ERIOCHROME BLACK T LR 
Tolerance +/- 0.0005M
Appearance Purple solution
The standardisation material (sodium thiosulphate) is a secondary reference material traceable to NIST Standard Reference Material arsenic trioxide, number 83d.
| CAS No. | 7722-64-7 |
|---|---|
| Molecular Formula | KMnO4 |
| Molecular Weight | 158.03 |
| HS Code | 2841.6100 |
| UN No. | 3082 |
| IMCO Class No. | 9 |
| Hazardous Statement | H411-H361d |
| Precaution Statement | P201-P202-P273-P280-P308+P313-P391-P405-P501 |
| Safety Statement | 61 |
| Risk Statement | 52/53 |
| Packing | 1 L |
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POTASSIUM PERMANGANATE 0.2 (1N) STANDARDIZED SOLUTION traceable to NIST
