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H27830 4-(4-Dimethylaminophenylazo)benzoic acid sodium salt, indicator grade

CAS Number
Sodium 4-(4-dimethylaminophenylazo)benzoate
p-Methyl red

Stock No. Size Price ($) Quantity Availability
H27830-06 5g 185.00
H27830-09 10g 297.00
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4-(4-Dimethylaminophenylazo)benzoic acid sodium salt, indicator grade


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Ambient temperatures.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


  • J67820

    Krebs-Heneseleit buffer solution
  • B20859

    3-Ethyl-3-hexanol, 98%
  • H55579

    Methyl 3-amino-2-methylbenzoate, 96%
  • J61843

    MOPS, 1.0M buffer soln., pH 7.5
  • B23518

    2,2'-Dihydroxy-4,4'-dimethoxybenzophenone, 98%

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