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Home/Compounds/CAS 2646-17-5
Formula C17H14N2OMW 262.3Research-use catalog entryCOA/SDS by request

Orange OT

CAS Number: 2646-17-5

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Available options

Available Options

Package
5 g
Purity
95%
Price
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Availability
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Delivery
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Loading RDKit molecule structure...
InChIKey: BQFCCCIRTOLPEF-UHFFFAOYSA-NC17H14N2O | MW 262.3

Chemical Absolute Identifiers

CAS Number

2646-17-5

PubChem CID

17550

Molecular Formula

C17H14N2O

Molecular Weight

262.3 g/mol

Exact Mass

262.110613

InChIKey

BQFCCCIRTOLPEF-UHFFFAOYSA-N

IUPAC Name

1-[(2-methylphenyl)diazenyl]naphthalen-2-ol

SMILES String

CC1=CC=CC=C1N=NC2=C(C=CC3=CC=CC=C32)O

Physical Properties

Appearance

Oil orange ss appears as red needles or orange powder. Sublimes above 374 °F. (NTP, 1992)

Melting Point

131.0 °C

Water Solubility

1 mol/L

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Orange OT (CAS 2646-17-5) is listed in the Advanced Chemicals portfolio, with molecular formula C17H14N2O and molecular weight 262. 30 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Dyes and PigmentsSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Handling & Storage

  • Keep container tightly closed and dry.
  • Store in a well-ventilated place.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity and reaction stability.
  • Carbon monoxide, carbon dioxide, nitrogen oxides.

Disposal

  • The product.
  • Dispose of remaining and non-recyclable solutions to a licensed company.
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Fire Fighting

  • If necessary, wear a self-contained breathing apparatus during firefighting.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Sweep and shovel up.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Orange OT

Names & Synonyms

C.I. Solvent Orange 2Oranz ssAF Orange No. 22-NAPHTHOL, 1-(O-TOLYLAZO)-Oranz rozpoustedlova 2
Show all synonyms
1-(o-Tolylazo)-B-naphthol2-Naphthol, 1-(o-tolyazo)-orange II, C.I.Solvent Orange 2Fat Orange IIFat Orange RROrange SSLacquer Orange VDolkwal Orange SSOleal Orange SS1-(o-Tolylazo)-2-naphtholOrganol Orange 2RA.F. Orange No. 2Japan Orange 403FD & C Orange 2
External Identifiers
EC NUMBER: 220-162-8DSSTOX SUBSTANCE ID: DTXSID30873446DSSTOX SUBSTANCE ID: DTXSID6025808CHEMBL ID: CHEMBL1976978CHEBI ID: CHEBI:82364UNII: E939MCU4IDKEGG ID: C19287NCI THESAURUS CODE: C80143WIKIDATA ID: Q27155902
Experimental Spectrum References
UV Spectra

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Show non-linked catalog cues

Non-public related references

Solvent red 1CAS 1229-55-6
Sudan Black BCAS 4197-25-5
Reactive Red 120CAS 61951-82-4
C.I. 37505CAS 92-77-3
Napthol asolCAS 135-62-6

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1229-55-6Solvent red 1CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 2646-17-5

What are the key identifiers for Orange OT (CAS 2646-17-5)?

Orange OT is identified by CAS 2646-17-5, with molecular formula C17H14N2O, molecular weight 262.3, InChIKey BQFCCCIRTOLPEF-UHFFFAOYSA-N.

Can I request a COA for CAS 2646-17-5?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Orange OT?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 2646-17-5 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

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