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36400 Hydrogen tetrachloroaurate(III) trihydrate, ACS, 99.99% (metals basis), Au 49.0% min

CAS Number
Chloroauric acid

Stock No. Size Price ($) Quantity Availability
36400-03 1g 123.00
36400-06 5g 545.00
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Hydrogen tetrachloroaurate(III) trihydrate, ACS, 99.99% (metals basis), Au 49.0% min


Chemical Properties

Formula Weight
393.83 (339.79anhy)
Storage & Sensitivity
Hygroscopic. Light Sensitive. Store under Argon. Ambient temperatures.
Soluble in water. Insoluble in ether.

Grade Specifications

Maximum level of impurities: Insoluble in ether 0.1%, Alkalies and other metals (as sulfates) 0.2%


It is used for microanalysis of rubidium, cesium and in the determination of alkaloids. Usually used as a harbinger for the preparation of gold (Au) nanoparticles. It is used in the control rods of nuclear reactors and in the manufacturing of electric light filaments.


It is sensitive to light and very hygroscopic. To be stored in a tightly enclosed, light-resistant container, in a cool, dry, ventilated area.

Literature References

Luo, C.; Wen, W.; Lin, F.; Zhang, X.; Gu, H.; Wang, S. Simplified aptamer-based colorimetric method using unmodified gold nanoparticles for the detection of carcinoma embryonic antigen. RSC Adv. 2015, , 5, (15), 10994-10999.

Bao, T.; Shu, H.; Wen, W.; Zhang, X.; Wang, S. A sensitive electrochemical aptasensor for ATP detection based on exonuclease III-assisted signal amplification strategy. Anal. Chim. Acta. 2015, , 862, 64-69.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H314-H317-H335

Harmful if swallowed. Causes severe skin burns and eye damage. May cause an allergic skin reaction. May cause respiratory irritation.

Precautionary Statements: P260-P264b-P270-P271-P272-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. If skin irritation or rash occurs: Get medical advice/attention. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


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