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HomeProduct name listAmmonium hypophosphite

Ammonium hypophosphite

Synonym(s):Ammonium phosphinate

  • CAS NO.:7803-65-8
  • Empirical Formula: H3N.H3O2P
  • Molecular Weight: 83.03
  • MDL number: MFCD00050356
  • EINECS: 232-266-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:52
Ammonium hypophosphite Structural

What is Ammonium hypophosphite?

Chemical properties

white crystals

The Uses of Ammonium hypophosphite

As catalyst in polyamide manufacture.

General Description

White crystalline solid. Sinks and mixes with water.

Air & Water Reactions

Water soluble. Ammonium hypophosphite liberates spontaneously flammable phosphine at about 240°C [Mellor 8:880 1946-47].

Reactivity Profile

Ammonium hypophosphite liberates spontaneously flammable phosphine at about 240°C [Mellor 8:880 1946-47]. Some inorganic materials, such as hypophosphites, tend to form explosive mixtures with perchloric acid when hot [Analyst 84:215 1959].

Hazard

Evolves flammable and toxic fumes on heating.

Health Hazard

Non-toxic or low toxicity unless heated to decomposition (240°C).

Flammability and Explosibility

Not classified

Purification Methods

Crystallise it from hot EtOH.

Properties of Ammonium hypophosphite

Melting point: 155-160 °C
Density  1.634 [CRC10]
solubility  very soluble in H2O; slightly soluble in ethanol; insoluble in acetone
form  white hygroscopic crystals
color  white hygroscopic crystals, crystalline
Water Solubility  1000 g/L
Merck  13,530
CAS DataBase Reference 7803-65-8(CAS DataBase Reference)
EPA Substance Registry System Ammonium hypophosphite (7803-65-8)

Safety information for Ammonium hypophosphite

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Ammonium hypophosphite

InChIKey ZRDXIILBYDTYOA-UHFFFAOYSA-N

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