P

Pivaloyl chloride

IUPAC: 2,2-dimethylpropanoyl chloride

C5H9ClO Organic Compounds CAS 3282-30-2
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Quick Reference
Formula / NotationC5H9ClO
CAS Number3282-30-2
Molecular Weight120.58
Boiling Point105-106 °F
AppearanceTrimethylacetyl chloride appears as colorless fuming liquid with a pungent odor. Very toxic by inhalation, ingestion or skin absorption. Fumes irritate the eyes and mucous membranes. Corrosive to m...
Also Known As2,2-dimethylpropanoyl chloride; 3282-30-2; 2,2-DIMETHYLPROPANOYL CHLORIDE; Trimethylacetyl chloride; Propanoyl chloride, 2,2-dimethyl-; Pivalyl chloride; 2,2-Dimethylpropionyl chloride; Pivalolyl chloride; Pivalic acid chloride; Neopentanoyl chloride
CategoryOrganic Compounds

What is Pivaloyl chloride?

Pivaloyl chloride (C5H9ClO) is an organic compound that appears as Trimethylacetyl chloride appears as colorless fuming liquid with a pungent odor. Very toxic by inhalation, ingestion or skin absorption. Fumes irritate the eyes and mucous membranes. Corrosive to m.... It has a molecular weight of 120.58 g/mol. Its IUPAC name is 2,2-dimethylpropanoyl chloride. Boiling point: 105-106 °F.

Formula & Notation

C5H9ClO

IUPAC Name: 2,2-dimethylpropanoyl chloride

Other Names / Synonyms: 2,2-dimethylpropanoyl chloride; 3282-30-2; 2,2-DIMETHYLPROPANOYL CHLORIDE; Trimethylacetyl chloride; Propanoyl chloride, 2,2-dimethyl-; Pivalyl chloride; 2,2-Dimethylpropionyl chloride; Pivalolyl chloride; Pivalic acid chloride; Neopentanoyl chloride

Properties & Characteristics

Appearance: Trimethylacetyl chloride appears as colorless fuming liquid with a pungent odor. Very toxic by inhalation, ingestion or skin absorption. Fumes irritate the eyes and mucous membranes. Corrosive to m.... Molecular formula: C5H9ClO. Molecular weight: 120.58 g/mol. Boiling point: 105-106 °F. Vapor pressure: 1.18 [mmHg]. LogP: 2.2.

Physical Data

PropertyValue
Boiling Point105-106 °F
Molecular Weight120.58
AppearanceTrimethylacetyl chloride appears as colorless fuming liquid with a pungent odor. Very toxic by inhalation, ingestion or skin absorption. Fumes irritate the eyes and mucous membranes. Corrosive to m...

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Pivaloyl chloride
Formula C5H9ClO
CAS Number 3282-30-2
Molecular Weight 120.58
Synonyms 2,2-dimethylpropanoyl chloride; 3282-30-2; 2,2-DIMETHYLPROPANOYL CHLORIDE; Trimethylacetyl chloride; Propanoyl chloride, 2,2-dimethyl-; Pivalyl chloride; 2,2-Dimethylpropionyl chloride; Pivalolyl chloride; Pivalic acid chloride; Neopentanoyl chloride

Frequently Asked Questions

Pivaloyl chloride (C5H9ClO) is an organic compound that appears as Trimethylacetyl chloride appears as colorless fuming liquid with a pungent odor. Very toxic by inhalation, ingestion or skin absorption. Fumes irritate the eyes and mucous membranes. Corrosive to m.... It has a molecular weight of 120.58 g/mol. Its IUPAC name is 2,2-dimethylpropanoyl chloride. Boiling point: 105-106 °F.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.