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| CAS号 : | 127-68-4 |
精确质量 : | 224.97100 |
| 分子式 : | C6H4NNaO5S |
logP : | 2.10290 |
| 分子量 : | 225.15400 |
PSA : | 111.40000 |
3-硝基苯磺酸钠 | |
Sodium 3-nitrobenzenesulphonate | |
127-68-4 | |
C6H4NNaO5S | |
225.15400 | |
111.40000 | |
2.10290 | |
224.97100 |
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灰白色至黄色粉末
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100 °C
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215 - 219ºC
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350 °C
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1.637g/cm3
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200 g/L (20 ºC)
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Stable. Hygroscopic. Incompatible with strong oxidizing agents.
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
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DB7195000
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1
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S24-S26-S37
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2904209090
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Xi
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R36; R43
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品名, 成分含量, 用途 |
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2904209090 其他仅含硝基或亚硝基的衍生物。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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2904209090 derivatives containing only nitro or only nitroso groups。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
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HS:2904209090.Derivatives containing only nitro or only nitroso groups. General tariff:5.5% |
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在搪瓷釜中,先加入350份发烟硫酸,控制釜温0~5℃,在搅拌下缓缓加入硝基苯,在1h内加守132份硝基苯后使釜温升至100℃,保温2h。取样测磺化终点(将1~2滴物料滴入10ml盛有清水的试管中,无浑浊证明到终点)。磺化反应完成后,冷却,缓缓加入冰水中,并在3h左右加入 | |
是染料中间体,用作还原染料、硫化染料的防染剂和染料的成色保护剂,并可用作船舶的防锈剂及电镀退镍剂 |