Chromotrope 2R

Names

[ Name ]:
Chromotrope 2R

[Synonym ]:
Disodium 4,5-dihydroxy-3-(phenyldiazenyl)-2,7-naphthalenedisulfonate
CHROMOTROPE 2R
2-(Phenylazo)chromotropic acid disodium salt
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(2-phenyldiazenyl)-, sodium salt (1:2)
4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic Acid Disodium Salt
MFCD00003955
2-(Phenylazo)chromotropic acid disodium salt Acid Red 29
Acid Red 29
Disodium 4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonate
EINECS 224-085-0

Biological Activity

[Description]:

Chromotrope 2R can be used as a chromogenic analytical probe for the quantification of proteins. Basic proteins stained red and the peak wavelength red shifts from 501.6 nm to 567 nm[1].

[Related Catalog]:

Research Areas >> Others

Signaling Pathways >> Others >> Others

[References]

[1]. Wagner BM. Correspondence: Chromotrope 2R. Toxicol Pathol. 2003 Nov-Dec;31(6):717.

Chemical & Physical Properties

[ Molecular Formula ]:
C₁₆H₁₀N₂Na₂O₈S₂

[ Molecular Weight ]:
468.369

[ Exact Mass ]:
467.967407

[ PSA ]:
196.34000

[ LogP ]:
4.63620

[ Storage condition ]:
Store at RT.

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QJ6418000

CHEMICAL NAME :: 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(phenylazo)-, disodium salt

CAS REGISTRY NUMBER :: 4197-07-3

LAST UPDATED :: 199504

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C16-H12-N2-O8-S2.2Na

MOLECULAR WEIGHT :: 470.40

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
QJ6418000

[ HS Code ]:
32041200

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