Ammonium oxalate monohydrate

CAS Number : 6009-70-7

WHMIS (Ammonium oxalate monohydrate)

Workplace Hazardous Materials Information System

WHMIS 1988 classification - Note to reader
Update: 2004-08-02
  • WHMIS pictogram :


  • Toxic Material Causing Other Toxic Effects 1
  • eye irritation in animals

Disclosure at 1,0% according to classification criteria

WHMIS 2015 classification - Note to reader
Update: 2016-07-04

  • Serious eye damage/eye irritation - Category 22 3

  • WHMIS 2015 pictogram : Exclamation mark


Causes serious eye irritation (H319)

Ingredient disclosure

Comments: Due to the lack of data, classification regarding eye irritation (H319) was established by analogy to sodium oxalate.


The [number] refers to the ISST database of the CSST Documentation Center.