Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

Safety Information

651842

Sigma-Aldrich

Gold etchant, nickel compatible

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

MDL number:
MFCD07370792
UNSPSC Code:
12352300
NACRES:
NA.23

vapor density

9 (vs air)

vapor pressure

0.3 mmHg ( 15 °C)

composition

volatiles, 50-80%

bp

100 °C/1 atm

solubility

H2O: miscible at 20 °C

General description

Nickel compatible gold etchant is an etching solution that can be used in the removal of the gold layer from the surface. Compatibility of gold etchants with nickel allows it to be utilized in applications where nickel is used as a dominant material in the fabrication of micro-electro-mechanical systems (MEMS).

Application

Elective general-purpose etchant for gold. Compatible with negative and positive photoresists.

Features and Benefits

Etching readily controlled with minimum undercutting. Room temperature operated. Cyanide-free, no attack of nickel films.

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H372

Precautionary Statements

P260 - P264 - P270 - P314 - P501

Hazard Classifications

STOT RE 1 Oral

Target Organs

Thyroid

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.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

651842-500ML:4548174020517
651842-VAR:
651842-BULK:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCL5765
MKCJ3262
MKCJ0931
MKBX4059V
MKBW0332V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 1

1 of 1

Potassium iodide BioUltra, ≥99.5% (AT)

Sigma-Aldrich

60399

Potassium iodide

Determination of young's modulus of electrochemically co-deposited Ni-Al2O3 nanocomposite
Wei X, et al.
Materials Letters, 62(12-13), 1916-1918 (2008)
A monolithic micro-optical interferometer deep etched into fused silica
Weigel C, et al.
Microelectronic Engineering, 174(5), 40-45 (2017)
Micro-elastometry on whole blood clots using actuated surface-attached posts (ASAPs)
Judith RM, et al.
Lab on a chip, 15(5), 1385-1393 (2015)

Protocols

Negative Photoresist Procedure

Negative Photoresist Procedure

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service