Bis(tetrabutylammonium) dichromate
Synonym(s):TBADC;Tetrabutylammonium dichromate
- CAS NO.：56660-19-6
- Empirical Formula: C32H72Cr2N2O7
- Molecular Weight: 700.92
- MDL number: MFCD00013104
- EINECS: 260-315-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:16:11
What is Bis(tetrabutylammonium) dichromate?
The Uses of Bis(tetrabutylammonium) dichromate
Reagent for:
- Preparation of nitrophenol derivatives and quinones under aprotic reaction conditions
- Conversion of oximes to carbonyl compounds under microwave irradiation
- Catalyst precursor for catalytic gas phase dehydration of acetic acid to ketene
- Crosslinking agent
Purification Methods
Wash it with water and dry it in a vacuum. Recrystallise it from hexane (m 79-80o). [Santaniello & Ferraboschi Synth Commun 10 75 1980, Beilstein 4 IV 556.] (Possible CARCINOGEN.)
Properties of Bis(tetrabutylammonium) dichromate
| Melting point: | 139-143 °C (lit.) |
| form | powder to crystaline |
| color | Light yellow to Brown |
| Water Solubility | Soluble in water. |
| Exposure limits | OSHA: Ceiling 0.1 mg/m3 NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 |
Safety information for Bis(tetrabutylammonium) dichromate
| Signal word | Danger |
| Pictogram(s) |
 Flame Over Circle Oxidizers GHS03  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H272:Oxidising liquids;Oxidising solids H317:Sensitisation, Skin H350:Carcinogenicity H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for Bis(tetrabutylammonium) dichromate
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