1-萘酚-3,6-二磺酸钠 (CAS No.20349-39-7)
- 物化性质
- 白色至浅黄色结晶性粉末,易溶于水,微溶于乙醇,不溶于乙醚和苯。在潮湿空气中易吸湿,加热至300℃以上分解。水溶液近中性。
- 外观
- 白色至浅黄色结晶性粉末
English description(英文原文,共 984 字符)
Product Name:1-Naphthol-3,6-disulfonic acid disodium salt
English Name:1-Naphthol-3,6-disulfonic acid disodium salt
CAS No.:20349-39-7
Aliases:1-Hydroxynaphthalene-3,6-disulfonic acid disodium salt, 3,6-Disulfo-1-naphthol disodium salt
Molecular Formula:C10H6Na2O7S2
Physical Properties:White to light yellow crystalline powder. Freely soluble in water, slightly soluble in ethanol, insoluble in ether and benzene. Hygroscopic in humid air. Decomposes above 300 °C. The aqueous solution is nearly neutral.
Uses:Mainly used as an intermediate in the synthesis of azo dyes, acid dyes and reactive dyes. Also employed in the preparation of chromotropic acid and other naphthalene-based fine chemicals, and used as an analytical reagent for the detection of metal ions.
Technical Specifications:
Appearance: white to light yellow crystalline powder
Assay (HPLC): ≥98.0%
Loss on drying: ≤2.0%
Aqueous solution (10% w/v): clear and transparent
pH (10% aqueous solution): 5.0–7.0
English Name:1-Naphthol-3,6-disulfonic acid disodium salt
CAS No.:20349-39-7
Aliases:1-Hydroxynaphthalene-3,6-disulfonic acid disodium salt, 3,6-Disulfo-1-naphthol disodium salt
Molecular Formula:C10H6Na2O7S2
Physical Properties:White to light yellow crystalline powder. Freely soluble in water, slightly soluble in ethanol, insoluble in ether and benzene. Hygroscopic in humid air. Decomposes above 300 °C. The aqueous solution is nearly neutral.
Uses:Mainly used as an intermediate in the synthesis of azo dyes, acid dyes and reactive dyes. Also employed in the preparation of chromotropic acid and other naphthalene-based fine chemicals, and used as an analytical reagent for the detection of metal ions.
Technical Specifications:
Appearance: white to light yellow crystalline powder
Assay (HPLC): ≥98.0%
Loss on drying: ≤2.0%
Aqueous solution (10% w/v): clear and transparent
pH (10% aqueous solution): 5.0–7.0
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常见问题
- 1-萘酚-3,6-二磺酸钠的 CAS 号是多少?
- 1-萘酚-3,6-二磺酸钠的 CAS 号是 20349-39-7。
- 1-萘酚-3,6-二磺酸钠的分子式和分子量是什么?
- 1-萘酚-3,6-二磺酸钠的分子式为 C10H6Na2O7S2。
- 1-萘酚-3,6-二磺酸钠的英文名称是什么?
- 1-萘酚-3,6-二磺酸钠的英文名称为 1-Naphthol-3,6-disulfonic acid disodium salt。
- 1-萘酚-3,6-二磺酸钠还有哪些别名?
- 1-萘酚-3,6-二磺酸钠又称 1-羟基萘-3,6-二磺酸二钠盐、3,6-二磺酸-1-萘酚二钠盐。
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