Chloroauric Acid


Product #
Chloroauric Acid
Hydrogen tetrachloroaurate(III)hydrate, tetrachloroauric(III)acid hydrate
CAS Number
Molecular Weight
335.79 (anhy.)
Color & Form
Orange-yellow solid
Melting Point
254° C (dec.)
Specific Gravity
Solubility in water
Very soluble

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Transportation Information
UN3260, Corrosive solid, acidic, inorganic, n.o.s., 8, II
  • Pictogram: Corrosive
  • Pictogram: Irritant
Signal Word
Hazardous Statements
  • H290
    May be corrosive to metals.
  • H302
    Harmful if swallowed.
  • H314
    Causes severe skin burns and eye damage.
  • H317
    May cause an allergic skin reaction.
Precautionary Phrases
  • P261
    Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P264
    Wash skin thoroughly after handling.
  • P270
    Do not eat, drink or smoke when using this product.
  • P271
    Use only outdoors or in a well-ventilated area.
  • P280
    Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P312
    IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
  • P303+P361+P353
    IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
  • P304+P340
    IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
  • P305+P351+P338+P310
    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.
Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).