Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,5-diaminobenzene-1,4-disulphonic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2,5-diaminobenzene-1,4-disulphonic acid
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/25g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

7139-89-1

7139-89-1 structure

7139-89-1 structure

Name: 2,5-diaminobenzene-1,4-disulphonic acid
Chemical Name: 2,5-diaminobenzene-1,4-disulfonic acid
CAS Number: 7139-89-1
Molecular Formula: C₆H₈N₂O₆S₂
Molecular Weight: 268.26800
Create Date: 2018-12-01 18:11:43
Modify Date: 2025-08-25 15:23:15

Name	2,5-diaminobenzene-1,4-disulfonic acid
Synonyms	EINECS 230-439-5 2,5-Diaminobenzene-1,4-disulphonic acid 2,5-Diamino-1,4-benzenedisulfonic acid

Density	1.922g/cm3
Molecular Formula	C₆H₈N₂O₆S₂
Molecular Weight	268.26800
Exact Mass	267.98200
PSA	177.54000
LogP	2.66840
Index of Refraction	1.712

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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