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,3-[2-(2,4-dihydroxyphenyl)diazenyl]-4-hydroxy-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2918-80-1

2918-80-1 structure

2918-80-1 structure

Name: Benzenesulfonic acid,3-[2-(2,4-dihydroxyphenyl)diazenyl]-4-hydroxy-
Chemical Name: 4-hydroxy-3-[(2E)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid
CAS Number: 2918-80-1
Molecular Formula: C₁₂H₁₀N₂O₆S
Molecular Weight: 310.28300
Create Date: 2016-10-18 18:32:39
Modify Date: 2025-10-06 12:21:24

Name	4-hydroxy-3-[(2E)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid
Synonyms	Benzenesulfonic acid,4-dihydroxyphenyl)azo]-4-hydroxy 2,2',4'-Trihydroxy-azobenzol-sulfonsaeure-(5) 2,4,2'-Trihydroxy-azobenzol-sulfonsaeure-(5') C.I. Mordant Red 5 3-(2,4-Dihydroxyphenylazo)-4-hydroxybenzenesulfonic acid 3-((2,4-dihydroxyphenyl)diazenyl)-4-hydroxybenzenesulfonic acid EINECS 220-855-5 3-(2,4-Dihydroxy-phenylazo)-4-hydroxy-benzolsulfonsaeure 6.2'.4'-Trihydroxy-azobenzol-sulfonsaeure-(3)

Density	1.65g/cm3
Molecular Formula	C₁₂H₁₀N₂O₆S
Molecular Weight	310.28300
Exact Mass	310.02600
PSA	148.16000
LogP	3.54630
Index of Refraction	1.693

HS Code	2927000090

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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