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Dyes & Pigments

4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%

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Buy 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98% (CAS 51325-91-8) from Zemixal…

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4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98% chemical structure
CAS number51325-91-8
FormulaC19H17N3O
Molar mass303.4 g/mol
Physical formCrystalline
HS code29420090
UN numberUN 3175
Purity98%
InChIKeyYLYPIBBGWLKELC-RMKNXTFCSA-N
IUPAC name2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile

About 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%

Researchers and plant chemists source 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98% from Zemixal for routine and specialised work. For your records (98%), the material is defined by CAS 51325-91-8, formula C19H17N3O and molar mass 303.4 g/mol. It is described as dark red to brown powder or crystals.

Typical applications

  • Textile dyeing
  • Paper & leather colouring
  • Inks & coatings
  • Dyes & pigments manufacture

Handling and storage

Reported physical data: melting point 215-220 °C. No GHS classification is recorded for this item, but handle it with normal laboratory care. For transport it ships as UN UN 3175.

Available as 250 mg, 1 g and 25 g. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Textile dyeing
  • Paper & leather colouring
  • Inks & coatings
  • Dyes & pigments manufacture

Applications

Electronics, PCB and SemiconductorsPaints, Coatings and InksTextiles, Dyes and Leather

Specifications and identifiers

Specifications of 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%
Product name4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%
Catalogue numberZX-017788
CAS number51325-91-8
IUPAC name2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile
Molecular formulaC19H17N3O
Molar mass303.4 g/mol
Exact mass303.1372
Purity / assay98%
Physical formCrystalline
AppearanceDark red to brown powder or crystals
Melting point215-220 °C
XLogP33.4
H-bond donors / acceptors0 / 4
Topological polar surface area60.1 Ų
HS code29420090
UN numberUN 3175
InChIKeyYLYPIBBGWLKELC-RMKNXTFCSA-N
SMILESCC1=CC(=C(C#N)C#N)C=C(O1)/C=C/C2=CC=C(C=C2)N(C)C
PubChem CID688222
SynonymsDCM, 4-(Dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran, DCM (dye), 4-Dicyanomethylene-6-(p-dimethylaminostyryl)-2-methyl-4H-pyran, (2-(p-(Dimethylamino)styryl)-6-methyl-4H-pyran-4-ylidene)malononitrile, (2-(2-(4-(Dimethylamino)phenyl)ethenyl)-6-methyl-4H-pyran-4-ylidene)-, (E)-, (2-(2-(4-(Dimethylamino)phenyl)ethenyl)-6-methyl-4H-pyran-4-ylidene)propanedinitrile, 4H-Pyran-delta4,alpha-malononitrile, 2-(p-dimethylaminostyryl)-6-methyl-, (2-{2-[4-(dimethylamino)phenyl]ethenyl}-6-methyl-4H-pyran-4-ylidene)malononitrile, (2-(2-(4-(dimethylamino)phenyl)ethenyl)-6-methyl-4H-pyran-4-ylidene)malononitrile, 4-(dicyanomethylene)-2-methyl-6-(p-(dimethylamino)styryl)-4h-pyran, DCM dye

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%
250 mgQuoted on request
1 gQuoted on request
25 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%

Which CAS number identifies 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%?
4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98% is registered under CAS 51325-91-8. You may also see it listed as DCM, 4-(Dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran, DCM (dye). Our catalogue number for this item is ZX-017788.
What are the formula and molar mass of 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%?
For 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%, its formula is C19H17N3O and its molar mass is 303.4 g/mol. The systematic (IUPAC) name is 2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile. InChIKey YLYPIBBGWLKELC-RMKNXTFCSA-N lets you match it in any structure database.
What grade and pack sizes are available for 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%?
This listing is 98% purity. Standard packs are 250 mg, 1 g, 25 g. Larger quantities and custom packing can be quoted on request.
Which documents come with 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98% to my country?
Yes. Because 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran, dye content 98% is classed as hazardous (UN 3175), it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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