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Chiral Intermediates

2-Hydroxy-6-naphthoic acid (HNA) CAS No. 16712-64-4

Category:

Chiral Intermediates

CAS NO:

16712-64-4

Standard:

ChP,USP,BP,In-house Standards,

Price Range:

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Main Sales Markets:

North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa

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ZHEJIANG SHENGXIAO CHEMICALS CO.,LTD.

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Basic Info

CAS Number

16712-64-4

Pharmacopoeia

ChP,USP,BP,In-house Standards

Grade

Pharmaceutical Grade

Is Manufacturer

Samples Provided

YES

Sample Policy

Sample free, freight to be born by the buyer

Packaging & Delivery

Packaging Specification

25kg/bag, 500kg/ bag

Minimum Order Quantity

25kg

Delivery Cycle

10 days

Product Description

6-HYDROXY-2-NAPHTHOIC ACID(2,6-BON)

Basic Information

Product Number:SX1002
6-Hydroxy-2-naphthalene carboxylic acid;2-Hydroxy-6-naphthoic acid
Molecular formula: C₁₁H₈O₃
Molecular weight: 188.18
CAS: 16712-64-4

EINECS No: 240-759-7

Physical and chemical properties

Appearance: white to light yellow powder (superior grade), light yellow to light brown powder or lump (qualified product).

Melting point≥245℃,

Solubility: soluble in ethyl alcohol, diethyl ether, benzene, trichloromethane and alkaline solution, slightly soluble in hot water, almost insoluble in cold water.

Detailed Description
Quality index

ITEM	SPECIFICATION	TEST METHOD
Purity(%)	≥99.5% 99.5% MIN	HPLC
2,3-HNA(%)	≤0.05 0.05 MAX	HPLC
2-Naphthol(%)	≤0.1 0.1 MAX	HPLC
2-Naphthalene Sulfonic Acid(%)	≤0.002 0.002 MAX	HPLC
HNDA(%)	≤0.05 0.05 MAX	HPLC
2,6-HNA Methyl Ester(%)	≤0.1 0.1 MAX	HPLC
1,1-Bi(2-Naphthol)(%)	≤0.1 0.1 MAX	HPLC
Melting Point(℃)	245-247	Digital Melting Apparatus
Moisture(%)	≤0.1 0.1 MAX	Baking Oven
Bulk Density(Kg/L)	≥0.48 0.48 MIN	Gravimetry
Sulfur(PPM)	≤50 50 MAX	Sulfur Analyzer
Insolubles (PPM)	≤50 50 MAX	Gravimetry
Color (Pt-Co)	≤50 50 MAX	Colourimetry 1g in 50ml Methanol
Potassium K (PPM)	≤10 10 MAX	AAS
Sodium Na (PPM)	≤10 10 MAX	AAS
Iron Fe (PPM)	≤10 10 MAX	AAS
Calcium+Magnesium Ca+Mg (PPM)	≤10 10 MAX	AAS

Application

This product functions as an important organic intermediate of engineering plastics, organic pigments, liquid crystal materials and medicines and as monomer of temperature-resistant synthetic materials.
Packing

Double-layer plastic woven bag, net weight is 25kg, or pp bag, net weight is 500kg/bag or 1000kg/bag.