Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-amino-5-hydroxy-naphthalene-2-sulfonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

6271-91-6

6271-91-6 structure

6271-91-6 structure

Name: 4-amino-5-hydroxy-naphthalene-2-sulfonic acid
Chemical Name: 4-amino-5-hydroxynaphthalene-2-sulfonic acid
CAS Number: 6271-91-6
Molecular Formula: C₁₀H₉NO₄S
Molecular Weight: 239.24800
Create Date: 2016-11-05 09:57:48
Modify Date: 2025-09-26 11:00:42

Name	4-amino-5-hydroxynaphthalene-2-sulfonic acid
Synonyms	4-Amino-5-hydroxy-naphthalin-2-sulfonsaeure 4-amino-5-hydroxy-naphthalene-2-sulfonic acid

Density	1.627g/cm3
Molecular Formula	C₁₀H₉NO₄S
Molecular Weight	239.24800
Exact Mass	239.02500
PSA	109.00000
LogP	3.03630
Index of Refraction	1.748

129-91-9 structure

129-91-9

~%

6271-91-6 structure

6271-91-6

Literature: Bayer and Co. Patent: , 1890 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 3, p. 454

7664-93-9 structure

7664-93-9

6483-81-4 structure

6483-81-4

~%

6271-91-6 structure

6271-91-6

Literature: Cassella and Co. Patent: DE108848 ;

Precursor 3
129-91-9 7664-93-9 6483-81-4
DownStream 0

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