What are the Safety Categories and Hazard Signs for Ammonium Metatungstate Hydrate?

The safety categories and hazard symbols for ammonium metatungstate hydrate can be summarized as follows:

Safety category information for ammonium metatungstate hydrate:

– CAS number of ammonium metatungstate hydrate: 12333-11-8

– Molecular formula of ammonium metatungstate hydrate: H2O.6H3N.H8O40W12.

– Molecular weight of ammonium metatungstate hydrate: 2974.32000 (or 2956.3, depending on the specific molecular formula and calculation)

Hazard symbols and related information for ammonium metatungstate hydrate:

  1. Hazard symbol for ammonium metatungstate hydrate: Xn – Harmful substances
  2. Risk terminology for ammonium metatungstate hydrate (R-phrase)

o R22 – Harmful if swallowed

o R38 – irritating to eyes

o There may be other risk terms related to skin contact, hazards in the aquatic environment, etc. that are not explicitly listed in the reference article provided

  1. Safety terms for ammonium metatungstate hydrate (S-phrase)

o S26 – After inadvertent contact with eyes, flush immediately with plenty of water and seek medical advice

o S36 – Wear suitable protective clothing

o S39 – Wear goggles or a mask

o S60 – The substance and its container must be disposed of as hazardous waste.

o There may be other safety terms related to safe handling, storage and disposal

  1. GHS classification of ammonium metatungstate hydrate:

o Health Hazard:

 Acute toxicity (oral): AcuteTox.4

 Acute toxicity (percutaneous): AcuteTox.4

 Severe Damage/Eye Irritation: EyeDam.1

o Environmental Hazards:

 Acute aquatic toxicity: AquaticAcute1

5 GHS labeling elements for ammonium metatungstate hydrate:

o GHS05: Corrosive

o GHS07: exclamation point (indicates hazard)

Summary:

Ammonium metatungstate hydrate is classified as a hazardous material with risks of being harmful if swallowed and irritating to the eyes. Use, storage and disposal require strict adherence to relevant safety regulations, wearing of appropriate protective equipment and proper disposal of waste.

More details of ammonium metatungstate product, please visit website: http://ammonium-metatungstate.com/
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