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: [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-diamino-5,5'-dimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

83-83-0

83-83-0 structure

83-83-0 structure

Name: [1,1'-Biphenyl]-2,2'-disulfonicacid, 4,4'-diamino-5,5'-dimethyl-
Chemical Name: o-toluidine disulfonic acid
CAS Number: 83-83-0
Molecular Formula: C₁₄H₁₆N₂O₆S₂
Molecular Weight: 372.41700
Create Date: 2017-07-06 07:48:40
Modify Date: 2025-08-27 09:20:40

Name	o-toluidine disulfonic acid
Synonyms	4,4'-diamino-5,5'-dimethyl-biphenyl-2,2'-disulfonic acid 4,4'-Diamino-3,3'-dimethylbiphenyl-6,6'-disulfonic acid o-tolidine-6,6'-disulfonic acid 4,4'-Diamino-5,5'-dimethyl-biphenyl-2,2'-disulfonsaeure Orthotoludine66`disulfonicAcid 4,4'-diamino-5,5'-dimethylbiphenyl-2,2'-disulphonic acid 3,3'-dimethyl-4,4'-diaminobiphenyl-6,6'-disulfonic acid

Density	1.568g/cm3
Molecular Formula	C₁₄H₁₆N₂O₆S₂
Molecular Weight	372.41700
Exact Mass	372.04500
PSA	177.54000
LogP	4.95220
Index of Refraction	1.669

HS Code	2921590090

88-72-2 structure

88-72-2

~%

83-83-0 structure

83-83-0

Literature: Elbs; Wohlfahrt Journal fuer Praktische Chemie (Leipzig), 1902 , vol. <2> 66, p. 570

97-06-3 structure

97-06-3

~%

83-83-0 structure

83-83-0

Literature: Helle Justus Liebigs Annalen der Chemie, 1892 , vol. 270, p. 366

Precursor 2
88-72-2 97-06-3
DownStream 3
6358-31-2 119-93-7 2512-29-0

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%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.