1-Chloro-2-methyl-2-propanol

CAS 558-42-9(CH3)2C(OH)CH2ClChemical Synthesis

1-Chloro-2-methyl-2-propanol (CAS 558-42-9) is a halogenated alcohol with the molecular formula C4H9ClO and a molecular weight of 108.57 g/mol. This compound serves as a valuable building block in organic synthesis. It is primarily utilised in chemical synthesis and research laboratories for the preparation of various organic compounds, including the formation of new polyfunctional thiols. Supplied by TSS with an assay of 97%, it is suitable for research and development applications.

IUPAC: Chloro-tert-butyl alcohol
Synonyms: Chloro-tert-butyl alcohol

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1-Chloro-2-methyl-2-propanol ((CH3)2C(OH)CH2Cl) — chemical structure, CAS 558-42-9; Chemistry, fine chemical supplied by Tech Serve Solutions

AlcoholsBuilding BlocksC2 to C6Chemical SynthesisOrganic Building BlocksOxygen Compounds More...

01 /Applications

Organic Synthesis Intermediate

1-Chloro-2-methyl-2-propanol is employed as a key intermediate in the synthesis of more complex organic molecules. Its chloro and hydroxyl functional groups allow for versatile reactions in multi-step synthetic pathways.

Preparation of Thiols

This compound has been documented for its use in the synthesis and characterization of novel polyfunctional thiols. These thiols can be valuable in materials science and medicinal chemistry research.

Research and Development

As a readily available building block, 1-Chloro-2-methyl-2-propanol is utilised in academic and industrial research laboratories for exploring new chemical reactions and developing novel compounds.

02 /Properties

Molecular weight	108.57
Linear formula	(CH3)2C(OH)CH2Cl
Assay	97%
Boiling point	124-128 °C(lit.)
Density	1.058 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.439(lit.)
Application	1-Chloro-2-methyl-2-propanol was used in the synthesis and characterization of new polyfunctional thiols1.

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Warning

Hazard statements

H226Flammable liquid and vapour

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	38 °C / 100.4 °F
Transport (UN / ADR)	UN 1987C 3 / PGIII
Water hazard class (WGK, DE)	3
Risk statements (R)	10
Safety statements (S)	23-24/25

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

558-42-9

MDL number

MFCD00021807

Beilstein registry

1697054

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 1-Chloro-2-methyl-2-propanol used for?

1-Chloro-2-methyl-2-propanol is primarily used as a building block in organic synthesis, particularly for preparing polyfunctional thiols and in general chemical research and development.

What is the CAS number and molecular formula for 1-Chloro-2-methyl-2-propanol?

The CAS number is 558-42-9 and the molecular formula is C4H9ClO, also represented as (CH3)2C(OH)CH2Cl.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 1-Chloro-2-methyl-2-propanol with an assay of 97%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.

What are the safety considerations when handling 1-Chloro-2-methyl-2-propanol?

1-Chloro-2-methyl-2-propanol is a flammable liquid and vapour (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Avoid sources of ignition.