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VAQORACHEMICALS

Neutral red, GR

Synonyms: 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride · Basic Red 5 · Toluylene red · C.I. Basic Red 5

CAS No.553-24-2
FormulaC15H17ClN4
Mol. weight288.77
Catalogue No.VQ-000650
PurityAR
HSN32041339

Neutral red (CAS 553-24-2) – biological stain, AR grade. C15H17ClN4, MW 288.77. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.

Pack sizesPrice on quotation · bulk available
10 g
25 g
100 g
1 kg
5 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Neutral red, GR

Listed under CAS 553-24-2, Neutral red is a biological stain available from Vaqora Chemicals (AR grade). Formula C15H17ClN4, molecular weight 288.77 g/mol. The IUPAC name is 8-N,8-N,3-trimethylphenazine-2,8-diamine. Hydrochloride. Common synonyms include Basic Red 5 and Toluylene red.

In its supplied form it is a dark green powder. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and indicator for titrations. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Neutral red in 10 g, 25 g, 100 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameNeutral red, GR
Catalogue No.VQ-000650
CAS Number553-24-2
IUPAC name8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride
Molecular formulaC15H17ClN4
Molecular weight288.77 g/mol
Exact mass288.1142
GradeAR
HSN code32041339
InChIKeyPGSADBUBUOPOJS-UHFFFAOYSA-N
SMILESCC1=CC2=NC3=C(C=C(C=C3)N(C)C)N=C2C=C1N.Cl
PubChem CID11105
Physical properties
Physical formPowder
AppearanceDark green powder
H-bond donors / acceptors2 / 4
TPSA55 Ų
Synonyms3-Amino-7-dimethylamino-2-methylphenazine hydrochloride, Basic Red 5, Toluylene red, C.I. Basic Red 5, Neutral Red chloride, Michrome No. 226, Neutral Red W, 2,8-Phenazinediamine, N8,N8,3-trimethyl-, monohydrochloride, Cerven neutralni, Cerven toluylenova, C.I. Basic Red 5, monohydrochloride, Cerven zasadita 5

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H341Suspected of causing genetic defects

Precautionary statements: P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Other grades of CAS 553-24-2

Frequently asked questions

What is the CAS number of Neutral red, GR?

The CAS Registry Number of Neutral red, GR is 553-24-2. It is also known as 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride, Basic Red 5, Toluylene red.

What is the molecular formula and molecular weight of Neutral red, GR?

Neutral red, GR has the molecular formula C15H17ClN4 and a molecular weight of 288.77 g/mol.

Which grade and pack sizes of Neutral red, GR can I order?

We supply Neutral red, GR in AR grade, in 10 g, 25 g, 100 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Neutral red, GR?

Yes. Every lot of Neutral red, GR is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Neutral red, GR be shipped internationally?

Yes. Neutral red, GR is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Neutral red, GR

We reply within one business day with price, pack options, lead time and documentation.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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