CAS 51325-91-8|4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran

Introduction：Basic information about CAS 51325-91-8|4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
4. Safety Information
5. Customs
6. Articles16
7. Synonyms

Common Name	4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran
CAS Number	51325-91-8	Molecular Weight	303.358
Density	1.2±0.1 g/cm3	Boiling Point	446.9±45.0 °C at 760 mmHg
Molecular Formula	C₁₉H₁₇N₃O	Melting Point	215-220ºC (lit.)
MSDS	ChineseUSA	Flash Point	224.1±28.7 °C
Symbol	GHS02, GHS07	Signal Word	Danger

Names

Name	4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	446.9±45.0 °C at 760 mmHg
Melting Point	215-220ºC (lit.)
Molecular Formula	C₁₉H₁₇N₃O
Molecular Weight	303.358
Flash Point	224.1±28.7 °C
Exact Mass	303.137177
PSA	60.05000
LogP	1.69
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.689
InChIKey	YLYPIBBGWLKELC-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C#N)C#N)C=C(C=Cc2ccc(N(C)C)cc2)O1
Storage condition	Flammables area

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OO3746100

CHEMICAL NAME :: Malononitrile, (2-(p-(dimethylamino)styryl)-6-methyl-4H-pyran-4-ylid ene)-

CAS REGISTRY NUMBER :: 51325-91-8

LAST UPDATED :: 199706

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C19-H17-N3-O

MOLECULAR WEIGHT :: 303.39

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 1 ug/plate

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 7,511,1985

Safety Information

Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statements	H228-H315-H319-H332-H335
Precautionary Statements	P210-P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	F: Flammable;Xn: Harmful;
Risk Phrases	R10;R11;R20/21/22;R36/37/38
Safety Phrases	S16-S26-S36/37-S7/9
RIDADR	UN 3175
WGK Germany	3
RTECS	OO3746100
Packaging Group	III
Hazard Class	4.1
HS Code	2932999099

Customs

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles16

Microstructure, morphology, and ultrafast dynamics of a novel edible microemulsion.

Langmuir 28(22) , 8309-17, (2012)

An edible microemulsion (ME) composed of Tween 80/butyl lactate/isopropyl myristate (IPM)/water has been formulated. Pseudoternary phase diagram of the system contains a large single isotropic region....

Effect of ionic liquid on diffusion in P123 gel: fluorescence correlation spectroscopy.

ChemPhysChem 13(7) , 1942-8, (2012)

The effect of two room-temperature ionic liquids (RTILs) on the diffusion of three fluorescent dyes in the gel phase of a triblock copolymer, (PEO)(20)-(PPO)(70)-(PEO)(20) [Pluronic P123; poly ethylen...

Manipulation of spontaneous emission dynamics of organic dyes in the porous silicon matrix.

J. Fluoresc. 20(1) , 283-90, (2010)

The control of the spontaneous emission (SE) rate of dye molecules (4-dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4H-pyran (DCM) and Coumarin 523 (C523)) embedded in the Porous Silicon (PS) matr...

Synonyms

(2-(2-(4-(Dimethylamino)phenyl)ethenyl)-6-methyl-4H-pyran-4-ylidene)propanedinitrile

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

[2-[2-[4-(Dimethylamino)phenyl]ethenyl]-6-methyl-4H-pyran-4-ylidene]propanedinitrile

Malononitrile, (2-(p-(dimethylamino)styryl)-6-methyl-4H-pyran-4-ylidene)-

4-(DicyanoMethylene)-2-Methyl-6-(p-diMethylaminostyryl)-4H-Pyran,Laser Grade

(2-(2-(4-(Dimethylamino)phenyl)vinyl)-6-methyl-4H-pyran-4-ylidene)malononitrile

(2-(p-(Dimethylamino)styryl)-6-methyl-4H-pyran-4-ylidene)malononitrile

EINECS 257-137-6

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

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

MFCD00051341

2-[2-[2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile

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

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

(2-{(E)-2-[4-(Dimethylamino)phenyl]vinyl}-6-methyl-4H-pyran-4-ylidene)malononitrile

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

Propanedinitrile, (2-(2-(4-(dimethylamino)phenyl)ethenyl)-6-methyl-4H-pyran-4-ylidene)-

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