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| Model No.︰ | - |
| Brand Name︰ | - |
| Country of Origin︰ | China |
| Unit Price︰ | - |
| Minimum Order︰ | - |
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ITEM
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Standard
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Content
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80% min
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Range of color change
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pass
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Loss on drying
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15% max
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Residue on ignition (SO4)
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0.5% max
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Arsenic (As)
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0.0005% max
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Zinc (Zn)
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0.02% max
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Copper (Cu)
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0.03%
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Ethanol dissolving testing
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Pass
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| specifications︰ | Methylene blue trihydrate
Molecular formula : C16H18ClN3S.3H2O
CAS NO. 7220-79-3
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