Chromium chloride 无水氯化铬(Ⅱ)

CAS 10049-05-5 MFCD00010947

化学结构图

10049-05-5
SMILES: Cl[Cr]Cl

化学属性

Mol. FormulaCrCl2
Mol. Weight122.90
Density2.9
Melting Point824
TSCAYes
SolubilitySoluble in water. Insoluble in alcohol and ether
Appearance off-white to pale green pwdr.
Stabilityair sensitive, hygroscopic

别名和识别编码

Chemical NameChromium chloride
Synonym Chrom(II)-chlorid wasserfrei Chromium(II) chloride Chromium(II) chloride, anhydrous Chromous chloride 氯化铬(II)
CAS Number10049-05-5
PubChem Substance ID329767009
EC Number233-163-3
MDL NumberMFCD00010947
Merck Number14,2244
Chemical Name Translation无水氯化铬(Ⅱ)
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分类

  • {SNA} Chromium, Chromium Salts, Crystal Grade Inorganics, Essential Chemicals, Metal and Ceramic Science, Research Essentials, Salts, 材料科学
  • {SNA} Catalysis and Inorganic Chemistry, Chemical Synthesis, Chromium, Chromium Salts, Materials Science,

相关文献及参考

  • Reducing agent. Converts vic-dihalides and epoxides to alkenes, and ɑ-haloketones to ketones: J. Am. Chem. Soc., 82, 3399, 3696 (1960), reduces benzoquinones to hydroquinones: J. Chem. Soc. (C), 2349 (1969), and deoxygenates aromatic amine oxides: Chem. Pharm. Bull., 24, 1839 (1976). Alkyl nitro compounds are reduced to oximes: J. Chem. Soc. (C), 1182 (1970); Synthesis, 7 (1974). Aromatic nitro groups can be selectively reduced in DMF under mild conditions to arylamines, applicable to solid supported systems: Tetrahedron Lett., 40, 245 (1999).
  • With vinyl halides, forms vinyl Cr compounds which can add selectively to aldehydes to give allylic alcohols (Nozaki reaction): Tetrahedron Lett., 24, 5281 (1983). Better results have been obtained in the presence of a trace of NiCl2: J. Am. Chem. Soc., 108, 6048 (1986). For similar reaction with alkynyl halides, see: Tetrahedron Lett., 26, 5585 (1985); Tetrahedron Lett., 28, 3
  • Promotes the addition of allylic halides to aldehydes to give homoallylic alcohols, generally with high anti- selectivity (Hiyama reaction): Tetrahedron Lett., 22, 1037 (1981); 23, 2343 (1982); Tetrahedron, 37, 3873 (1981); J. Am. Chem. Soc., 113, 4218 (1991).
  • With vinyl halides, forms vinyl Cr compounds which can add selectively to aldehydes to give allylic alcohols (Nozaki reaction): Tetrahedron Lett., 24, 5281 (1983). Better results have been obtained in the presence of a trace of NiCl2: J. Am. Chem. Soc., 108, 6048 (1986). For similar reaction with alkynyl halides, see: Tetrahedron Lett., 26, 5585 (1985); Tetrahedron Lett., 28, 3463 (1987): Org. Synth. Coll., 9, 472 (1998). Intramolecular application of the Nozaki reaction has effected closure of a 13-membered ring: J. Am. Chem. Soc., 110, 5198 (1988), and of a strained 9-membered ring: J. Am. Chem. Soc., 112, 5369 (1992), in good yield. For brief reviews of CrCl2 as a reagent, see: J. Prakt. Chem./ Chem.-Ztg., 338, 491 (1996); Synlett, 722 (2001).

安全信息

GHS Symbol
WGK Germany3
Hazard Codes 9
Hazard statements
  • H302 Harmful if swallowed 吞食有害
  • H315 Causes skin irritation 会刺激皮肤
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H319 Causes serious eye irritation 严重刺激眼睛
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
RTECSGB5250000
Precautionary statements
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P301+P312+P330
  • P305+P351+P338
Signal word Warning
Safety Statements
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36 Wear suitable protective clothing 穿戴适当的防护服;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
UN Number 3077
Risk Statements
  • R22 Harmful if swallowed 吞咽有害
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Storage condition Air & Moisture Sensitive
Packing GroupIII

系列性分类


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