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4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran

4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran structure

CAS No:
51325-91-8
Formula:
C19H17N3O
Chemical Name:
4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran
Synonyms:
Propanedinitrile,2-[2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]-;Propanedinitrile,[2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]-;4H-Pyran-Δ4,α-malononitrile,2-(p-dimethylaminostyryl)-6-methyl-;2-[2-[2-[4-(Dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]propanedinitrile;DCM (dye);4-Dicyanomethylene-6-(p-dimethylaminostyryl)-2-methyl-4H-pyran;DCM 1;4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran;4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran;NK 3502;DCM-LC 6500;DCM 650;(4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran);142347-86-2;80892-60-0;83404-52-8
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

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Description

red/brown crystals

4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran is a dinitrile. It has a role as a fluorochrome.

4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran Basic Attributes

Molecular Weight：

303.36

Exact Mass：

303.36

EC Number：

257-137-6

UNII：

9S1WXC1ZGN

DSSTox ID：

DTXSID00242105

HScode：

2932999099

Characteristics

PSA：

XLogP3：

1.69

Appearance：

Dark red Powder or Crystalline Needles

Density：

1.239

Melting Point：

227 °C

Boiling Point：

446.9±45.0 °C at 760 mmHg

Flash Point：

110 °F

Refractive Index：

1.689

Storage Conditions：

Flammables area

Safety Information

Packing level：

III

Hazard category：

4.1

Transport codes：

UN 3175 4.1/PG 2

wgk germany：

hazard class code：

11-20-36/37/38-20/21/22-10

safety instructions：

16-26-36-7/9-36/37

RTECS Number：

OO3746100

Marks：

F,Xn

Precautionary statement(s)：

P210-P261-P305 + P351 + P338

Hazard Statements：

H228-H315-H319-H332-H335

GHS Classification：

|Warning|H228 (100%): Flammable solid [Danger Flammable solids]|P210, P240, P241, P261, P264, P271, P280, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P405, and P501|Aggregated GHS information provided by 40 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

MeSH Entry Terms：

4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran

4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran Use and Manufacturing

Uses

Laser dye.

Manufacturing Info：

Propanedinitrile, 2-[2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]-: ACTIVE

Computed Properties

Molecular Weight:303.4
XLogP3:3.4
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:3
Exact Mass:303.137162174
Monoisotopic Mass:303.137162174
Topological Polar Surface Area:60
Heavy Atom Count:23
Complexity:650
Defined Bond Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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CAS No.: 51325-91-8

Grade: Pharmaceutical Grade

Content: 99%

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Guide of 4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
Learn More Other Chemicals

4-(Dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran

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