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| CAS号 : | 532-02-5 |
精确质量 : | 230.00100 |
| 分子式 : | C10H7NaO3S |
logP : | 2.82470 |
| 分子量 : | 230.21600 |
PSA : | 65.58000 |
2-萘磺酸钠 | |
Sodium 2-naphthalenesulfonate | |
532-02-5 | |
C10H7NaO3S | |
230.21600 | |
65.58000 | |
2.82470 | |
230.00100 |
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固体
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>275ºC (dec.)
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1.423g/cm3
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Stable under normal temperatures and pressures.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from water.
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QK3678000
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2
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S26-S36-S37/39
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Xi
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R36/37/38
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2904100000
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HS:2904100000.Derivatives containing only sulpho groups, their salts and ethyl esters |
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品名, 成分含量, 用途 |
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2904100000 仅含磺基的衍生物及其盐和乙酯。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0% |
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2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
由萘经磺化生2-萘磺酸,用氧化钙的水悬浮液中和,过滤。将2-萘磺酸钙盐的稀滤液浓缩,冷却,结晶,过滤。滤饼再溶于热水中,加饱和碳酸钠溶液至碱性,冷却后滤除碳酸钙,滤液浓缩,冷却,结晶,得2-萘磺酸钠。 | |
用作动物胶的乳化剂,也用于有机合成 |
