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acid red 44

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Origin: China

Cas No: 2766-77-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 2766-77-0 Formula: C20H12N2Na2O7S2 Molecular Weight: 502.42800

Description

Ponceau 6R, or Crystal ponceau 6R, Crystal scarlet, Brilliant crystal scarlet 6R, Acid Red 44, or C.I. 16250, is a red azo dye. It is soluble in water and slightly soluble in ethanol. It is used as a food dye, with E number E126. It is also used in histology, for staining fibrin with the MSB Trichrome stain. It usually comes as disodium salt.
Amaranth is a closely related azo dye, also usable in trichrome staining.
Its CAS number is 2766-77-0 and its SMILES structure is OC1=C(N=N C3=C(C=CC=C4) C4=CC=C3)C2=C (C=C(S(=O) ([O-])=O)C=C2 S(=O)([O-]) =O)C=C1.

Basic Info

Chemical Name	acid red 44
Synonyms	Crystal Ponceau 6R; Crystal Ponceau?R; Acid Red 44 Brilliant Crystal Scarlet Crystal Ponceau 6R Crystal Scarlet Ponceau 6R; CRYSTAL SCARLET; Acid Ponceau 6R; Acid Red 44,Brilliant Crystal Scarlet,Crystal Scarlet; C.I. Acid Red 44; CRYSTAL PONCEAU; ACID RED 44; brilliant crystal scarlet;
CAS No.	2766-77-0
Molecular Formula	C20H12N2Na2O7S2
Molecular Weight	502.42800
PSA	176.11000
LogP	6.08380