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CAS RN: 2050-14-8 | Product Number: A5005

2,2'-Dihydroxyazobenzene [Spectrophotometric and fluorimetric reagent for Al, Mg and other metals]


Purity: >98.0%(T)(HPLC)
Synonyms:
  • 2,2'-Azodiphenol
  • DHAB
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Product Number A5005
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__1__2H__1__0N__2O__2 = 214.22  
Physical State (20 deg.C) Solid
CAS RN 2050-14-8
Reaxys Registry Number 958432
PubChem Substance ID 87563099
SDBS (AIST Spectral DB) 7047
MDL Number

MFCD00002182

Specifications
Appearance Light yellow to Amber to Dark green powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Melting point 170.0 to 179.0 °C
Properties (reference)
Melting Point 175 °C
GHS
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
EC Number 218-082-3
Transport Information:
HS Number 2927000090
PubMed Literature


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