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7-amino-4-hydroxy-2-naphthalenesulfonic acid

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Origin: China

Cas No: 87-02-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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Products Specification
Product Description

Quick Details
CAS No.:
87-02-5
Other Names:
2-Amino-5-naphthol-7-sulfonic Acid/J Acid
MF:
C10H9NO4S, C10H9NO4S
EINECS No.:
201-718-9
Place of Origin:
Shandong, China
Type:
Dyestuff Intermediates, Acid Dye
Purity:
85% min
Brand Name:
Haihang
Model Number:
HH-87-02-5
Application:
Used as a dye intermediate, Dyestuff intermediates
Appearance:
Grey or light brown powder, Grey or light brown powder
other names:
Manufacture J Acid
CAS:
87-02-5
Packaging&Delivery
Packaging Details
manufacture J acid CAS 87-02-5
25KG/bag
Port
shanghai

Property

CAS No.: 87-02-5 Formula: C10H9NO4S Molecular Weight: 239.24800

Basic Info

Chemical Name	7-amino-4-hydroxy-2-naphthalenesulfonic acid
Synonyms	7-Amino-4-hydroxy-2-naphthalenesulfonic acid; J acid;
CAS No.	87-02-5
Molecular Formula	C10H9NO4S
Molecular Weight	239.24800
PSA	109.00000
LogP	3.03630

Properties

Appearance & Physical State	gray to brown powder
Density	1.627 g/cm3
Refractive Index	1.748

Safety Info

RTECS	QK1295500
Hazard Class	8
Safety Statements	S26-S27-S36/37/39
HS Code	2922210000
Packing Group	III
WGK Germany	1
RIDADR	UN 2585 8/PG 3
Risk Statements	R34
Hazard Codes	C

Synthesis Route

2-Naphthylamine-5,7-disulfonic acid→7-amino-4-hydroxy-2-naphthalenesulfonic acid
naphthalene-1,3,6-trisulfonic acid→7-amino-4-hydroxy-2-naphthalenesulfonic acid

Precursor

2-Naphthylamine-5,7-disulfonic acid
naphthalene-1,3,6-trisulfonic acid

Downstream Product

7,7'-(Carbonylbis(azanediyl))bis(4-hydroxynaphthalene-2-sulfonic acid)
4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)amino]naphthalene-2-sulfonic acid
7-Anilino-4-hydroxy-2-naphthalenesulfonic Acid
7-acetamido-4-hydroxynaphthalene-2-sulfonic acid

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