Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-Naphthol-6,8-disulfonic acid
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Naphthol-6,8-disulfonic acid
Price: ￥648.0/1g
Purity: 95.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 7-Hydroxynaphthalene-1,3-disulfonic 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: TIANFUCHEM--High purity 118-32-1 2-Naphthol-6,8-disulfonic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

118-32-1

118-32-1 structure

118-32-1 structure

Name: 2-Naphthol-6,8-disulfonic acid
Chemical Name: 7-hydroxynaphthalene-1,3-disulfonic acid
CAS Number: 118-32-1
Molecular Formula: C₁₀H₈O₇S₂
Molecular Weight: 304.29600
Create Date: 2018-06-03 08:00:00
Modify Date: 2025-08-21 09:54:16

Name	7-hydroxynaphthalene-1,3-disulfonic acid
Synonyms	2-hydroxynaphthalene-6,8-disulfonic acid 7-Hydroxy-1,3-naphthalenedisulfonic acid 2-hydroxynaphthalene-6,8-disulfonate EINECS 204-245-6 2-naphthol-6,8-disulphonic acid 2-Naphthol-6,8-disulfonic acid 1,7-hydroxy \|A acid 7-hydroxy-1,3-naphthalenedisulfonic acid hydrate G Acid 2-hydroxy-6,8-naphthalenedisulfonic acid

Density	1.816g/cm3
Molecular Formula	C₁₀H₈O₇S₂
Molecular Weight	304.29600
Exact Mass	303.97100
PSA	145.73000
LogP	3.20040
Index of Refraction	1.725

HS Code	2908999090

Precursor 9
135-19-3 132-57-0 842-18-2 7664-93-9
7732-18-5 618-06-4 86-65-7 567-47-5
163453-90-5
DownStream 10
14245-98-8 86-65-7 578-22-3 6357-93-3
6259-53-6 93-01-6 7244-14-6 55720-37-1
6259-50-3 6259-51-4

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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