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4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID

4-Amino-3-hydroxy-1-naphthalenesulfonic acid

CAS: 116-63-2

Molecular Formula: C10H9NO4S

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4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Names and Identifiers

Name 4-Amino-3-hydroxy-1-naphthalenesulfonic acid
Synonyms 1-Amino-2-naphthol-4-sulfonic acid
4-Amino-3-hydroxynaphthalene-1-sulfonic acid
4-Amino-3-hydroxy-1-naphthalenesulfonic acid
CAS 116-63-2
EINECS 204-147-3
InChI InChI=1/C10H9NO4S/c11-10-7-4-2-1-3-6(7)9(5-8(10)12)16(13,14)15/h1-5,12H,11H2,(H,13,14,15)/p-1

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Physico-chemical Properties

Molecular FormulaC10H9NO4S
Molar Mass239.25
Density1.4338 (rough estimate)
Melting Point295℃
Boling Point466℃
Water Solubilityinsoluble
AppearanceForm Powder, color White to light pink
pKa-0.49±0.40(Predicted)
Storage ConditionStore below +30°C.
StabilityStable. Incompatible with strong bases, acid chlorides, acid anhydrides, strong oxidizing agents.
SensitiveSensitive to light
Refractive Index1.6500 (estimate)
MDLMFCD00004019
Physical and Chemical Properties

properties white or gray needle-like crystals, usually containing semi-molecular crystal water, become rose-red in the air, especially in the wet.

solubility insoluble in cold water, ethanol, ether, benzene, soluble in hot water, hot sodium bisulfite and alkali solution

UseFor the manufacture of azo dyes

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Risk and Safety

Hazard SymbolsXi - Irritant
Irritant
Risk CodesR36/37/38 - Irritating to eyes, respiratory system and skin.
Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39 - Wear suitable gloves and eye/face protection
UN IDsUN 2585
WGK Germany3
RTECSQK1292000
TSCAYes
HS Code29222100
Hazard ClassIRRITANT
Packing GroupIII

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Upstream Downstream Industry

Raw Materials2-Naphthol
Sodium metabisulfite
Sulfuric acid
Sodium sulfite
Sodium nitrite
Downstream Products1-Diazo-2-naphthol-4-sulfonic acid
Mordant Red 7
POTASSIUM 1,2-NAPHTHOQUINONE-4-SULFONIC ACID
Mordant Black 17
Acid Black 168
2-DIAZO-1-NAPHTHOL-4-SULFONIC ACID HYDRATE
Acid violet 90
Mordant Black 3
ACID BLUE 161, PURE

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Nature

Open Data Verified Data

white or gray needle-like crystals, often containing semi-molecular crystal water. Soluble in hot sodium bisulfite and alkali solution, insoluble in cold ethanol, ether, benzene, water-soluble. It turns pink in the air, even more so when it is wet. The alkali solution rapidly oxidizes to Brown in air, and the neutral solution shows a slight blue fluorescence.

Last Update：2024-01-02 23:10:35

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Preparation Method

Open Data Verified Data

with 2 Naphthol as raw material, prepared by alkali fusion, nitrification and sulfonation.

Last Update：2022-01-01 09:27:04

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Introduction

This product is an acid mordant dye and an acid complex dye intermediate. Used to make acid complex pink B; Acid medium black R and acid complex salt GGN; Acid medium jujube BN, etc. It is also used for colorimetric determination of phosphate and calcium salts. It is also used for the determination of 1-amino-2-hydroxy-4-naphthalenesulfonic acid of phosphate.
Last Update：2022-10-16 17:12:24

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Use

Open Data Verified Data

for Colorimetric Determination of phosphate and calcium salts. It is also an intermediate of acid medium dye and acid complex dye. For the manufacture of acid complex Peach Red BI acid medium black R and acid complex salt GGNl acid medium jujube BN, etc.

Last Update：2022-01-01 09:27:05

4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID - Safety

Open Data Verified Data
  • toxic. Detailed toxicity was not reported. Good ventilation should be maintained at the production site, and the operator should wear protective equipment.
  • It is packed in a wooden barrel lined with a plastic bag with a net weight of 40kg per barrel. Storage in the dark, dry warehouse, heat, moisture. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:56:26
4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID
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MedChemExpress (MCE)
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CAS: 116-63-2
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CAS: 116-63-2
Tel: 18301782025
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CAS: 116-63-2
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MedChemExpress (MCE)
Spot supply
Product Name: 4-Amino-3-hydroxynaphthalene-1-sulfonic acid Visit Supplier Webpage Request for quotation
CAS: 116-63-2
Tel: 609-228-6898
Email: sales@medchemexpress.com
　　　　 tech@medchemexpress.com
Mobile: 609-228-6898
Guangzhou Yuanda New Material Co.,Ltd
Multiple Specifications
Product Name: 1-AMINO-2-NAPHTHOL-4-SULFONIC ACID Request for quotation
CAS: 116-63-2
Tel: +86 19849939632
Email: 2470479589@qq.com
Mobile: +86 19849939632
QQ: 2470479589 Click to send a QQ message
SKYRUN INDUSTRIAL CO.,LTD
Spot supply
Product Name: 1-Naphthalenesulfonic acid4-amino-3-hydroxy- Visit Supplier Webpage Request for quotation
CAS: 116-63-2
Tel: +86 0571-86722205
Email: sales@chinaskyrun.com
Mobile: +8618958170122
QQ: 2531159185 Click to send a QQ messageSend QQ message
Wechat: chinaskyrun
SHANGHAI ACMEC BIOCHEMICAL TECHNOLOGY CO., LTD.
Spot supply
Product Name: 1-Amino-2-naphthol-4-sulfonic acid Visit Supplier Webpage Request for quotation
CAS: 116-63-2
Tel: +86-400-900-4166
Email: product@acmec-e.com
Mobile: +86-18621343501
QQ: 2881950922 Click to send a QQ message
Wechat: 18621343501
WhatsApp: +86-18621343501
Hefei TNJ Chemical Industry Co.,Ltd.
Product Name: 4-Amino-3-hydroxy-1-naphthalenesulfonic acid Request for quotation
CAS: 116-63-2
Tel: 0086-551-65418684
Email: sales@tnjchem.com
　　　　 info@tnjchem.com
Mobile: 0086 189 4982 3763
QQ: 2881500840 Click to send a QQ message
Wechat: 189 4982 3763
WhatsApp: 0086 189 4982 3763
Product List: View Catalog
Shanghai Macklin Biochemical Co., Ltd
Spot supply
Product Name: 1-Amino-2-naphthol-4-sulfonic Acid Visit Supplier Webpage Request for quotation
CAS: 116-63-2
Tel: +86-18821248368
Email: Int06@meryer.com
Mobile: +86-18821248368
QQ: 495145328 Click to send a QQ message
WhatsApp: +86-18821248368
Shanghai Yuanye Bio-Technology Co., Ltd.
Multiple Specifications
Product Name: 1-Amino-2-naphthol-4-sulfonic acid Visit Supplier Webpage Request for quotation
CAS: 116-63-2
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409 Click to send a QQ message
Shenyang yimerck chemical products Co., Ltd
Product Name: 1-Amino-2-naphthol-4-sulfonic acid Request for quotation
CAS: 116-63-2
Tel: 13998106873
Email: 297303255@qq.com
Mobile: 13998106873
QQ: 297303255 Click to send a QQ messageSend QQ message
View History
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Raw Materials for 4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID
2-Naphthol
Sodium metabisulfite
Sulfuric acid
Sodium sulfite
Sodium nitrite
Downstream Products for 4-AMINO-3-HYDROXY-1-NAPHTHALENESULFONIC ACID
1-Diazo-2-naphthol-4-sulfonic acid
Mordant Red 7
Acid Black 168
Mordant Black 3
ACID BLUE 161, PURE
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