Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-Naphthol-4-sulfonic acid
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Naphthol-4-sulfonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 84-87-7
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 1-Naphthol-4-sulfonic acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

84-87-7

84-87-7 structure

84-87-7 structure

Name: 1-Naphthol-4-sulfonic acid
Chemical Name: 1-Naphthol-4-sulfonic acid
CAS Number: 84-87-7
Molecular Formula: C₁₀H₈O₄S
Molecular Weight: 224.233
Catalog: Organic raw materials Carboxylic compounds and derivatives Halogenation, sulfonation, nitration or nitrosation of carboxylic acids
Create Date: 2018-02-23 08:00:00
Modify Date: 2025-08-22 05:51:47

Name	1-Naphthol-4-sulfonic acid
Synonyms	EINECS 201-568-4 4-Hydroxy-1-naphthalenesulfonic acid 1-hydroxy-naphthalene-4-sulphonic acid 1-naphthol-4-sulphonic acid 1-Naphthalenesulfonic acid, 4-hydroxy- Neville and winther acid 4-sulfonaphthol 1-Naphthol-4-sulfoni 1,4-Oxy Acid 1-Naphthol-4-sulfonic acid Nevile-Winthers acid 1-hydroxy-4-naphthalenesulfonic acid naphthalene 1-hydroxy-4-sulfonic acid Neville acid a-Naphthol-4-sulfonic acid MFCD00065324 4-Hydroxynaphthalene-1-sulfonic acid Nevile-Winther acid HIGH-PURITY N.W. ACID 1-oxynaphthalene-4-sulphonic acid

Density	1.5±0.1 g/cm3
Boiling Point	427ºC
Melting Point	170℃
Molecular Formula	C₁₀H₈O₄S
Molecular Weight	224.233
Exact Mass	224.014328
PSA	82.98000
LogP	-0.44
Index of Refraction	1.704

Hazard Codes	Xi,C
Risk Phrases	R34:Causes burns.
Safety Phrases	S26-S36/37/39
RIDADR	3261
Packaging Group	II
Hazard Class	8
HS Code	2908999090

Precursor 10
567-18-0 95-50-1 90-15-3 84-86-6
162109-20-8 6328-72-9 3159-41-9 4759-11-9
1857-16-5 7757-83-7
DownStream 10
3567-69-9 605-69-6 90-15-3 114380-67-5
84-86-6 130-15-4 117-80-6 239-01-0
2065-37-4 13243-65-7

HS Code	2908999090
Summary	2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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