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Name	Acid red 73	EINECS	226-502-1
CAS No.	5413-75-2	Density	1.58g/cm3
PSA	200.83000	LogP	7.34600
Solubility	Soluble in water	Melting Point	N/A
Formula	C₂₂H₁₄N₄Na₂O₇S₂	Boiling Point	N/A
Molecular Weight	556.49	Flash Point	N/A
Transport Information	N/A	Appearance	red powder
Safety	22-24/25-36-26	Risk Codes	20/21/22-36/37/38
Molecular Structure		Hazard Symbols	Xn
Synonyms	1,3-Naphthalenedisulfonicacid, 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]-, disodium salt (9CI);C.I. AcidRed 73 (7CI);Acid Brilliant Scarlet GR;Acid CroceinMOO;Acid Croceine Scarlet MOO;Acid Fast Red RN;Acid Red 2Zh;Acid Red 73;Acid RedMOO;Acid Scarlet MOO;Acilan Croceine MOO;Airedale Scarlet MO;Amacid BrilliantCroceine 3BA;Anadurm Scarlet A 3B;Atul CroceineScarlet MOO;Brilliant Croceine;Brilliant Croceine 3B;BrilliantCroceine 3BM;Brilliant Croceine M;Brilliant CroceineMO;Brilliant Croceine MOOL;Brilliant Croceine Scarlet M;Brilliant Red EMBL;Brilliant Scarlet LC;Brilliant Scarlet R (Chinese);C.I. 27290;C.I. SolventRed 69;Calcocid Scarlet MOON;Conacid Red LC;Covalene Scarlet B;Croceine Acid Red;Croceine Brilliant Scarlet 3BC;CroceineScarlet 070000;Croceine Scarlet 3B;Croceine Scarlet MOOP;Croceine Scarlet SS;Curol Brilliant Red G;Dycosacid RedMOO;Dycosacid Scarlet GR;Egacid Red MOOL;Ext D and C Red No. 13;Fire Red BR9825;Indacid ScarletMOO;Java Brilliant Scarlet MOO;Libacid Crocein Scarlet LMOO;Orbacid CroceineMOO;

Acid red 73 Specification

The Acid red 73 belongs to the categories of Dyes and Pigments; Organics. Its colour index is 27290. With cas registry number of 5413-75-2, it also has other registry numbers which include (1) 188763-03-3 ; (2) 61813-60-3 ; (3) 77466-28-5 ; (4) 84842-89-7. Its EINECS registry number 226-502-1. This chemical is also known as Sodium 6-hydroxy-5-(4-phenylazophenylazo)naphthalene-2,4-disulphonate ; 7-Hydroxy-8-(4-phenylazophenylazo)-1,3-naphthalenedisulfonic acid disodium salt ; Brilliant Crocein ; C.I. 27290 . Its systematic name is called disodium 7-hydroxy-8-(4-phenylazophenyl)azo-naphthalene-1,3-disulfonate . And its IUPAC name is called disodium (8Z)-7-oxo-8-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalene-1,3-disulfonate . This chemical also has its own superlist name which is C.I. Acid Red 73, disodium salt .

Physical properties about this chemical are: (1) #H bond acceptors: 11 ; (2) #H bond donors: 3 ; (3)#Freely Rotating Bonds: 7 ; (4) Polar Surface Area: 200.83 Å².

Uses of Acid red 73 : this chemical is mainly used for dyeing of wool, silk fabrics and paper and leather. It can be used forrendering of plastic, anodized aluminum and cement.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful by inhalation, in contact with skin and if swallowed and irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing. Avoid contact with skin and eyes. Do not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1) SMILES: [Na+].[Na+].[O-]S(=O)(=O)c4cc3ccc(O)c(N=Nc2ccc(N=Nc1ccccc1)cc2)c3c(c4)S([O-])(=O)=O;
(2) InChI: InChI=1/C22H16N4O7S2.2Na/c27-19-11-6-14-12-18(34(28,29)30)13-20(35(31,32)33)21(14)22(19)26-25-17-9-7-16(8-10-17)24-23-15-4-2-1-3-5-15;;/h1-13,27H,(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2 ;
(3) InChIKey: PEAGNRWWSMMRPZ-NUQVWONBAR

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