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495425

Sigma-Aldrich

Gallium–Indium eutectic

Ga 75.5% / In 24.5%, ≥99.99% trace metals basis

Synonym(s):

EGaIn

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About This Item

MDL number:
MFCD00144387
UNSPSC Code:
11101711
PubChem Substance ID:
24872973
NACRES:
NA.23

Quality Level

100

Assay

≥99.99% trace metals basis

form

liquid

composition

Ga 75.5% / In 24.5%

mp

15.7 °C (lit.)

density

6.25 g/mL at 25 °C (lit.)

SMILES string

[Ga].[In]

InChI

1S/Ga.In

InChI key

SPAHBIMNXMGCMI-UHFFFAOYSA-N

General description

Gallium-indium eutectic 99.99% is a unique liquid metal alloy with a melting point of 15.7°C. It has a self-limiting oxide layer that retains its shape, making it ideal for use in various applications. This material is easy to mold, stretch, and form into a variety of shapes. It is also self-healing, which makes it useful in situations where the material may experience wear and tear. With its exceptional properties, gallium-indium eutectic 99.99% is a valuable material for a range of industries, including electronics, robotics, and medical devices.

Application

In the electronics industry, gallium-indium eutectic 99.99% is used as a thermal interface material due to its high thermal conductivity. It is also used as a flexible conductor in soft robotics and stretchable electronics. Because of its ability to conform to irregular shapes and high electronic conductivity, EGaIn is commonly used as an electrical contact for device testing and as the top contact in molecular electronics applications. Additionally, this liquid metal alloy is utilized in medical devices such as soft implants and wearable health monitors due to its biocompatibility and flexibility. Gallium-indium eutectic 99.99% has a wide range of potential applications, and its unique properties make it a valuable material for many industries.

Features and Benefits

  • Increase Power Performance: Its high thermal conductivity makes it a high-performing thermal interface material for increased power performance in electronics.

  • Simplify Electrical Contact: Its excellent electronic conductivity, conformal shape, and self-healing properties make it easy to make electrical contact for devices and molecular electronics

  • Robust Contact: This material conforms to irregular shapes, making it perfect for use in soft robotics and stretchable electronics as a flexible conductor and robust contact.

Signal Word

Danger

Hazard Statements

H290,H302,H372,H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Met. Corr. 1 - STOT RE 1 Inhalation

Target Organs

Lungs

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

495425-25G:4548173362441
495425-VAR:
495425-BULK:
495425-5G:4548173362458

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ9421
MKCP0137
MKCN6537
MKCK5103
MKCM8022

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Chan Park et al.
Sensors (Basel, Switzerland), 18(8) (2018-08-17)
Development of flexible strain sensors that can be attached directly onto the skin, such as skin-mountable or wearable electronic devices, has recently attracted attention. However, such flexible sensors are generally exposed to various harsh environments, such as sweat, humidity, or
Yu Long Han et al.
Scientific reports, 5, 11488-11488 (2015-07-02)
This paper describes a novel approach to fabricate paper-based electric circuits consisting of a paper matrix embedded with three-dimensional (3D) microchannels and liquid metal. Leveraging the high electric conductivity and good flowability of liquid metal, and metallophobic property of paper
On the use of Ga-In eutectic and halogen light source for testing P3HT-PCBM organic solar cells
Du Pasquier A, et al.
Solar Energy Mat. and Solar Cells, 90(12), 1828-1839 (2006)
Eutectic Gallium-Indium (EGaIn): A Liquid Metal Alloy for the Formation of Stable Structures in Microchannels at Room Temperature
Dickey MD, et al.
Advances in Functional Materials, 18(7), 1097-1104 null
Effect of oxidation on the mechanical properties of liquid gallium and eutectic gallium-indium.
Xu Q, et al.
Physics of Fluids, 24(6) (2012)
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