ChemicalBook--->CAS DataBase List--->845-46-5

845-46-5

845-46-5 Structure

845-46-5 Structure
IdentificationBack Directory
[Name]

P-(P-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID SODIUM SALT
[CAS]

845-46-5
[Synonyms]

METHYL RED, PARA
4-Dimethylaminophenylazo-benzoic acid
P-(P-DIMETHYLAMINOPHENYL-AZO)*BENZOIC AC ID, SODIUM
4-(4-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID SODIUM SALT
P-(P-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID SODIUM SALT
4-[[4-(dimethylamino)phenyl]azo]-benzoicacisodiumsalt
4-(4-DIMETHYLAMINOPHENYLAZO)BENZOIC ACID SODIUM SALT 98%
4-(4-Dimethylaminophenylazo)benzoic acid sodium salt,98%,pure
4-(4-Dimethylaminophenylazo)benzoic acid sodium salt, pure, 98%
4-(4-Dimethylaminophenylazo)benzoic acid sodium salt, indicator grade
[Molecular Formula]

C15H14N3NaO2
[MDL Number]

MFCD00020350
[MOL File]

845-46-5.mol
[Molecular Weight]

291.28
Chemical PropertiesBack Directory
[Appearance]

orange crystalline powder
[Melting point ]

>300℃
[form ]

Crystalline Powder
[color ]

Orange
[EPA Substance Registry System]

Benzoic acid, 4-[[4-(dimethylamino)phenyl]azo]-, sodium salt (845-46-5)
Hazard InformationBack Directory
[Chemical Properties]

orange crystalline powder
[Uses]

Dabcyl acid sodium (DABCYL sodium) is a nonfluorescent chromophore and a quencher. Dabcyl acid sodium can be used as molecular beacon nucleic acid probes to recognize and report the presence of specific nucleic acids in homogeneous solutions[1][2].
[Purification Methods]

It has been precipitated from aqueous solution as the free acid which was recrystallised from 95% EtOH, then reconverted to the sodium salt. [Beilstein 16 H 329.]
[References]

[1] Tyagi S, et al. Molecular beacons: probes that fluoresce upon hybridization. Nat Biotechnol. 1996 Mar;14(3):303-8. DOI:10.1038/nbt0396-303
[2] Conlon P, et al. Pyrene excimer signaling molecular beacons for probing nucleic acids. J Am Chem Soc. 2008 Jan 9;130(1):336-42. DOI:10.1021/ja076411y
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P280a-P304+P340-P305+P351+P338-P405-P501a
[Safety Statements ]

24/25
[TSCA ]

Yes
[HS Code ]

29270000
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