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4-aminonaphthalene-1,6-disulfonic acid

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Origin: China

Cas No: 85-75-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 85-75-6 Formula: C10H9NO6S2 Molecular Weight: 303.31200

Basic Info

Chemical Name	4-aminonaphthalene-1,6-disulfonic acid
Synonyms	Dahl's acid III; 1,6-Naphthalenedisulfonic acid, 4-amino-; 1-Naphthylamine-4,7-disulfonic acid; EINECS 201-630-0; 4-Amino-naphthalin-1,6-disulfonsaeure; 4-amino-naphthalene-1,6-disulfonic acid; 1-aminonaphthalene-4,7-disulphonic acid; 4-amino-1,6-naphthalenedisulphonic acid; 1-amino-4,7-naphthalenedisulfonic acid;
CAS No.	85-75-6
Molecular Formula	C10H9NO6S2
Molecular Weight	303.31200
PSA	151.52000
LogP	3.65820

Properties

Density	1.769g/cm3
Refractive Index	1.733

Safety Info

Hazard Class	8
HS Code	2921499090
Packing Group	III
RIDADR	UN 1759

Synthesis Route

Sulfuric acid+1-naphthylamine→5-aminonaphthalene-2-sulfonic acid+5-Aminonaphthalene-1-sulfonic acid
naphthionic acid+Sulfuric acid→5-aminonaphthalene-2-sulfonic acid+5-Aminonaphthalene-1-sulfonic acid
1-naphthylamine→4-aminonaphthalene-1,7-disulfonic acid+4-aminonaphthalene-1,6-disulfonic acid

Precursor

1-naphthylamine
1,8-dinitronaphthalene
Sulfuric acid
naphthionic acid

Downstream Product

4-aminonaphthalene-1,3,6-trisulfonic acid
naphthalene-1,6-disulfonic acid
4-chloronaphthalene-1,6-disulfonic acid
8-anilinonaphthalene-2-sulfonic acid

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