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Home > Analytical Chemistry > Analysis Reagents > Chloroauric acid for Sale > Chloroauric Acid 47.8% Au AR Grade CAS 16903-35-8 Analytical Reagent and Gold Plating
Chloroauric Acid 47.8% Au AR Grade CAS 16903-35-8 Analytical Reagent and Gold Plating buy - large image1
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Chloroauric Acid 47.8% Au AR Grade CAS 16903-35-8 Analytical Reagent and Gold Plating buy - image5
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Chloroauric Acid 47.8% Au AR Grade CAS 16903-35-8 Analytical Reagent and Gold Plating

13 Inquiries

Unit Price:

$89-112/G FOB

Get Latest Price
CAS No.:

16903-35-8

Grade:

Analytical Reagent

Content:

48%

Port:

Qingdao

Brand:

//

Packaging:

bag

Sample Available:

Yes

Price valid (until):

2026-11-11

Company Type:
Trader
Location:
China
Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance
Average Lead Time:
7 days
Qualification:
Main Products:

Medetomidine,Medetomidine hydrochloride,D-Lysergic Acid Methyl Ester,SR17018,Fluralaner,GS-441524

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Shop Chloroauric Acid 47.8% Au AR Grade CAS 16903-35-8 Analytical Reagent and Gold Plating-Detailed Image 1

    Product Overview
    Chloroauric acid is a golden-yellow crystalline inorganic compound containing ≥47.8% gold. It is supplied at AR grade for analytical chemistry, gold plating, and pharmaceutical applications. It is highly soluble in water and ethanol .

    Synthetic Process
    Chloroauric acid is produced by dissolving pure gold in aqua regia, followed by distillation and crystallization .

    Mechanism of Action
    As a gold(III) salt, it serves as a source of gold ions for electroplating and as a precursor for gold nanoparticles and gold-based catalysts. It is also used in analytical chemistry for the determination of alkaloids and rubidium/cesium .

    Quality Specifications

    • Au content: ≥47.8%

    • Appearance: golden-yellow crystals

    • AR grade

    • Soluble in water, ethanol, ether

    • Batch-specific Certificate of Analysis (COA)

    • GHS hazard: H290 (may be corrosive to metals), H302 (harmful if swallowed), H314 (causes severe skin burns and eye damage), H373 (may cause damage to organs), H411 (toxic to aquatic life with long lasting effects)

    Packaging & Storage
    Available in 1g, 5g, 10g and 25g bottles. Store at 2-8°C, protected from light and moisture. Shelf life 24 months.

    Parameter Specification Details
    Product Name Chloroauric acid —
    CAS Number 16903-35-8 —
    Molecular Formula HAuCl₄·4H₂O —
    Molecular Weight 411.85 —
    Category Chemical Reagents / Analytical Reagents —
    Au Content ≥47.8% Titration
    Appearance Golden-yellow crystals Visual inspection
    Grade AR Grade Analytical Reagent
    Packaging 1g, 5g, 10g, 25g Bottles
    Storage 2-8°C, protected from light Sealed container
    Shelf Life 24 months Proper storage
    Application Analytical reagent, gold plating, gold nanoparticles Industrial use
    Shop 2-(4-(Aminomethyl)phenyl)-2-methylpropanenitrile  Aromatic Amine Building Block CAS 1006390-32-4 Pharmaceutical Intermediate-Detailed Image 2

    Jinan Topfull Chemical Co., Ltd. is an international company rooted in China, specializing in the export of chemical products.

    Our company is committed to making every effort to provide ideal chemical products to potential customers worldwide, including but not limited to: organic/inorganic reagents, biological reagents, plant extracts, pharmaceutical intermediates, active pharmaceutical ingredients (APIs), reference standards, reference substances, peptides, and more. Meanwhile, we have established long-term and stable cooperative relationships with university laboratories and off-campus research institutions, enabling us to offer tailored product services based on customers' actual needs.

    We currently support customized services for most product categories, with supply quantities ranging from milligram (mg), gram (g) to kilogram (kg) levels, as well as wholesale. Product purity covers the full spectrum from 90% to 99.9%, providing customers with one-stop convenient services.

    To date, our products have been exported to developed countries such as the United States, Australia, Canada, Mexico, as well as EU member states including France, Germany, and many other countries and regions such as Nigeria, Ghana, Southeast Asia, and other parts of Asia. Our product quality and services have consistently received high praise.

    Looking ahead, our company will continue to serve as a bridge connecting China and the world, delivering high-quality products and services to global customers.

    Shop 2-(4-(Aminomethyl)phenyl)-2-methylpropanenitrile  Aromatic Amine Building Block CAS 1006390-32-4 Pharmaceutical Intermediate-Detailed Image 3
    Shop 2-(4-(Aminomethyl)phenyl)-2-methylpropanenitrile  Aromatic Amine Building Block CAS 1006390-32-4 Pharmaceutical Intermediate-Detailed Image 4

    Q1: How to confirm the product quality before placing orders?
    A: By sending you available samples. Or if you have special requirements for the goods, we can prepare samples according to your requirements for confirmation.

    Q2: Can you supply free samples?
    A: Yes, we can provide a free sample, but the shipping cost will be paid by the customers. You can either pay the shipping cost or arrange a courier to collect the samples.

    Q3: How do you treat quality complaints?
    A: All our products are strictly tested by our QC and confirmed by QA; unqualified material will not be released to customers. If any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately.

    Q4: What is your MOQ? Is there a discount?
    A: For highvalue products, our MOQ starts from 1g and generally starts from 10g. For other lowprice products, our MOQ starts from 100g and 1kg.
    Q: Is there a discount?
    A: Yes, for larger quantities, we always support with better prices.

    Q5: How to start orders or make payments?
    A: You can send us your Purchase Order (if your company has one), or just send a simple confirmation by email or via Trade Manager. We will then send you a Proforma Invoice with our bank details for your confirmation, and you can make payment accordingly. If you have other preferred payment methods, we are open to discussion and negotiation.

    ECHEMI Editorial Reference
    golden to yellowish brown crystals or powderChloroalic acid is also known as ''gold chloride'', ''gold chloride tetrahydrate''. Chemical formula is HAuCl4 • 4H2O. Molecular weight is 411.85. It is a yellow needle crystal. It is toxic and corrosive. It is easily soluble in water, and soluble in ethanol and ether, and slightly soluble in chloroform. Anhydrous chloroauric acid can be crystallized from the ethanol solution. It will decompose under heat condition, and decompose into gold trichloride

    Basic Info
    Product Name:

    Chloroauric acid

    Other Name:

    Aurate(1-),tetrachloro-,hydrogen (1:1),(SP-4-1)-;Aurate(1-),tetrachloro-,hydrogen;Aurate(1-),tetrachloro-,hydrogen,(SP-4-1)-;Chloroauric(III) acid;Chloroauric acid;Chloroauric acid (HAuCl4);Hydrogen tetrachloroaurate (III);Hydrogen tetrachloroaurate;Auric acid (HAuCl4);Gold trichloride hydrochloride;Gold chloride (AuCl3),hydrochloride;Tetrachloroauric acid;Chlorauric acid;Brown gold chloride;Chlorooauric acid (HAuCl4);Tetrachloroauric acid (HAuCl4);Hydrogen tetrachloroaurate(1-);Gold hydrogen chloride (AuHCl4);Gold tetrachloride (HAuCl4);G 4022;Tetrachloroauric(III) acid;137355-36-3;1335-28-0;52562-86-4;81853-52-3;90907-74-7;91947-07-8;147142-02-7;172825-39-7;1228031-19-3

    CAS No.:

    16903-35-8

    Molecular Formula:

    AuCl4.H

    InChIKeys:

    InChIKey=VDLSFRRYNGEBEJ-UHFFFAOYSA-K

    Molecular Weight:

    339.79

    Exact Mass:

    337.849731

    EC Number:

    240-948-4

    Categories:

    Analysis Reagents

    Characteristics
    PSA:

    0 Ų

    XLogP3:

    2.86800

    Appearance:

    yellow Liquid

    Density:

    3.9 g/mL at 25 °C

    Melting Point:

    30°C

    Boiling Point:

    100 °C

    Water Solubility:

    Miscible with water, alcohol, ester, ether and ketone.

    Storage Conditions:

    2-8°C

    Hazard Identification

    Classification of the substance or mixture

    Corrosive to metals, Category 1

    Acute toxicity - Category 4, Oral

    Skin corrosion, Sub-category 1B

    Serious eye damage, Category 1

    Specific target organ toxicity – repeated exposure, Category 2

    Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H290 May be corrosive to metals

    H302 Harmful if swallowed

    H314 Causes severe skin burns and eye damage

    H318 Causes serious eye damage

    H373 May cause damage to organs through prolonged or repeated exposure

    H411 Toxic to aquatic life with long lasting effects

    Precautionary statement(s)
    Prevention

    P234 Keep only in original packaging.

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P273 Avoid release to the environment.

    Response

    P390 Absorb spillage to prevent material damage.

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

    P363 Wash contaminated clothing before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P316 Get emergency medical help immediately.

    P321 Specific treatment (see ... on this label).

    P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P317 Get medical help.

    P319 Get medical help if you feel unwell.

    P391 Collect spillage.

    Storage

    P406 Store in a corrosion resistant/...container with a resistant inner liner.

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Medetomidine,Medetomidine hydrochloride,D-Lysergic Acid Methyl Ester,SR17018,Fluralaner,GS-441524

    Location:

    RONGSHENG BEIYUANDAJIE 9, LICHENG DISTRICT,JINAN, SHANDONG CHINA

    Payment Terms:

    TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    7 days

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    11-50

    Year of Establishment:

    2022

    Jinan Topfull Chemical Co., Ltd. is a global chemical Industrial and focuses on advanced chemical technology. Specialized in Cosmetic materials, water treatment, fine chemicals and so on. We are looking forward to working together with the people of all circles at home and abroad to seek common development!
  • Inquiry History
    13 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    Chloroauric acid

    50 KG Jun 18, 2025
    Australia

    Chloroauric Acid

    500 MT Jan 28, 2025
    United States

    Chloroauric Acid

    1 KG Mar 1, 2024
    India

    Chloroauric acid

    50 L Sep 11, 2026
    Georgia

    AuCl3

    1 KG Mar 29, 2024
    India

    Chloroauric acid

    5 KG Feb 28, 2024
    United States

    Tetrachloroauric Acid

    1 KG Jan 29, 2024
    United Kingdom

    Chloroauric acid With Fast Delivery

    1 KG Jan 24, 2024
    South Africa

    Chloroauric acid

    1 KG Mar 6, 2025
    India

    Chloroauric acid

    1 KG Jul 25, 2024
    United Kingdom

    Chloroauric Acid

    1 KG May 19, 2024
    United States

    Chloroauric Acid

    1 KG Dec 21, 2023
    United States

    Chloroauric acid

    1 KG Dec 15, 2023
    Post an enquiry for this product
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