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===under info was translated buy computer===
| Chemical formula: | C10H9NO4S |
|---|---|
| Molecular weight: | 239.25 |
| Alternative name: | 1,2,4-aminonaphthol |
| English Name: | 1-Naphthalenesulfonic acid |
| Melting point: | 290 ° C (decomposition) |
| Toxicity: | Low toxicity, LD50: 3200mg / kg (rat, oral) |
| Dangerous goods sign: | Xi |
| Hazard category code: | 36/37/38 |
| Safety instructions: | 37/39-26 |
| Purpose: | Used to make azo dyes. A reagent for the spectrophotometric determination of silicon. Determination of phosphate and silicate |
| Packing: | bottled |
| Product specification: | 0.025 |
| Level: | Analytical pure AR |
| Appearance: | White or gray acicular crystal |
| Content: | 97 (%) |
| CAS： | 116-63-2 |
| Use category: | Standard product |
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