Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Calconcarboxylic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Calconcarboxylic acid
Price: ￥128.0/100g ￥408.0/500g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Calconcarboxylic acid
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

3737-95-9

3737-95-9 structure

3737-95-9 structure

Name: Calconcarboxylic acid
Chemical Name: Calconcarboxylic acid
CAS Number: 3737-95-9
Molecular Formula: C₂₁H₁₄N₂O₇S
Molecular Weight: 438.410
Catalog: Chemical reagent Organic reagent Polycyclic compound
Create Date: 2018-07-28 20:47:14
Modify Date: 2025-08-21 11:25:25
Calconcarboxylic acid, an azo dye, is a silver-ion sensitizer. Calconcarboxylic acid can be used for detection of proteins on polyacrylamide gels[1][2].

Name	Calconcarboxylic acid
Synonyms	2,2'-dihydroxy-4'-sulfo-1,1'-azonaphthalene-3-carboxylic acid 3-hydroxy-4(2-hydroxy-4-sulfo-1-naphthyl-azo)-2-naphthalenecarboxylic acid 2-Naphthalenecarboxylic acid, 3-hydroxy-4-((2-hydroxy-4-sulfo-1-naphthalenyl)azo)- 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid 2-Naphthoic acid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthyl)azo]- 3-Hydroxy-4-[(E)-(2-hydroxy-4-sulfo-1-naphthyl)diazenyl]-2-naphthoic acid EINECS 223-117-0 3-hydroxy-4-[(E)-(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid HHSNN 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid,indicator grade Calcon-carboxylic Acid CAL-RED(R) Patton and Reeder’s MFCD00004078 Patton and Reeder Dye HHSNNA CAL RED Calconcarboxylic aci 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(E)-2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]- 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthyl)azo]naphthalene-2-carboxylic acid CalconCarboxylicAcidGr 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid Kalces

Description	Calconcarboxylic acid, an azo dye, is a silver-ion sensitizer. Calconcarboxylic acid can be used for detection of proteins on polyacrylamide gels[1][2].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Jin LT, et al. Sensitive silver staining of protein in sodium dodecyl sulfate-polyacrylamide gels using an azo dye, calconcarboxylic acid, as a silver-ion sensitizer. Electrophoresis. 2004 Aug;25(15):2494-500. [2]. Hong HY, et al. Detection of proteins on polyacrylamide gels using calconcarboxylic acid. Anal Biochem. 1993 Oct;214(1):96-9.

Density	1.6±0.1 g/cm3
Melting Point	300 °C(lit.)
Molecular Formula	C₂₁H₁₄N₂O₇S
Molecular Weight	438.410
Exact Mass	438.052185
PSA	165.23000
LogP	2.86
Index of Refraction	1.734
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	slightly soluble

Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2842909090

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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