylate; Vatrolite; Virtex L; Sodium dithionite; Sodium dithionite; Sodium hypodisulfite; Sodium hydrosulfite; Sodium hydrosulfite, tech.; Sodium dithionite

登记号

• CAS号: 7775-14-6
• EC号: 231-890-0
• MDL号: MFCD00011640
• 默克索引号: 148626
• PubChem SID: 162223811; 24886252; 24849712
• PubChem CID: 24489
• CHEBI ID: 66870
• 维基百科标题: Sodium_dithionite

理论计算性质

• Acid pKa: 1.69897
• 质子受体: 4
• 质子供体: 0
• LogD (pH = 5.5): -6.079097
• LogD (pH = 7.4): -6.1319666
• Log P: -1.5210184
• 摩尔折射率: 17.2832 cm^3
• 极化性: 9.018009 Å^3
• 极化表面积: 80.26 Å^2
• 可自由旋转的化学键: 1
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: 18.2 g/10 mL (anhydrous, 20 °C) ; 21.9 g/100 mL (Dihydrate, 20 °C) in water; slightly soluble in alcohol
• 外观: Powder; white to grayish crystalline powder ; light-lemon colored flakes
• 熔点: >300 °C (dec.)(lit.); 52°C; 52°C dec.
• 沸点: Decomposes
• 闪点: 100 °C
• 自燃点: 200 °C
• 密度: 2.38 g/cm^3 (anhydrous) ; 1.58 g/cm^3 (dihydrate)
• 气味: faint sulfur odor

安全信息

• 保存注意事项: Moisture Sensitive
• RTECS编号: JP2100000
• 欧盟危险性物质标志: 氧化性(Oxidising) (O); X; 有害性(Harmful) (Xn)
• 联合国危险货物编号: 1384; UN1384
• 德国WGK号: 1
• 联合国危险货物等级: 4.2
• 联合国危险货物包装类别(PG): 2; II
• 危险公开号: 7-22-31; R7, R22, R31
• 安全公开号: 7/8-26-28-43; S2, S7/8, S26, S28, S43
• TSCA收录: 是
• 欧盟危险品索引: 016-028-00-1
• GHS危险品标识: GHS02; GHS07
• GHS警示词: Danger
• NFPA704:
  

  3

  2

  1
• GHS危险声明: H251-H302
• GHS警示性声明: P235 + P410; P280-P235+P410-P301+P312-P420-P407-P501A
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, 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 1384 4.2/PG 2
• 欧盟补充危害声明: Contact with acids liberates toxic gas.

产品相关信息

• 纯度: ≥80% (RT); ≥82% (RT); ≥85.0%; ≥86%; 85%; 85+%
• 级别: CP; JIS special grade; technical; technical grade
• 痕量阳离子: Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• 痕量阴离子: chloride (Cl-): ≤50 mg/kg
• 品质说明: purified
• 线性分子式: NaO2SSO2Na

详细说明

Sigma Aldrich - 71699

Other Notes
还原剂1；鉴定嗜热菌 PS3 中 F1-ATP 酶的必需酪胺酸残基，该残基可与 7-氯-4-硝基苯并呋喃反应2；通过分光光度法测定溶血血清中的触珠蛋白-血红蛋白复合物3；延长通过 Chlorella fusca var. vacuolata 211.11M 光合产氢的时间4；在表面活性剂囊泡中裂解 Ellman 试剂5。

Sigma Aldrich - 71700

Other Notes
用于将醛和酮还原成醇的试剂1；综述2

Sigma Aldrich - 157953

Frequently Asked Questions
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包装
100 g in poly bottle
2 kg in poly bottle
5 g in glass bottle

参考文献

• Useful reducing agent for a variety of functional groups. Often used in aqueous mixtures in combination with a base such as bicarbonate to prevent decomposition of the reagent by acid.
• Examples of reductions with the reagent:
• Nitroso compounds to amines: Org. Synth. Coll., 2, 33 (1943); 4, 247, (1963). Azo compounds to amines: Org. Synth. Coll., 1, 49 (1941); 2, 35, 39 (1943). Quinones to hydroquinones: Org. Synth. Coll., 4, 16 (1963). Aldehydes and ketones to alcohols: Synthesis, 246 (1977); for a phase-transfer method giving improved yields, see: J. Chem. Soc., Chem. Commun., 1080 (1979). For selective 1,4-reduction of conjugated aldehydes and ketones in the presence of unconjugated, see: Tetrahedron Lett., 36, 1107 (1995). Dehalogenation of ɑ-halo ketones: Synth. Commun., 12, 261 (1982).
• For a review of reductions with dithionite, including nitrogen functions, carbonyl compounds and 1,4-reductions of enones, see: Bull. Soc. Chim. Fr., 565 (1986).
• Also useful in small amounts as a decolorizing agent in the purification of organic compounds; see, e.g.: Org. Synth. Coll., 3, 86, 637 (1955); 4, 45 (1963).