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-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

13432-13-8

13432-13-8 structure

13432-13-8 structure

Name: 3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid
Chemical Name: 5-hydroxy-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid
CAS Number: 13432-13-8
Molecular Formula: C₁₆H₁₂N₂O₈S₂
Molecular Weight: 424.40500
Create Date: 2016-04-04 00:20:39
Modify Date: 2025-09-18 13:34:35

Name	5-hydroxy-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonic acid
Synonyms	3-benzeneazo-4,5-dihydroxynaphthalene-2,7-disulfonic acid 2-Phenylazo-chromotropsaeure 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-(phenylazo) 2-Benzolazo-1.8-dioxy-naphthalin-disulfonsaeure-(3.6) 4,5-Dihydroxy-3-phenylazo-naphthalin-2,7-disulfonsaeure 3-Benzolazo-4-5-dihydroxy-naphtalin-disulfonsaeure-(2.7) Phenylazochromotropinsaeure 4,5-dihydroxy-3-phenylazo-naphthalene-2,7-disulfonic acid

Molecular Formula	C₁₆H₁₂N₂O₈S₂
Molecular Weight	424.40500
Exact Mass	424.00400
PSA	187.19000
LogP	3.76660

HS Code	2927000090

Precursor 2
148-25-4 100-34-5
DownStream 2
31232-21-0 58425-39-1

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%

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.