Chemical Safety Data Sheet MSDS / SDS
Potassium tetrachloroaurate(III) hydrate
Revision Date:2026-05-31Revision Number:1
Product identifier
- Product name: Potassium tetrachloroaurate(III) hydrate
- CBnumber: CB4761697
- CAS: 27988-75-6
- EINECS Number: 237-190-1
- Synonyms: Potassium tetrachloroaurate(III) hydrate
Relevant identified uses of the substance or mixture and uses advised against
- Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
- Uses advised against: none
Company Identification
- Company: Chemicalbook
- Address: Building 1, Huihuang International, Shangdi 10th Street, Haidian District, Beijing
- Telephone: 010-86108875
GHS Label elements, including precautionary statements
-
Symbol(GHS)
- Signal wordDanger
P310 Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
Hazard statements
H412 Harmful to aquatic life with long lasting effects
H318 Causes serious eye damage
H314 Causes severe skin burns and eye damage
H302 Harmful if swallowed
H290 May be corrosive to metals
Substance
- Product name: Potassium tetrachloroaurate(III) hydrate
- Synonyms: Potassium tetrachloroaurate(III) hydrate
- CAS: 27988-75-6
- EC number: 237-190-1
- MF: AuCl4H2KO
- MW: 395.89
General Advice
Show this safety data sheet to the doctor in attendance. Immediate medical attention is required.
Eye Contact
Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Immediate medical attention is required.
Keep eye wide open while rinsing.
Keep eye wide open while rinsing.
Skin Contact
Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes. Call a physician immediately.
Inhalation
Remove to fresh air. If not breathing, give artificial respiration. Call a physician or poison control center immediately. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
Ingestion
Immediate medical attention is required. Do NOT induce vomiting. Drink plenty of water. Never give anything by mouth to an unconscious person.
Most important symptoms and effects
Causes burns by all exposure routes. Product is a corrosive material. Use of gastric lavage or emesis is contraindicated. Possible perforation of stomach or esophagus should be investigated: Ingestion causes severe swelling, severe damage to the delicate tissue and danger of perforation
Self-Protection of the First Aider
No special precautions required.
Notes to Physician
Treat symptomatically.
Suitable Extinguishing Media
Carbon dioxide (CO2). Powder. Water spray. In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. CO2, dry chemical, dry sand, alcohol-resistant foam.
Extinguishing media which must not be used for safety reasons
No information available.
Specific Hazards Arising from the Chemical
The product causes burns of eyes, skin and mucous membranes.
Protective Equipment and Precautions for Firefighters
As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear. Thermal decomposition can lead to release of irritating gases and vapors.
NFPA 704
3
0
0
| HEALTH | 3 | Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid) | |
| FIRE | 0 | Materials that will not burn under typical fire conditions, including intrinsically noncombustible materials such as concrete, stone, and sand. Materials that will not burn in air when exposed to a temperature of 820 °C (1,500 °F) for a period of 5 minutes.(e.g. Carbon tetrachloride) | |
| REACT | 0 | Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2) | |
| SPEC. HAZ. |
Personal Precautions
Use personal protective equipment as required. Evacuate personnel to safe areas. Avoid contact with skin, eyes or clothing.
Environmental Precautions
Should not be released into the environment. Do not allow material to contaminate ground water system. See Section 12 for additional Ecological Information. Avoid release to the environment. Collect spillage. Do not flush into surface water or sanitary sewer system.
Methods for Containment and Clean Up
Sweep up and shovel into suitable containers for disposal. Avoid dust formation.
Refer to protective measures listed in Sections 8 and 13.
Refer to protective measures listed in Sections 8 and 13.
Handling
Wear personal protective equipment/face protection. Do not get in eyes, on skin, or on clothing. Use only under a chemical fume hood. Do not breathe dust. Do not ingest. If swallowed then seek immediate medical assistance.
Storage
Corrosives area. Keep containers tightly closed in a dry, cool and well-ventilated place.
Specific Use(s)
Use in laboratories
Control Parameters
Monitoring methods
BS EN 14042:2003 Title Identifier: Workplace atmospheres. Guide for the application and use of procedures for the assessment of exposure to chemical and biological agents. MDHS14/3 General methods for sampling and gravimetric analysis of respirable and inhalable dust MDHS 91 Metals and metalloids in workplace air by X-ray fluorescence spectrometry MDHS 99 Metals in air by
ICP-AES
Exposure Controls
Engineering Measures
None under normal use conditions. Ensure that eyewash stations and safety showers are close to the workstation location. .
Personal protective equipment
Eye ProtectionGoggles (European standard - EN 166)
Hand Protection
Protective gloves
Inspect gloves before use.
Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves.
(Refer to manufacturer/supplier for information)
Ensure gloves are suitable for the task: Chemical compatability, Dexterity, Operational conditions, User susceptibility, e.g.
sensitisation effects, also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion.
Remove gloves with care avoiding skin contamination.
Skin and body protection
| Glove material | Breakthrough time | Glove thickness | EU standard | Glove comments |
|---|---|---|---|---|
| Natural rubber | See manufacturers | - | EN 374 | (minimum requirement) |
| Nitrile rubber | recommendations | |||
| Neoprene | ||||
| PVC |
Inspect gloves before use.
Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves.
(Refer to manufacturer/supplier for information)
Ensure gloves are suitable for the task: Chemical compatability, Dexterity, Operational conditions, User susceptibility, e.g.
sensitisation effects, also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion.
Remove gloves with care avoiding skin contamination.
Long sleeved clothing
Respiratory Protection
No protective equipment is needed under normal use conditions.
Large scale/emergency use
Use a NIOSH/MSHA or European Standard EN 136 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced
Recommended Filter type: Particle filter
Small scale/Laboratory use
Maintain adequate ventilation
Hygiene Measures
Handle in accordance with good industrial hygiene and safety practice.
Environmental exposure controls
Prevent product from entering drains.
Information on basic physicochemical properties
- ColourYellow to orange
- Melting Point/Range357 °C / 674.6 °F (with decomposition)
- Softening PointNo data available
- Boiling Point/RangeNo information available
- Flash PointNo information available
Method - No information available - Evaporation RateNot applicable Solid
- Flammability (solid,gas)No information available
- Molecular Weight377.88(anhy)
- Molecular FormulaAuCl4 K. xH2 O
- Oxidizing PropertiesNo information available
- Explosive PropertiesNo information available
- ViscosityNot applicable Solid
- Decomposition TemperatureNo data available
- Autoignition TemperatureNo data available
- Partition Coefficient (n-octanol/water)No data available
- Solubility in other solventsNo information available
- Water SolubilitySoluble in water
- Bulk DensityNo data available
- Specific Gravity / DensityNo data available
- Vapor DensityNot applicable Solid
- Vapor PressureNo data available
- Explosion LimitsNo data available
- pHNo information available
- Odor ThresholdNo data available
- OdorOdorless
- Physical StateSolid
- AppearanceNo information available
Stability
Stable under normal conditions.
Hazardous Reactions
None under normal processing.
Hazardous Polymerization
No information available.
Conditions to Avoid
None known.
Materials to avoid
Strong bases. Ammonia. Oxidizing agent.
Hazardous Decomposition Products
Hydrogen chloride. Metal oxides. Potassium oxides.
Product Information
(a) acute toxicity;
(b) skin corrosion/irritation;
Category 1 C
(c) serious eye damage/irritation;
Category 1
(d) respiratory or skin sensitization;
RespiratoryNo data available
Skin
No data available
(e) germ cell mutagenicity;
No data available
(f) carcinogenicity;
No data available
There are no known carcinogenic chemicals in this product
There are no known carcinogenic chemicals in this product
(g) reproductive toxicity;
No data available
(h) STOT-single exposure;
No data available
(i) STOT-repeated exposure;
No data available
Target Organs
No information available.
(j) aspiration hazard;
Not applicable
Solid
Solid
Symptoms / effects,both acute and delayed
Product is a corrosive material. Use of gastric lavage or emesis is contraindicated.
Possible perforation of stomach or esophagus should be investigated: Ingestion causes severe swelling, severe damage to the delicate tissue and danger of perforation
Possible perforation of stomach or esophagus should be investigated: Ingestion causes severe swelling, severe damage to the delicate tissue and danger of perforation
Ecotoxicity effects
May cause long-term adverse effects in the environment. Do not allow material to contaminate ground water system. Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. The product contains following substances which are hazardous for the environment.
Persistence and Degradability
Product contains heavy metals. Discharge into the environment must be avoided. Special pre-treatment is necessary
Persistence
based on information available, May persist.
Degradability
Not relevant for inorganic substances.
Degradation in sewage
Contains substances known to be hazardous to the environment or not degradable in waste
treatment plant
water treatment plants.
Bioaccumulative Potential
May have some potential to bioaccumulate
Mobility in soil
The product is water soluble, and may spread in water systems Will likely be mobile in the environment due to its water solubility Highly mobile in soils
Endocrine Disruptor Information
This product does not contain any known or suspected endocrine disruptors
Persistent Organic Pollutant
This product does not contain any known or suspected substance
Ozone Depletion Potential
This product does not contain any known or suspected substance
Waste from Residues/Unused Products
Waste is classified as hazardous. Dispose of in accordance with the European Directives on waste and hazardous waste. Dispose of in accordance with local regulations.
Contaminated Packaging
Dispose of this container to hazardous or special waste collection point.
Other Information
Do not flush to sewer. Waste codes should be assigned by the user based on the application for which the product was used. Do not empty into drains. Large amounts will affect pH and harm aquatic organisms. Do not let this chemical enter the environment.
Road and Rail Transport
UN-NoUN3260
Proper Shipping Name
Corrosive solid, acidic, inorganic,n.o.s.
Technical Shipping Name
(Potassium tetrachloroa urate(III) hydrate)
Hazard Class
8
Packing Group
III
IMDG/IMO
UN-NoUN3260
Proper Shipping Name
Corrosive solid, acidic, inorganic,n.o.s.
Technical Shipping Name
(Potassium tetrachloroa urate(III) hydrate)
Hazard Class
8
Packing Group
III
IATA
UN-NoUN3260
Proper Shipping Name
Corrosive solid, acidic, inorganic,n.o.s.
Technical Shipping Name
(Potassium tetrachloroa urate(III) hydrate)
Hazard Class
8
Packing Group
III
Special Precautions for User
No special precautions required
International Inventories
X = listed, China (IECSC), Europe (EINECS/ELINCS/NLP), U.S.A. (TSCA), Canada (DSL/NDSL), Philippines (PICCS), Japan (ENCS), Japan (ISHL), Australia (AICS), Korea (KECL).
| Component | The Inventory of Hazardous Chemicals (2015 Edition) | List of dangerous goods GB 12268 - 2012 | TCSI | IECSC | EINECS | TSCA | DSL | PICCS | ENCS | ISHL | AICS | KECL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Potassium tetrachloroaurate(III) hydrate | - | - | X | - | - | - | - | - | - | - | - |
National Regulations
Prepared By
Health, Safety and Environmental Department
Revision Date
22-Sep-2025
Revision Summary
Not applicable.
Training Advice
Chemical hazard awareness training, incorporating labelling, Safety Data Sheets (SDS), Personal Protective Equipment (PPE) and hygiene.
Legend
CASChemical Abstracts Service
TSCA
United States Toxic Substances Control Act Section 8(b)
Inventory
EINECS/ELINCS
Inventory
European Inventory of Existing Commercial Chemical
Substances/EU List of Notified Chemical Substances
DSL/NDSL
Substances/EU List of Notified Chemical Substances
Canadian Domestic Substances List/Non-Domestic
Substances List
PICCS
Substances List
Philippines Inventory of Chemicals and Chemical Substances
ENCS
Japanese Existing and New Chemical Substances
IECSC
Chinese Inventory of Existing Chemical Substances
AICS
Australian Inventory of Chemical Substances
KECL
Korean Existing and Evaluated Chemical Substances
NZIoC
New Zealand Inventory of Chemicals
WEL
Workplace Exposure Limit
TWA
Time Weighted Average
ACGIH
American Conference of Governmental Industrial Hygienists
IARC
International Agency for Research on Cancer
DNEL
Derived No Effect Level
PNEC
Predicted No Effect Concentration
RPE
Respiratory Protective Equipment
LD50
Lethal Dose 50%
LC50
Lethal Concentration 50%
EC50
Effective Concentration 50%
NOEC
No Observed Effect Concentration
POW
Partition coefficient Octanol:Water
PBT
Persistent, Bioaccumulative, Toxic
vPvB
very Persistent, very Bioaccumulative
ICAO/IATA
International Civil Aviation Organization/International Air
Transport Association
IMO/IMDG
Transport Association
International Maritime Organization/International Maritime
Dangerous Goods Code
ADR
Dangerous Goods Code
European Agreement Concerning the International Carriage of
Dangerous Goods by Road
MARPOL
Dangerous Goods by Road
International Convention for the Prevention of Pollution from
Ships
OECD
Ships
Organisation for Economic Co-operation and Development
ATE
Acute Toxicity Estimate
BCF
Bioconcentration factor
VOC
(Volatile Organic Compound)
Key literature references and sources for data
https://echa.europa.eu/information-on-chemicals
Suppliers safety data sheet, Chemadvisor - LOLI, Merck index, RTECS
Suppliers safety data sheet, Chemadvisor - LOLI, Merck index, RTECS
Disclaimer
The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text
Disclaimer:
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.
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