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Bis(tetrabutylammonium) dichromate

Catalog No. 15165 Name Sigma Aldrich
CAS Number 56660-19-6 Website http://www.sigmaaldrich.com
M. F. C32H72Cr2N2O7 Telephone 1-800-521-8956
M. W. 700.91548 Fax
Purity ≥97.0% (C) Email
Storage Chembase ID: 140242

SYNONYMS

Title
双四丁基铵重铬酸盐
IUPAC name
bis(tetrabutylazanium) [(oxidodioxochromio)oxy]chromiumoylolate
IUPAC Traditional name
bis(tetrabutylammonium) chromate
Synonyms
Tetrabutylammonium dichromate
TBADC
四丁基铵重铬酸盐

DATABASE IDS

EC Number 260-315-6
MDL Number MFCD00013104
PubChem SID 24849156
CAS Number 56660-19-6

PROPERTIES

Grade purum
Linear Formula [(CH3CH2CH2CH2)4N]2Cr2O7
Purity ≥97.0% (C)
Melting Point 139-142 °C
Melting Point 139-143 °C(lit.)
GHS Pictograms GHS03
GHS Pictograms GHS07
GHS Pictograms GHS09
GHS Signal Word Danger
GHS Hazard statements H272-H317-H400
European Hazard Symbols Oxidising Oxidising (O)
European Hazard Symbols Toxic Toxic (T)
European Hazard Symbols Nature polluting Nature polluting (N)
MSDS Link Download
Personal Protective Equipment 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
GHS Precautionary statements P220-P273-P280
RID/ADR UN 1479 5.1/PG 2
Risk Statements 49-8-43-50/53
Safety Statements 53-45-60-61
Hazard Class 5.1
UN Number 1479
Packing Group 2
German water hazard class 2

DETAILS

Description (English)
Other Notes
Convenient reagent for oxidations in organic solvents, e.g. of alkyl halogenides into aldehydes and ketones5; And hydroxy compounds into aldehydes and ketones6
Application
Reagent for:
• Preparation of nitrophenol derivatives and quinones under aprotic reaction conditions1
• Conversion of oximes to carbonyl compounds under microwave irradiation2
• Catalyst precursor for catalytic gas phase dehydration of acetic acid to ketene3
• Crosslinking agent4
Description (简体中文)
Other Notes
用于有机溶剂中氧化反应的简便试剂,例如烷基卤转化为醛和酮5;以及羟基化合物转化为醛和酮6
Application
Reagent for:
• Preparation of nitrophenol derivatives and quinones under aprotic reaction conditions1
• Conversion of oximes to carbonyl compounds under microwave irradiation2
• Catalyst precursor for catalytic gas phase dehydration of acetic acid to ketene3
• Crosslinking agent4

REFERENCES