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: Benzenesulfonic acid,4-[2-[4-(dimethylamino)phenyl]diazenyl]-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

502-02-3

502-02-3 structure

502-02-3 structure

Name: Benzenesulfonic acid,4-[2-[4-(dimethylamino)phenyl]diazenyl]-
Chemical Name: p-[[p-(Dimethylamino)phenyl]azo]benzenesulfonic acid
CAS Number: 502-02-3
Molecular Formula: C₁₄H₁₅N₃O₃S
Molecular Weight: 305.35200
Create Date: 2016-01-11 16:42:30
Modify Date: 2025-09-09 09:28:25

Name	p-[[p-(Dimethylamino)phenyl]azo]benzenesulfonic acid
Synonyms	4'-dimethylamino-azobenzene-4-sulfonic acid 4-sulfo-4'-dimethylaminoazobenzene

Density	1.28g/cm3
Melting Point	>300ºC
Molecular Formula	C₁₄H₁₅N₃O₃S
Molecular Weight	305.35200
Exact Mass	305.08300
PSA	90.71000
LogP	4.49550
Index of Refraction	1.61

HS Code	2927000090

Precursor 0
DownStream 10
111915-50-5 99-98-9 121-57-3 305-80-6
1670-17-3 479-45-8 2052-46-2 76-06-2
118-75-2 124-40-3

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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