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Thermo Scientific Chemicals Methyl orange, Indicator

Product Code. 10533701
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Quantity:
100 g
500 g
Packaging:
Glass bottle
This item is not returnable. View return policy
This item is not returnable. View return policy

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 547-58-0
Molecular Formula C14H14N3NaO3S
Molecular Weight (g/mol) 327.334
MDL Number MFCD00007502
InChI Key STZCRXQWRGQSJD-UHFFFAOYSA-M
Synonym 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt, Acid Orange 52, C.I. 13025, MO, Helianthise
PubChem CID 23673835
IUPAC Name sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
SMILES CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Specifications

Melting Point >300.0°C
Beilstein 16, 331
Merck Index 15, 6178
Solubility Information Solubility in water: soluble in hot water. Other solubilities: practically insoluble in alcohol
Infrared Spectrum Authentic
Lambda Max 461 to 469nm (in 0.01N NaOH)
Formula Weight 327.32
Grade Pure
Packaging Glass bottle
Visual Transition Interval from pH 3.2 (pink or red)to pH 4.4 (yellow-orange)
Color Orange
Quantity 100 g
Physical Form Fine Crystalline Powder
Chemical Name or Material Methyl Orange
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compliance-icons
Product Identifier
  • Methyl Orange
Signal Word
  • Danger
Hazard Category
  • Acute toxicity Category 3
Hazard Statement
  • H301-Toxic if swallowed.
Precautionary Statement
  • P264-Wash thoroughly after handling.
  • P270-Do not eat, drink or smoke when using this product.
  • P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /

RUO – Research Use Only

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