Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,5-dihydroxynaphthalene-1-sulphonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

83-65-8

83-65-8 structure

Name: 4,5-dihydroxynaphthalene-1-sulphonic acid
Chemical Name: 4,5-dihydroxynaphthalene-1-sulfonic acid
CAS Number: 83-65-8
Molecular Formula: C₁₀H₈O₅S
Molecular Weight: 240.23300
Catalog: Biochemical Plant extracts
Create Date: 2017-12-31 13:44:20
Modify Date: 2025-08-26 16:09:05

Name	4,5-dihydroxynaphthalene-1-sulfonic acid
Synonyms	1,8-Dihydroxynaphthalene-4-sulfonic acid 4,5-dihydroxy-naphthalene-1-sulfonic acid 1-Naphthalenesulfonicacid,4,5-dihydroxy 1.8-Dioxy-naphthalin-sulfonsaeure-(4) 4,5-Dihydroxy-1-naphthalenesulfonic acid 4,5-Dihydroxy-naphthalin-1-sulfonsaeure EINECS 201-492-1

Density	1.677g/cm3
Molecular Formula	C₁₀H₈O₅S
Molecular Weight	240.23300
Exact Mass	240.00900
PSA	103.21000
LogP	2.57850
Index of Refraction	1.739

HS Code	2908999090

83-64-7

83-65-8

Literature: Bayer and Co. Patent: DE80315 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 4, p. 549

117-55-5

83-65-8

Literature: Bayer and Co. Patent: DE67829 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 3, p. 447,449 Full Text Show Details Bayer and Co. Patent: DE71836 ; Full Text Show Details Bayer and Co. Patent: DE54116 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 2, p. 315

1027205-85-1

83-65-8

Literature: Bayer and Co. Patent: DE77285 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 4, p. 548

6362-18-1

83-65-8

Literature: Cassella and Co. Patent: DE75962 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 4, p. 548

571-79-9

83-65-8

Literature: Bayer and Co. Patent: DE75055 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 3, p. 452

71735-36-9

83-65-8

Literature: Bayer and Co. Patent: DE80667 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 4, p. 549

Precursor 5
83-64-7 117-55-5 6362-18-1 571-79-9
71735-36-9
DownStream 1
569-42-6

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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