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Thermo Scientific Chemicals Methyl Orange Product Code.: 11488227
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Thermo Scientific Chemicals Methyl Orange

Product Code. 11488227
100 g
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Quantity:
100 g
500 g
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Product Code. 11488227

Brand: Thermo Scientific Chemicals A17604.22

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Description

Methyl Orange is a pH indicator used in titrations for acids. It is also used for histological microscopy. Further, it is used as counter stain to crystal violet in staining pollen tubes.

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

Applications
Methyl Orange is a pH indicator used in titrations for acids. It is also used for histological microscopy. Further, it is used as counter stain to crystal violet in staining pollen tubes.

Solubility
Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol.

Notes
Incompatible with strong oxidizing agents.
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 Acid Orange 52; C.I. 13025
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°C
UN Number UN3143
Beilstein 4732884
Merck Index 14,6105
Formula Weight 327.34
Odor Weak, Characteristic
pH 6.5
Quantity 100 g
Chemical Name or Material Methyl Orange

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5 results found
Lot Number Certificate Type Date Catalog Number
Lot Number10251782 Certificate TypeCertificate of Analysis Date30/08/2024 Catalog NumberA17604.22,A17604.36
Lot Number10249345 Certificate TypeCertificate of Analysis Date19/01/2024 Catalog NumberA17604.22,A17604.36
Lot Number10246385 Certificate TypeCertificate of Analysis Date09/05/2023 Catalog NumberA17604.22
Lot Number10243233 Certificate TypeCertificate of Analysis Date09/09/2022 Catalog NumberA17604.22,A17604.36
Lot Number10237639 Certificate TypeCertificate of Analysis Date12/04/2022 Catalog NumberA17604.22,A17604.36

Safety and Handling

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Product Identifier
  • Methyl Orange, ACS
 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 /
 Supplemental information
  • MIXTURE LIST-Contains : C.I. Acid Orange 52
SDS

RUO – Research Use Only

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