4-氨基-5-羟基萘-2,7-二磺酸单钠盐 (CAS No.343321-59-5)
- 物化性质
- 白色至灰白色结晶性粉末,易溶于水,微溶于乙醇,不溶于乙醚。水溶液呈弱酸性,熔点大于300℃(分解)。
- 外观
- 白色至灰白色结晶性粉末
English description(英文原文,共 871 字符)
Product Name:4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid monosodium salt
English Name:4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid monosodium salt
CAS No.:343321-59-5
Aliases:H-acid monosodium salt, 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt
Molecular Formula:C10H10NNaO8S2
Physical Properties:White to off-white crystalline powder, soluble in water, slightly soluble in ethanol, insoluble in ether. The aqueous solution is weakly acidic. Melting point >300°C (decomposition).
Uses:Mainly used as a dye intermediate for the synthesis of azo dyes, reactive dyes, acid dyes and direct dyes. Also used as an indicator and organic synthesis intermediate.
Technical Specifications:
Appearance: White to off-white crystalline powder
Assay (on dry basis): ≥98%
Water-insoluble matter: ≤0.1%
Water content: ≤0.5%
pH (1% aqueous solution): 2.0-3.0
English Name:4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid monosodium salt
CAS No.:343321-59-5
Aliases:H-acid monosodium salt, 8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt
Molecular Formula:C10H10NNaO8S2
Physical Properties:White to off-white crystalline powder, soluble in water, slightly soluble in ethanol, insoluble in ether. The aqueous solution is weakly acidic. Melting point >300°C (decomposition).
Uses:Mainly used as a dye intermediate for the synthesis of azo dyes, reactive dyes, acid dyes and direct dyes. Also used as an indicator and organic synthesis intermediate.
Technical Specifications:
Appearance: White to off-white crystalline powder
Assay (on dry basis): ≥98%
Water-insoluble matter: ≤0.1%
Water content: ≤0.5%
pH (1% aqueous solution): 2.0-3.0
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常见问题
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐的 CAS 号是多少?
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐的 CAS 号是 343321-59-5。
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐的分子式和分子量是什么?
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐的分子式为 C10H10NNaO8S2。
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐的英文名称是什么?
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐的英文名称为 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid monosodium salt。
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐还有哪些别名?
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐又称 H酸单钠盐、8-氨基-1-萘酚-3,6-二磺酸单钠盐。
- 4-氨基-5-羟基萘-2,7-二磺酸单钠盐有哪些供应商和生产厂家?
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