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  B821    
Potassium tert-butoxide
, 98%
 
Potassium tert-butylate
Potassium t-butoxide
Potassium 2-methylpropan-2-olate




IDENTITY
CAS Number:865-47-4
MDL Number:MFCD00012162
MF:C4H9KO
MW:112.21
EINECS:212-740-3
BRN:3556712
SPECIFICATIONS & PROPERTIES
Min. Purity Spec:98%
Physical Form (at 20°C):Solid
Melting Point:254-260°C
Density:1.19
Long-Term Storage:Store long-term in a cool, dry place
Note:Only ship HazMat Ground or Priority Overnight or LTL.
DOT/IATA TRANSPORT INFORMATION
UN #:UN3206
Hazard Class:4.2 (8) ; Spontaneously Combustible Solid, Corrosive)
Packing Group:II
A hazmat fee may apply to certain package sizes and shipment methods. Please check pricing table for an indicator of applicable hazmat fees.

REVIEW

 Strong base of relatively low nucleophilicity (1). The nucleophilicity is increased in the presence of 18-crown-6; the basic strength less so (2).

REFERENCES
[1]Chem. Rev., 74, 45 (1974).
[2] J. Org. Chem., 43, 447 (1978).

GLOBALLY HARMONIZED SYSTEM (GHS)

Pictograms

Signal Word
Danger

Hazard Statements
H251; H314

Precautionary Statements
P501; P260; P235+P410; P264; P280; P303+ P361+P353; P301+P330+P331; P363; P304 +P340+P310; P305+P351+P338+P310; P407; P420; P405


RELATED PRODUCTS
B821Potassium tert-butoxide
K543Sodium tert-butoxide

Current as of June 8, 2025


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All products are stocked and shipped from the SF Bay, California, USA via FedEx, UPS or DHL.
All batches backed with full quality assurance.
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All products are for research and development use only, not for any other uses, and must be handled by technically-qualified persons.

These products are explicitly not intended to be used in foods and/or cosmetics and/or drugs (human and veterinary) and/or consumer products and/or biocides and/or pesticides of any kind unless explicitly stated otherwise.

Products are not sold to individuals. We do not ship to residential addresses. Consumer orders will be cancelled without notice.

New customers undergo an internal onboarding process. As part of this process, new customers may be asked for more information. Additional restrictions may apply.



CATEGORIES

 Reagents > Bases


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