1,4-Butanediol bis(chloroformate)

CAS 2157-16-6(ClCO2CH2CH2-)2Chemical Synthesis

1,4-Butanediol bis(chloroformate) (CAS: 2157-16-6) is an organic compound with the linear formula (ClCO\[CH\]_2CH_2-)_2 and a molecular weight of 215.03 g/mol. This acid halide serves as a valuable building block in organic synthesis, particularly for introducing the butanediol moiety into larger molecules. Its reactivity makes it suitable for various chemical transformations, contributing to the development of complex organic structures.

Synonyms: (ClCO2CH2CH2-)2

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1,4-Butanediol bis(chloroformate) ((ClCO2CH2CH2-)2) — chemical structure, CAS 2157-16-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Acid HalidesBuilding BlocksCarbonyl CompoundsChemical SynthesisOrganic Building Blocks

01 /Applications

Organic Synthesis Intermediate

Used as a bifunctional reagent in organic synthesis to introduce carbonate linkages or to form cyclic structures.

Polymer Chemistry

Can be employed in the synthesis of specialized polymers and copolymers due to its reactive chloroformate groups.

Cross-linking Agent

Potential applications as a cross-linking agent for polymers containing nucleophilic groups, modifying material properties.

02 /Properties

Molecular weight	215.03
Linear formula	(ClCO2CH2CH2-)2
Assay	97%
Boiling point	211-212 °C(lit.)
Density	1.330 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.4530(lit.)

03 /Safety & handling

GHS hazard pictogram: Corrosive (GHS05) — Corrosive

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves, clothing and eye/face protection
P305IF IN EYES
P310Immediately call a POISON CENTER or doctor

Protective equipment	Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	110 °C / 230 °F
Transport (UN / ADR)	UN 1760 8 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	C
Risk statements (R)	34
Safety statements (S)	26-36/37/39-45

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

04 /Identifiers & registry

CAS number

2157-16-6

MDL number

MFCD00037025

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 1,4-Butanediol bis(chloroformate) used for?

1,4-Butanediol bis(chloroformate) is primarily used as an intermediate in organic synthesis and in polymer chemistry for introducing specific structural units or for cross-linking applications.

What is the CAS number and formula for 1,4-Butanediol bis(chloroformate)?

The CAS number is 2157-16-6, and its linear formula is (ClCO\[CH\]_2CH_2-)_2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 1,4-Butanediol bis(chloroformate) with an assay of 97%. This product is not intended for pharmaceutical, food, or any other regulated application unless explicitly stated.

How should 1,4-Butanediol bis(chloroformate) be handled safely?

1,4-Butanediol bis(chloroformate) is corrosive and causes severe skin burns and eye damage (H314). Handle with extreme caution, using appropriate personal protective equipment including gloves, goggles, a face shield, and a suitable respirator. Ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for comprehensive safety information.