1-NAPHTHOL AR 
SUDAN III FOR MICROSCOPY 
Block SC-24C 
Assay (GC) Min 99.8 %
Acidity/alkalinity (meq/g) Max 0.0002
Residue after evaporation (ppm) Max 5
Water Max 0.05 %
Absorbance at 250 nm A.U. Max 0.5
Absorbance at 260 nm A.U. Max 0.075
Absorbance at 270 nm A.U. Max 0.01
Absorbance at 280 nm A.U. Max 0.005
Appearance Clear colourless Mobile liquid
| CAS No. | 67-66-3 |
|---|---|
| Molecular Formula | CHCI3 |
| Molecular Weight | 119.38 |
| HS Code | 2903.1300 |
| Symbol | GHS07, GHS08 |
| Signal Word | Warning |
| UN No. | 1888 |
| IMCO Class No. | 6.1 |
| Hazardous Statement | H331-H302- H351-H319- H361d-H315-H372 |
| Precaution Statement | P201-P280-P302+P352-P304+P340-P305+P351+P338-P308+P313-P403+P233-P501 |
| Packing | 1 L |
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CHLOROFORM FOR HPLC (Stabilized with Amylene)
Trichloromethane
