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  8. Trimethylacetic acid, 99%

Trimethylacetic acid, 99%

Product Code. 11479682
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This item is not returnable. View return policy
Regulatory: This product is an isolated intermediate transported in accordance with Regulation (EC) 1907/2006 (REACH). All customers must complete a declaration before delivery.
Product Code. 11479682 Supplier Thermo Scientific Alfa Aesar Supplier No. A10776.0C
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Estimated Shipment: 03-12-2026
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This item is not returnable. View return policy
Regulatory: This product is an isolated intermediate transported in accordance with Regulation (EC) 1907/2006 (REACH). All customers must complete a declaration before delivery.

Description

CAS: 75-98-9 | C5H10O2 | 102.133 g/mol

Trimethylacetic acid can be used as an internal chemical-shift standard for NMR of aqueous solutions. It is a metabolite of oral cephem (β-lactam) antibiotics such as S-1108, containing pivaloyl moieties.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Trimethylacetic acid can be used as an internal chemical-shift standard for NMR of aqueous solutions. It is a metabolite of oral cephem (β-lactam) antibiotics such as S-1108, containing pivaloyl moieties.

Solubility
Soluble in alcohol, ether. Slightly soluble in water

Notes
Stable under recommended storage conditions. Incompatible with oxidizing agents and bases.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 75-98-9
Molecular Formula C5H10O2
Molecular Weight (g/mol) 102.133
MDL Number MFCD00004194
InChI Key IUGYQRQAERSCNH-UHFFFAOYSA-N
Synonym pivalic acid, trimethylacetic acid, neopentanoic acid, 2,2-dimethylpropionic acid, tert-pentanoic acid, propanoic acid, 2,2-dimethyl, versatic 5, kyselina pivalova, acetic acid, trimethyl, alpha,alpha-dimethylpropionic acid
PubChem CID 6417
ChEBI CHEBI:45133
IUPAC Name 2,2-dimethylpropanoic acid
SMILES CC(C)(C)C(=O)O

Specifications

Melting Point 31°C to 35°C
Density 0.91
Boiling Point 163°C to 165°C
Flash Point 63°C (145°F)
Odor Pungent
Quantity 10,000 g
UN Number UN3261
Beilstein 969480
Merck Index 14,7511
Solubility Information Soluble in alcohol, ether; Slightly soluble in water
Formula Weight 102.13
Percent Purity 99%
Chemical Name or Material Trimethylacetic acid
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