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Thermo Scientific Chemicals Methyl orange, Indicator Product Code.: 10533701
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Thermo Scientific Chemicals Methyl orange, Indicator

Product Code. 10533701
100 g, Glass bottle
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Quantity:
100 g
500 g
Packaging:
Glass bottle
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Product Code. 10533701

Brand: Thermo Scientific Chemicals 151421000

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Description

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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5 results found
Lot Number Certificate Type Date Catalog Number
Lot NumberA0464047 Certificate TypeCertificate of Analysis Date09/07/2024 Catalog Number151421000,151425000
Lot NumberA0460528 Certificate TypeCertificate of Analysis Date11/03/2024 Catalog Number151421000,151425000
Lot NumberA0453198 Certificate TypeCertificate of Analysis Date25/08/2023 Catalog Number151421000,151425000
Lot NumberA0393961 Certificate TypeCertificate of Analysis Date15/12/2022 Catalog Number151421000,151425000
Lot NumberA0403643 Certificate TypeCertificate of Analysis Date13/12/2022 Catalog Number151421000,151425000

Safety and Handling

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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 /
SDS

RUO – Research Use Only

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