- Product Details
Keywords
- 1-Naphthylamine-4-sulfonic acid, sodium salt
- Naphthoic Acid Sodium Salt
- Sodium 4-amino-1-naphthalenesulfonate
Quick Details
- ProName: Sodium naphthionate
- CasNo: 130-13-2
- Molecular Formula: C10H8NNaO3S
- Appearance: Greyish-white Crystal
- Application: In the preparation of acid, direct dye...
- DeliveryTime: in 15-20 days
- PackAge: In plastic woven bag of 50kgs nett or ...
- Port: china main port
- ProductionCapacity: 3000 Metric Ton/Year
- Purity: 74% min
- Storage: in a dry and ventilated place
- Transportation: by vessel
- LimitNum: 1 Metric Ton
Superiority
Productname:SodiumNaphthionate Specification:appearance:off-whitecrystal
Details
Product name: Sodium Naphthionate
Specification: appearance: off-white crystal
total amino value: 74% min
1-naphthylamine: 0.02% max
water insoluble matter: 0.10% max
Use: in the preparation of acid, direct dyes and edible red pigment, and nitrites, also used as antidote for poisoning of iodine
Product name: Sodium Naphthionate
Molecular formula: N10H8O3NSNa
Molecular weight: 245.23
Nature and use:
Sodium Naphthionate is a greyish-white crystal.
Ashen crystallization, turn into rose-colored gradually among air, very much easy to
dissolve on ink, Do not dissolve it in the ethanol . Product this sulphurate but make by
1-naphthyl-amine , use as the intermedia of the azo dyes mainly.
Quality index:
Name of index
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Index
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|
Excellent product
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First-class product
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|
Appearance
|
Ashen crystallization
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Ashen crystallization
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Total amino %
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≥ 75.0
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≥ 74.0
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1-naphthyl-amine %
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≤ 0.02
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≤ 0.02
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Water insoluble matter %
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≤ 0.10
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≤ 0.20
|