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Alizarin Yellow R IND Grade Reagent

Cas Number:1718-34-9
Formula: C13H8N3NaO5
Molar Mass:309.21
EC Number:217-002-4

Quantity:
  • IND
  • LABOR
  • 400533125

Alizarin Yellow R IND Grade Reagent


Cas Number:1718-34-9

Formula: C13H8N3NaO5

Molar Mass:309.21

EC Number:217-002-4


Physicochemical properties:

Orange-brown crystals. It can be decomposes at 253 to 254 °C. It is soluble in water and ethanol, slightly soluble in acetone and ethylene glycol ether, almost insoluble in other organic solvents. Usually the product is sodium salt (C13H8N3NAO5), which is a brownish yellow powder and soluble in water, the solution is brownish yellow.


Usage:

Acid-base indicator, the pH is 10.2 (yellow) ~ 12.0 (red).


Packing:

500g/25kg





Item of Analysis

Standard

Sensitivity test

to pass test

pH discoloration domain

10.0(Yellow)~12.0(Red)

Solubility in water

to pass test

Solubility in ethanol

to pass test

Residue on ignition(as SO4),%

18.0~24.0



Symbol 

Signal word 

Warning

Hazard statement

H302

Precautionary statements—Prevention

P280

Precautionary statements—Response

P301+P312


P330

UN No.

No Information



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