chromotrope 2b

Names

[ CAS No. ]:
548-80-1

[ Name ]:
chromotrope 2b

[Synonym ]:
Chromatrope 2B
EINECS 208-959-9
Chromotrope Red 4B
p-Nitrobenzeneazochromotropic acid sodium salt
Chromotrope 2B disodium salt
chromotrope 2B
MFCD00003951
Naphtocard Fast Red 3B
Khromotrop 2B
Acid Red 176

Chemical & Physical Properties

[ Melting Point ]:
300 °C

[ Molecular Formula ]:
C₁₆H₉N₃Na₂O₁₀S₂

[ Molecular Weight ]:
513.36600

[ Exact Mass ]:
512.95200

[ PSA ]:
242.16000

[ LogP ]:
5.06760

MSDS

Click to get detail MSDS

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: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2927000090

Customs

[ 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%

Articles

Spectrophotometric assay of cephalosporins in pharmaceutical products, using chromotrope 2B and chromotrope 2R. Issa YM and Amin AS

Microchim. Acta 124 (3-4) , 203-209, (1996)

On-line preconcentration of aluminium with immobilized Chromotrope 2B for the determination by flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry. Martin-esteban A, et.al.

Anal. Chim. Acta 304 (1) , 121-126, (1995)