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: 3,8-diaminonaphthalene-1,5-disulphonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

19659-81-5

19659-81-5 structure

19659-81-5 structure

Name: 3,8-diaminonaphthalene-1,5-disulphonic acid
Chemical Name: 3,8-diaminonaphthalene-1,5-disulfonic acid
CAS Number: 19659-81-5
Molecular Formula: C₁₀H₁₀N₂O₆S₂
Molecular Weight: 318.32600
Create Date: 2017-06-10 04:53:35
Modify Date: 2025-08-22 11:13:08

Name	3,8-diaminonaphthalene-1,5-disulfonic acid
Synonyms	1,6-diamino-naphthalene-4,8-disulphonic acid EINECS 243-207-3 3,8-diamino-naphthalene-1,5-disulfonic acid 1,6-diaminonaphthalene-4,8-disulfonic acid Naphthylen-diamin-(1.6)-disulfonsaeure-(4.8) 2,5-diamino-4,8-disulpho-naphthalene 3,8-Diaminonaphthalene-1,5-disulphonic acid 3,8-Diamino-naphthalin-1,5-disulfonsaeure 1,6-Diamino-4,8-naphthalenedisulfonicacid

Density	1.833g/cm3
Molecular Formula	C₁₀H₁₀N₂O₆S₂
Molecular Weight	318.32600
Exact Mass	317.99800
PSA	177.54000
LogP	3.82160
Index of Refraction	1.771

HS Code	2921590090

HS Code	2921590090
Summary	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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